81629412480

Names of 81629412480

• Cardinal: 81629412480 can be written as Eighty-one billion, six hundred twenty-nine million, four hundred twelve thousand, four hundred eighty.

Scientific notation

• Scientific notation: 8.162941248 × 10¹⁰

Factors of 81629412480

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 136

Divisors of 81629412480

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 28 30 32 33 35 36 40 41 42 44 45 48 55 56 60 63 64 66 67 70 72 77 80 82 84 88 90 96 99 105 110 112 120 123 126 128 132 134 140 144 154 160 164 165 168 176 180 192 198 201 205 210 220 224 231 240 246 252 264 268 280 287 288 308 315 320 328 330 335 336 352 360 369 384 385 396 402 410 420 440 448 451 462 469 480 492 495 504 528 536 560 574 576 603 615 616 630 640 656 660 670 672 693 704 720 737 738 770 792 804 820 840 861 880 896 902 924 938 960 984 990 1005 1008 1056 1072 1120 1148 1152 1155 1206 1230 1232 1260 1312 1320 1340 1344 1353 1386 1407 1408 1435 1440 1474 1476 1540 1584 1608 1640 1680 1722 1760 1804 1845 1848 1876 1920 1968 1980 2010 2016 2112 2144 2211 2240 2255 2296 2310 2345 2412 2460 2464 2520 2583 2624 2640 2680 2688 2706 2747 2772 2814 2870 2880 2948 2952 3015 3080 3157 3168 3216 3280 3360 3444 3465 3520 3608 3685 3690 3696 3752 3936 3960 4020 4032 4059 4221 4224 4288 4305 4422 4480 4489 4510 4592 4620 4690 4824 4920 4928 5040 5159 5166 5248 5280 5360 5412 5494 5544 5628 5740 5760 5896 5904 6030 6160 6314 6336 6432 6560 6633 6720 6765 6888 6930 7035 7040 7216 7370 7380 7392 7504 7872 7920 8040 8064 8118 8241 8442 8576 8610 8844 8978 9020 9184 9240 9380 9471 9648 9840 9856 10080 10318 10332 10560 10720 10824 10988 11055 11088 11256 11480 11792 11808 12060 12320 12628 12672 12864 12915 13120 13266 13440 13467 13530 13735 13776 13860 14070 14432 14740 14760 14784 15008 15477 15744 15785 15840 16080 16236 16482 16884 17220 17688 17956 18040 18368 18480 18760 18942 19229 19296 19680 20160 20295 20636 20664 21105 21120 21440 21648 21976 22110 22176 22445 22512 22960 23584 23616 24120 24640 24723 25256 25728 25795 25830 26240 26532 26934 27060 27470 27552 27720 28140 28413 28864 29480 29520 29568 30016 30217 30954 31423 31570 31680 32160 32472 32964 33165 33768 34440 35376 35912 36080 36736 36960 37520 37884 38458 38592 39360 40320 40401 40590 41205 41272 41328 42210 42880 43296 43952 44220 44352 44890 45024 45920 46431 47168 47232 47355 48240 49280 49379 49446 50512 51590 51660 53064 53868 54120 54940 55104 55440 56280 56826 57687 57728 58960 59040 60032 60434 61908 62846 63140 63360 64320 64944 65928 66330 67335 67536 68880 70752 71824 72160 73920 75040 75768 76916 77184 77385 78720 80802 81180 82410 82544 82656 84420 86592 87904 88440 88704 89780 90048 90651 91840 92862 94269 94336 94710 96145 96480 98758 98892 101024 103180 103320 106128 107736 108240 109880 110208 110880 112560 113652 115374 117920 118080 120868 123615 123816 125692 126280 128640 129888 131856 132660 134670 135072 137760 141504 142065 143648 144320 147840 148137 150080 151085 151536 153832 154770 157115 161604 162360 164820 165088 165312 168840 173061 173184 175808 176880 179560 180096 181302 183680 184049 185724 188538 189420 192290 192960 197516 197784 202005 202048 206360 206640 211519 212256 215472 216480 219760 221760 225120 227304 230748 232155 235840 236160 241736 246895 247230 247632 251384 252560 259776 263712 265320 269340 270144 271953 275520 282807 283008 284130 287296 288435 288640 296274 300160 302170 303072 307664 309540 314230 323208 324720 329640 330176 330624 337680 345653 346122 351616 353760 359120 362604 368098 371448 377076 378840 384580 385920 395032 395568 404010 404096 412720 413280 423038 424512 430944 432960 439520 443520 444411 450240 453255 454608 461496 464310 471345 471680 483472 493790 494460 495264 502768 505120 519552 527424 530640 538680 540288 543906 551040 552147 565614 568260 574592 576870 592548 604340 606144 615328 619080 628460 634557 646416 649440 659280 660352 675360 691306 692244 707520 718240 725208 736196 740685 742896 754152 757680 769160 790064 791136 808020 825440 826560 846076 849024 861888 865305 865920 879040 888822 900480 906510 909216 920245 922992 928620 942690 966944 987580 988920 990528 1005536 1010240 1036959 1054848 1057595 1061280 1077360 1087812 1104294 1131228 1136520 1153740 1185096 1208680 1212288 1230656 1238160 1256920 1269114 1288343 1292832 1298880 1318560 1350720 1359765 1382612 1384488 1414035 1415040 1436480 1450416 1472392 1481370 1485792 1508304 1515360 1538320 1580128 1582272 1616040 1650880 1653120 1656441 1692152 1723776 1728265 1730610 1758080 1777644 1813020 1818432 1840490 1845984 1857240 1885380 1903671 1933888 1975160 1977840 1981056 2011072 2020480 2024539 2073918 2115190 2122560 2154720 2175624 2208588 2222055 2262456 2273040 2307480 2370192 2417360 2461312 2476320 2513840 2538228 2576686 2585664 2597760 2637120 2701440 2719530 2760735 2765224 2768976 2828070 2872960 2900832 2944784 2962740 2971584 3016608 3030720 3076640 3110877 3160256 3164544 3172785 3232080 3301760 3312882 3384304 3456530 3461220 3555288 3626040 3636864 3680980 3691968 3714480 3770760 3807342 3865029 3867776 3950320 3955680 4022144 4049078 4147836 4230380 4245120 4309440 4351248 4417176 4444110 4524912 4546080 4614960 4740384 4834720 4952640 5027680 5076456 5153372 5171328 5184795 5274240 5439060 5521470 5530448 5537952 5656140 5801664 5889568 5925480 5943168 6033216 6061440 6073617 6153280 6221754 6320512 6345570 6441715 6464160 6625764 6768608 6913060 6922440 7110576 7252080 7361960 7383936 7428960 7541520 7614684 7730058 7900640 7911360 8098156 8282205 8295672 8460760 8618880 8702496 8834352 8888220 9049824 9092160 9229920 9480768 9518355 9669440 9905280 10055360 10122695 10152912 10306744 10369590 10878120 11042940 11060896 11075904 11312280 11595087 11603328 11779136 11850960 12066432 12147234 12306560 12443508 12691140 12883430 12928320 13251528 13537216 13826120 13844880 14171773 14221152 14504160 14723920 14857920 15083040 15229368 15460116 15554385 15801280 15822720 16196312 16564410 16591344 16921520 17404992 17668704 17776440 18099648 18184320 18220851 18459840 18961536 19036710 19325145 19338880 20110720 20245390 20305824 20613488 20739180 21756240 22085880 22121792 22151808 22624560 23190174 23558272 23701920 24294468 24887016 25382280 25766860 25856640 26503056 27074432 27652240 27689760 28343546 28442304 29008320 29447840 29715840 30166080 30368085 30458736 30920232 31108770 31602560 32392624 33128820 33182688 33843040 34809984 35337408 35552880 36199296 36441702 36919680 38073420 38650290 40490780 40611648 41226976 41478360 42515319 43512480 44171760 44243584 45249120 46380348 47403840 48588936 49774032 50764560 51533720 53006112 55304480 55379520 56687092 56884608 57975435 58016640 58895680 60332160 60736170 60917472 61840464 62217540 64785248 66257640 66365376 67686080 70674816 70858865 71105760 72883404 76146840 77300580 80981560 81223296 82453952 82956720 85030638 87024960 88343520 90498240 91104255 92760696 94807680 97177872 99548064 101529120 103067440 106012224 110608960 110759040 113374184 115950870 117791360 121472340 121834944 123680928 124435080 127545957 129570496 132515280 132730752 135372160 141717730 142211520 145766808 152293680 154601160 161963120 164907904 165913440 170061276 174049920 176687040 180996480 182208510 185521392 194355744 199096128 203058240 206134880 212024448 212576595 221217920 226748368 231901740 242944680 243669888 247361856 248870160 255091914 259140992 265030560 283435460 284423040 291533616 304587360 309202320 323926240 331826880 340122552 353374080 364417020 371042784 388711488 398192256 406116480 412269760 425153190 453496736 463803480 485889360 494723712 497740320 510183828 530061120 566870920 583067232 609174720 618404640 637729785 647852480 663653760 680245104 728834040 742085568 777422976 824539520 850306380 906993472 927606960 971778720 995480640 1020367656 1060122240 1133741840 1166134464 1218349440 1236809280 1275459570 1295704960 1360490208 1457668080 1484171136 1700612760 1813986944 1855213920 1943557440 1990961280 2040735312 2267483680 2332268928 2473618560 2550919140 2720980416 2915336160 3401225520 3710427840 3887114880 4081470624 4534967360 5101838280 5441960832 5830672320 6802451040 7420855680 8162941248 9069934720 10203676560 11661344640 13604902080 16325882496 20407353120 27209804160 40814706240 81629412480
• Sum of all divisors σ(n): 365455359360
• Sum of proper divisors (its aliquot sum) s(n): 283825946880
• 81629412480 is an abundant number, because the sum of its proper divisors (283825946880) is greater than itself. Its abundance is 202196534400

Bases of 81629412480

• Binary: 1001100000001011111011111110010000000₂
• Hexadecimal: 0x13017DFC80
• Base-36: 11I01LS0

Squares and roots of 81629412480

• 81629412480 squared (81629412480²) is 6663360981829979750400
• 81629412480 cubed (81629412480³) is 543926242088937202275449044992000
• The square root of 81629412480 is 285708.6146408609
• The cube root of 81629412480 is 4337.9268429499

Scales and comparisons

• 81,629,412,480 seconds is equal to 2,595 years, 29 weeks, 1 day, 20 hours, 48 minutes.
• To count from 1 to 81,629,412,480 would take you about five thousand, one hundred ninety-one years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 81629412480 cubic inches would be around 361.5 feet tall.

Recreational maths with 81629412480

• 81629412480 backwards is 08421492618
• 81629412480 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81629412480's digits is 45
• More coming soon!