81712500480

Names of 81712500480

• Cardinal: 81712500480 can be written as Eighty-one billion, seven hundred twelve million, five hundred thousand, four hundred eighty.

Scientific notation

• Scientific notation: 8.171250048 × 10¹⁰

Factors of 81712500480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 89

Divisors of 81712500480

• Number of divisors d(n): 972
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 19 20 24 26 30 32 36 38 39 40 45 47 48 52 57 60 64 65 72 76 78 80 90 94 95 96 104 114 117 120 128 130 141 144 152 156 160 169 171 180 188 190 192 195 208 228 234 235 240 247 256 260 282 285 288 304 312 320 338 342 360 376 380 384 390 416 423 456 468 470 480 494 507 520 564 570 576 585 608 611 624 640 676 684 705 720 741 752 760 768 780 832 845 846 855 893 912 936 940 960 988 1014 1040 1128 1140 1152 1170 1216 1222 1235 1248 1280 1352 1368 1410 1440 1482 1504 1520 1521 1560 1664 1690 1692 1710 1786 1824 1833 1872 1880 1920 1976 2028 2080 2115 2209 2223 2256 2280 2304 2340 2432 2444 2470 2496 2535 2679 2704 2736 2820 2880 2964 3008 3040 3042 3055 3120 3211 3328 3380 3384 3420 3572 3648 3666 3705 3744 3760 3840 3952 4056 4160 4230 4418 4446 4465 4512 4560 4680 4864 4888 4940 4992 5070 5358 5408 5472 5499 5640 5760 5928 6016 6080 6084 6110 6240 6422 6627 6760 6768 6840 7144 7296 7332 7410 7488 7520 7605 7904 7943 8037 8112 8320 8460 8836 8892 8930 9024 9120 9165 9360 9633 9776 9880 9984 10140 10716 10816 10944 10998 11045 11115 11280 11520 11609 11856 12032 12160 12168 12220 12480 12844 13254 13395 13520 13536 13680 14288 14592 14664 14820 14976 15040 15210 15808 15886 16055 16074 16224 16640 16920 17672 17784 17860 18048 18240 18330 18720 19266 19552 19760 19881 20280 21432 21632 21888 21996 22090 22230 22560 23218 23712 23829 24320 24336 24440 24960 25688 26508 26790 27040 27072 27360 27495 28576 28717 28899 29328 29640 29952 30080 30420 31616 31772 32110 32148 32448 33135 33840 34827 35344 35568 35720 36096 36480 36660 37440 38532 39104 39520 39715 39762 40185 40560 41971 42864 43264 43776 43992 44180 44460 45120 46436 47424 47658 48165 48672 48880 49920 51376 53016 53580 54080 54144 54720 54990 57152 57434 57798 58045 58656 59280 60160 60840 63232 63544 64220 64296 64896 66270 67680 69654 70688 71136 71440 71487 72960 73320 74880 77064 78208 79040 79430 79524 80370 81120 83942 85728 86151 87984 88360 88920 90240 92872 94848 95316 96330 97344 97760 99405 102752 104481 106032 107160 108160 108288 109440 109980 114304 114868 115596 116090 117312 118560 119145 121680 125913 127088 128440 128592 129792 132540 135360 139308 141376 142272 142880 142974 143585 144495 146640 149760 150917 154128 156416 158080 158860 159048 160740 162240 167884 171456 172302 174135 175968 176720 177840 180480 185744 189696 190632 192660 194688 195520 198810 205504 208962 209855 212064 214320 216320 218880 219960 228608 229736 231192 232180 234624 237120 238290 243360 251826 254176 256880 257184 258453 265080 270720 278616 282752 284544 285760 285948 287170 288990 293280 301834 308256 316160 317720 318096 321480 324480 335768 342912 344604 348270 351936 353440 355680 357435 371488 373321 377739 381264 385320 389376 391040 397620 411008 417924 419710 424128 428640 430755 439920 452751 459472 462384 464360 469248 474240 476580 486720 503652 508352 513760 514368 516906 522405 530160 541440 545623 557232 565504 569088 571520 571896 574340 577980 586560 603668 616512 629565 635440 636192 642960 648960 671536 685824 689208 696540 703872 706880 711360 714870 742976 746642 754585 755478 762528 770640 782080 795240 822016 835848 839420 848256 857280 861510 879840 905502 918944 924768 928720 948480 953160 973440 1007304 1016704 1027520 1028736 1033812 1044810 1060320 1091246 1114464 1119963 1143040 1143792 1148680 1155960 1173120 1207336 1233024 1259130 1270880 1272384 1285920 1292265 1343072 1358253 1378416 1393080 1407744 1413760 1422720 1429740 1485952 1493284 1509170 1510956 1525056 1541280 1590480 1636869 1671696 1678840 1696512 1714560 1723020 1759680 1811004 1837888 1849536 1857440 1866605 1888695 1906320 1946880 2014608 2033408 2055040 2057472 2067624 2089620 2120640 2182492 2228928 2239926 2263755 2287584 2297360 2311920 2346240 2414672 2466048 2518260 2541760 2544768 2571840 2584530 2686144 2716506 2728115 2756832 2786160 2827520 2845440 2859480 2971904 2986568 3018340 3021912 3050112 3082560 3180960 3273738 3343392 3357680 3359889 3429120 3446040 3519360 3622008 3675776 3699072 3714880 3733210 3777390 3812640 4029216 4110080 4135248 4179240 4241280 4364984 4457856 4479852 4527510 4575168 4594720 4623840 4829344 4910607 5036520 5083520 5089536 5143680 5169060 5372288 5433012 5456230 5513664 5572320 5599815 5718960 5973136 6036680 6043824 6100224 6165120 6361920 6547476 6686784 6715360 6719778 6791265 6892080 7038720 7093099 7244016 7351552 7398144 7429760 7466420 7554780 7625280 8058432 8184345 8270496 8358480 8482560 8729968 8915712 8959704 9055020 9150336 9189440 9247680 9658688 9821214 10073040 10167040 10287360 10338120 10744576 10866024 10912460 11027328 11144640 11199630 11437920 11946272 12073360 12087648 12330240 12723840 13094952 13373568 13430720 13439556 13582530 13784160 14186198 14488032 14859520 14932840 15109560 15250560 16116864 16368690 16540992 16716960 16799445 17459936 17919408 18110040 18300672 18378880 18495360 19317376 19642428 20146080 20676240 21279297 21732048 21824920 22054656 22289280 22399260 22875840 23892544 24146720 24175296 24553035 25447680 26189904 26747136 26861440 26879112 27165060 27568320 28372396 28976064 29865680 30219120 30501120 32233728 32737380 33081984 33433920 33598890 34919872 35465495 35838816 36220080 36757760 36990720 38634752 39284856 40292160 41352480 42558594 43464096 43649840 44578560 44798520 45751680 47785088 48293440 48350592 49106070 52379808 53722880 53758224 54330120 55136640 56744792 57952128 59731360 60438240 63837891 65474760 66163968 66867840 67197780 69839744 70930990 71677632 72440160 78569712 80584320 82704960 85117188 86928192 87299680 89597040 91503360 95570176 96586880 96701184 98212140 104759616 106396485 107516448 108660240 110273280 113489584 115904256 119462720 120876480 127675782 130949520 133735680 134395560 139679488 141861980 143355264 144880320 157139424 161168640 165409920 170234376 173856384 174599360 179194080 193173760 196424280 209519232 212792970 215032896 217320480 226979168 238925440 241752960 255351564 261899040 268791120 283723960 286710528 289760640 314278848 319189455 330819840 340468752 347712768 349198720 358388160 392848560 419038464 425585940 430065792 434640960 453958336 477850880 483505920 510703128 523798080 537582240 567447920 579521280 628557696 638378910 680937504 698397440 716776320 785697120 851171880 860131584 869281920 907916672 1021406256 1047596160 1075164480 1134895840 1257115392 1276757820 1361875008 1433552640 1571394240 1702343760 1738563840 1815833344 2042812512 2095192320 2150328960 2269791680 2553515640 2723750016 3142788480 3404687520 4085625024 4300657920 4539583360 5107031280 5447500032 6285576960 6809375040 8171250048 9079166720 10214062560 13618750080 16342500096 20428125120 27237500160 40856250240 81712500480
• Sum of all divisors σ(n): 329251791960
• Sum of proper divisors (its aliquot sum) s(n): 247539291480
• 81712500480 is an abundant number, because the sum of its proper divisors (247539291480) is greater than itself. Its abundance is 165826791000

Bases of 81712500480

• Binary: 1001100000110011100011100111100000000₂
• Hexadecimal: 0x130671CF00
• Base-36: 11JDIGW0

Squares and roots of 81712500480

• 81712500480 squared (81712500480²) is 6676932734694000230400
• 81712500480 cubed (81712500480³) is 545588869288611206479680110592000
• The square root of 81712500480 is 285853.9845445573
• The cube root of 81712500480 is 4339.3981567559

Scales and comparisons

• 81,712,500,480 seconds is equal to 2,598 years, 10 weeks, 4 days, 12 hours, 48 minutes.
• To count from 1 to 81,712,500,480 would take you about five thousand, one hundred ninety-six 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 81712500480 cubic inches would be around 361.6 feet tall.

Recreational maths with 81712500480

• 81712500480 backwards is 08400521718
• 81712500480 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81712500480's digits is 36
• More coming soon!