72845684640

Names of 72845684640

• Cardinal: 72845684640 can be written as Seventy-two billion, eight hundred forty-five million, six hundred eighty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.284568464 × 10¹⁰

Factors of 72845684640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 115

Divisors of 72845684640

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 27 29 30 32 36 40 45 46 48 53 54 58 60 69 72 80 81 87 90 92 96 106 108 115 116 120 135 138 144 145 159 160 162 174 180 184 207 212 216 230 232 240 243 261 265 270 276 288 290 318 324 345 348 360 368 405 414 424 432 435 460 464 477 480 486 522 530 540 552 580 621 636 648 667 690 696 720 736 783 795 810 828 848 864 870 920 928 954 972 1035 1044 1060 1080 1104 1160 1215 1219 1242 1272 1296 1305 1334 1380 1392 1431 1440 1537 1566 1590 1620 1656 1696 1740 1840 1863 1908 1944 2001 2070 2088 2120 2160 2208 2320 2349 2385 2430 2438 2484 2544 2592 2610 2668 2760 2784 2809 2862 3074 3105 3132 3180 3240 3312 3335 3480 3657 3680 3726 3816 3888 3915 4002 4140 4176 4240 4293 4320 4611 4640 4698 4770 4860 4876 4968 5088 5220 5336 5520 5589 5618 5724 6003 6095 6148 6210 6264 6360 6480 6624 6670 6960 7047 7155 7314 7452 7632 7685 7776 7830 8004 8280 8352 8427 8480 8586 9222 9315 9396 9540 9720 9752 9936 10005 10440 10672 10971 11040 11178 11236 11448 11745 12006 12190 12296 12420 12528 12720 12879 12960 13340 13833 13920 14045 14094 14310 14628 14904 15264 15370 15660 16008 16560 16854 17172 18009 18285 18444 18630 18792 19080 19440 19504 19872 20010 20880 21344 21465 21942 22356 22472 22896 23055 23490 24012 24380 24592 24840 25056 25281 25440 25758 26680 27666 27945 28090 28188 28620 29256 29808 30015 30740 31320 32016 32913 33120 33708 34344 35235 35351 36018 36570 36888 37260 37584 38160 38880 39008 40020 41499 41760 42135 42930 43884 44712 44944 45792 46110 46980 48024 48760 49184 49680 50562 51516 53360 54027 54855 55332 55890 56180 56376 57240 58512 59616 60030 61480 62640 64032 64395 64607 65826 67416 68688 69165 70470 70702 72036 73140 73776 74520 75168 75843 76320 80040 81461 82998 84270 85860 87768 89424 89888 90045 92220 93960 96048 97520 98739 99360 101124 103032 106053 106720 108054 109710 110664 111780 112360 112752 114480 117024 120060 122960 124497 125280 126405 128790 129214 131652 134832 137376 138330 140940 141404 144072 146280 147552 149040 151686 160080 162081 162922 164565 165996 168540 171720 175536 176755 178848 180090 184440 187920 192096 193821 195040 197478 202248 206064 207495 212106 216108 219420 221328 223560 224720 225504 227529 228960 240120 244383 245920 248994 252810 257580 258428 263304 269664 270135 276660 281880 282808 288144 292560 296217 298080 303372 318159 320160 323035 324162 325844 329130 331992 337080 343440 351072 353510 360180 368880 373491 375840 379215 387642 394956 404496 407305 412128 414990 424212 432216 438840 442656 447120 449440 455058 480240 488766 493695 497988 505620 515160 516856 526608 530265 540270 553320 563760 565616 576288 581463 585120 592434 606744 622485 636318 646070 648324 651688 658260 663984 674160 682587 686880 707020 720360 733149 737760 746982 758430 775284 789912 808992 810405 814610 829980 848424 864432 877680 894240 910116 954477 960480 969105 977532 987390 995976 1011240 1030320 1033712 1053216 1060530 1080540 1106640 1127520 1131232 1137645 1162926 1184868 1213488 1221915 1244970 1272636 1292140 1296648 1303376 1316520 1327968 1348320 1365174 1414040 1440720 1466298 1481085 1493964 1516860 1550568 1579824 1590795 1620810 1629220 1659960 1696848 1728864 1744389 1755360 1820232 1867455 1873603 1908954 1938210 1955064 1974780 1991952 2022480 2060640 2067424 2121060 2161080 2199447 2213280 2275290 2325852 2369736 2426976 2443830 2489940 2545272 2584280 2593296 2606752 2633040 2730348 2828080 2863431 2881440 2907315 2932596 2962170 2987928 3033720 3101136 3159648 3181590 3241620 3258440 3319920 3393696 3412935 3488778 3640464 3665745 3734910 3747206 3817908 3876420 3910128 3949560 3983904 4044960 4242120 4322160 4398894 4550580 4651704 4739472 4772385 4887660 4979880 5090544 5168560 5186592 5233167 5266080 5460696 5620809 5656160 5726862 5814630 5865192 5924340 5975856 6067440 6202272 6363180 6483240 6516880 6598341 6639840 6825870 6977556 7280928 7331490 7469820 7494412 7635816 7752840 7820256 7899120 8484240 8590293 8644320 8721945 8797788 9101160 9303408 9368015 9478944 9544770 9775320 9959760 10181088 10337120 10466334 10921392 10997235 11241618 11453724 11629260 11730384 11848680 11951712 12134880 12726360 12966480 13033760 13196682 13651740 13955112 14317155 14662980 14939640 14988824 15271632 15505680 15699501 15798240 16862427 16968480 17180586 17443890 17595576 18202320 18606816 18736030 19089540 19550640 19795023 19919520 20932668 21842784 21994470 22483236 22907448 23258520 23460768 23697360 25452720 25932960 26165835 26393364 27303480 27910224 28104045 28634310 29325960 29879280 29977648 30543264 31011360 31399002 32991705 33724854 34361172 34887780 35191152 36404640 37472060 38179080 39101280 39590046 41865336 42951465 43988940 44966472 45814896 46517040 47394720 50587281 50905440 52331670 52786728 54606960 55820448 56208090 57268620 58651920 59758560 59955296 62798004 65983410 67449708 68722344 69775560 70382304 74944120 76358160 78497505 79180092 83730672 84312135 85902930 87977880 89932944 91629792 93034080 98975115 101174562 104663340 105573456 109213920 112416180 114537240 117303840 125596008 131966820 134899416 137444688 139551120 149888240 151761843 152716320 156995010 158360184 167461344 168624270 171805860 175955760 179865888 197950230 202349124 209326680 211146912 224832360 229074480 251192016 252936405 263933640 269798832 274889376 279102240 299776480 303523686 313990020 316720368 337248540 343611720 351911520 395900460 404698248 418653360 449664720 455285529 458148960 502384032 505872810 527867280 539597664 607047372 627980040 633440736 674497080 687223440 758809215 791800920 809396496 837306720 899329440 910571058 1011745620 1055734560 1214094744 1255960080 1348994160 1374446880 1517618430 1583601840 1618792992 1821142116 2023491240 2276427645 2428189488 2511920160 2697988320 3035236860 3167203680 3642284232 4046982480 4552855290 4856378976 6070473720 7284568464 8093964960 9105710580 12140947440 14569136928 18211421160 24281894880 36422842320 72845684640
• Sum of all divisors σ(n): 283626645120
• Sum of proper divisors (its aliquot sum) s(n): 210780960480
• 72845684640 is an abundant number, because the sum of its proper divisors (210780960480) is greater than itself. Its abundance is 137935275840

Bases of 72845684640

• Binary: 1000011110101111100001110111110100000₂
• Hexadecimal: 0x10F5F0EFA0
• Base-36: XGQFU00

Squares and roots of 72845684640

• 72845684640 squared (72845684640²) is 5306493770670331929600
• 72845684640 cubed (72845684640³) is 386555171762375481147764281344000
• The square root of 72845684640 is 269899.3972575707
• The cube root of 72845684640 is 4176.3922045429

Scales and comparisons

• 72,845,684,640 seconds is equal to 2,316 years, 13 weeks, 6 days, 8 hours, 24 minutes.
• To count from 1 to 72,845,684,640 would take you about four thousand, six hundred thirty-two 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 72845684640 cubic inches would be around 348 feet tall.

Recreational maths with 72845684640

• 72845684640 backwards is 04648654827
• 72845684640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72845684640's digits is 54
• More coming soon!