72421268480

Names of 72421268480

• Cardinal: 72421268480 can be written as Seventy-two billion, four hundred twenty-one million, two hundred sixty-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 7.242126848 × 10¹⁰

Factors of 72421268480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 186

Divisors of 72421268480

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 29 32 40 44 55 58 64 80 88 110 116 121 128 139 145 160 176 220 232 242 256 278 290 319 320 352 440 464 484 512 556 580 605 638 640 695 704 841 880 928 968 1024 1112 1160 1210 1276 1280 1390 1408 1529 1595 1682 1760 1856 1936 2224 2320 2420 2552 2560 2780 2816 3058 3190 3364 3509 3520 3712 3872 4031 4205 4448 4640 4840 5104 5120 5560 5632 6116 6380 6728 7018 7040 7424 7645 7744 8062 8410 8896 9251 9280 9680 10208 11120 11264 12232 12760 13456 14036 14080 14848 15290 15488 16124 16819 16820 17545 17792 18502 18560 19360 20155 20416 22240 24464 25520 26912 28072 28160 29696 30580 30976 32248 33638 33640 35090 35584 37004 37120 38720 40310 40832 44341 44480 46255 48928 51040 53824 56144 56320 61160 61952 64496 67276 67280 70180 71168 74008 74240 77440 80620 81664 84095 88682 88960 92510 97856 101761 102080 107648 112288 116899 122320 123904 128992 134552 134560 140360 142336 148016 148480 154880 161240 163328 168190 177364 177920 185020 195712 203522 204160 215296 221705 224576 233798 244640 257984 269104 269120 280720 296032 309760 322480 326656 336380 354728 355840 370040 391424 407044 408320 430592 443410 449152 467596 487751 489280 508805 515968 538208 538240 561440 584495 592064 619520 644960 672760 709456 711680 740080 782848 814088 816640 861184 886820 898304 935192 975502 978560 1017610 1031936 1076416 1076480 1122880 1168990 1184128 1285889 1289920 1345520 1418912 1480160 1565696 1628176 1633280 1773640 1796608 1870384 1951004 1957120 2035220 2063872 2152832 2152960 2245760 2337980 2368256 2438755 2571778 2579840 2691040 2837824 2960320 3256352 3547280 3593216 3740768 3902008 3914240 4070440 4127744 4305664 4305920 4491520 4675960 4736512 4877510 5143556 5159680 5382080 5675648 5920640 6429445 6512704 7094560 7481536 7804016 7828480 8140880 8611328 8983040 9351920 9473024 9755020 10287112 10319360 10764160 11351296 11841280 12858890 13025408 14144779 14189120 14963072 15608032 16281760 17222656 17966080 18703840 19510040 20574224 20638720 21528320 22702592 23682560 25717780 26050816 28289558 28378240 29926144 31216064 32563520 37407680 39020080 41148448 43056640 45405184 47365120 51435560 52101632 56579116 56756480 59852288 62432128 65127040 70723895 74815360 78040160 82296896 86113280 102871120 104203264 113158232 113512960 119704576 124864256 130254080 141447790 149630720 156080320 164593792 205742240 226316464 227025920 249728512 260508160 282895580 299261440 312160640 329187584 411484480 452632928 499457024 521016320 565791160 598522880 624321280 658375168 822968960 905265856 1131582320 1248642560 1316750336 1645937920 1810531712 2263164640 2497285120 3291875840 3621063424 4526329280 6583751680 7242126848 9052658560 14484253696 18105317120 36210634240 72421268480
• Sum of all divisors σ(n): 199189721640
• Sum of proper divisors (its aliquot sum) s(n): 126768453160
• 72421268480 is an abundant number, because the sum of its proper divisors (126768453160) is greater than itself. Its abundance is 54347184680

Bases of 72421268480

• Binary: 1000011011100101001001101110000000000₂
• Hexadecimal: 0x10DCA4DC00
• Base-36: X9PR4E8

Squares and roots of 72421268480

• 72421268480 squared (72421268480²) is 5244840128252241510400
• 72421268480 cubed (72421268480³) is 379837975062833215586479112192000
• The square root of 72421268480 is 269111.9998810905
• The cube root of 72421268480 is 4168.2655189963

Scales and comparisons

• 72,421,268,480 seconds is equal to 2,302 years, 40 weeks, 1 day, 3 hours, 1 minute, 20 seconds.
• To count from 1 to 72,421,268,480 would take you about four thousand, six hundred five 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 72421268480 cubic inches would be around 347.4 feet tall.

Recreational maths with 72421268480

• 72421268480 backwards is 08486212427
• 72421268480 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72421268480's digits is 44
• More coming soon!