72321564672

Names of 72321564672

• Cardinal: 72321564672 can be written as Seventy-two billion, three hundred twenty-one million, five hundred sixty-four thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 7.2321564672 × 10¹⁰

Factors of 72321564672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 726

Divisors of 72321564672

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 53 56 63 64 72 84 96 106 112 126 128 144 159 168 192 212 224 252 256 288 318 336 371 384 424 448 477 504 512 576 636 661 672 742 768 848 896 954 1008 1024 1113 1152 1272 1322 1344 1484 1536 1696 1792 1908 1983 2016 2048 2226 2304 2544 2644 2688 2968 3072 3339 3392 3584 3816 3966 4032 4096 4452 4608 4627 5088 5288 5376 5936 5949 6144 6678 6784 7168 7632 7932 8064 8192 8904 9216 9254 10176 10576 10752 11872 11898 12288 13356 13568 13881 14336 15264 15864 16128 16384 17808 18432 18508 20352 21152 21504 23744 23796 24576 26712 27136 27762 28672 30528 31728 32256 32768 35033 35616 36864 37016 40704 41643 42304 43008 47488 47592 49152 53424 54272 55524 57344 61056 63456 64512 70066 71232 73728 74032 81408 83286 84608 86016 94976 95184 98304 105099 106848 108544 111048 114688 122112 126912 129024 140132 142464 147456 148064 162816 166572 169216 172032 189952 190368 210198 213696 217088 222096 229376 244224 245231 253824 258048 280264 284928 294912 296128 315297 325632 333144 338432 344064 379904 380736 420396 427392 434176 444192 488448 490462 507648 516096 560528 569856 592256 630594 651264 666288 676864 688128 735693 759808 761472 840792 854784 868352 888384 976896 980924 1015296 1032192 1121056 1139712 1184512 1261188 1302528 1332576 1353728 1471386 1519616 1522944 1681584 1709568 1736704 1776768 1953792 1961848 2030592 2064384 2207079 2242112 2279424 2369024 2522376 2605056 2665152 2707456 2942772 3039232 3045888 3363168 3419136 3553536 3907584 3923696 4061184 4414158 4484224 4558848 4738048 5044752 5210112 5330304 5414912 5885544 6078464 6091776 6726336 6838272 7107072 7815168 7847392 8122368 8828316 8968448 9117696 9476096 10089504 10660608 10829824 11771088 12156928 12183552 13452672 13676544 14214144 15630336 15694784 16244736 17656632 17936896 18235392 18952192 20179008 21321216 21659648 23542176 24367104 26905344 27353088 28428288 31389568 32489472 35313264 35873792 36470784 37904384 40358016 42642432 47084352 48734208 53810688 54706176 56856576 62779136 64978944 70626528 71747584 75808768 80716032 85284864 94168704 97468416 107621376 109412352 113713152 125558272 141253056 143495168 151617536 161432064 170569728 188337408 194936832 215242752 227426304 251116544 282506112 286990336 322864128 341139456 376674816 430485504 454852608 502233088 565012224 573980672 645728256 682278912 753349632 860971008 1004466176 1130024448 1147961344 1291456512 1364557824 1506699264 1721942016 2008932352 2260048896 2582913024 3013398528 3443884032 4017864704 4520097792 5165826048 6026797056 8035729408 9040195584 10331652096 12053594112 18080391168 24107188224 36160782336 72321564672
• Sum of all divisors σ(n): 243645498720
• Sum of proper divisors (its aliquot sum) s(n): 171323934048
• 72321564672 is an abundant number, because the sum of its proper divisors (171323934048) is greater than itself. Its abundance is 99002369376

Bases of 72321564672

• Binary: 1000011010110101100111000000000000000₂
• Hexadecimal: 0x10D6B38000
• Base-36: X82E4G0

Squares and roots of 72321564672

• 72321564672 squared (72321564672²) is 5230408716606278467584
• 72321564672 cubed (72321564672³) is 378271342259033488554617311592448
• The square root of 72321564672 is 268926.6901443589
• The cube root of 72321564672 is 4166.3517956861

Scales and comparisons

• 72,321,564,672 seconds is equal to 2,299 years, 31 weeks, 2 days, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 72,321,564,672 would take you about four thousand, five hundred ninety-nine 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 72321564672 cubic inches would be around 347.2 feet tall.

Recreational maths with 72321564672

• 72321564672 backwards is 27646512327
• The number of decimal digits it has is: 11
• The sum of 72321564672's digits is 45
• More coming soon!