72668621232

Names of 72668621232

• Cardinal: 72668621232 can be written as Seventy-two billion, six hundred sixty-eight million, six hundred twenty-one thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 7.2668621232 × 10¹⁰

Factors of 72668621232

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2197

Divisors of 72668621232

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 36 48 54 62 72 81 93 108 124 144 162 186 216 243 248 279 324 372 432 486 496 558 648 729 744 837 961 972 1116 1296 1458 1488 1674 1922 1944 2161 2187 2232 2511 2883 2916 3348 3844 3888 4322 4374 4464 5022 5766 5832 6483 6696 7533 7688 8644 8649 8748 10044 11532 11664 12966 13392 15066 15376 17288 17298 17496 19449 20088 22599 23064 25932 25947 30132 34576 34596 34992 38898 40176 45198 46128 51864 51894 58347 60264 66991 67797 69192 77796 77841 90396 103728 103788 116694 120528 133982 135594 138384 155592 155682 175041 180792 200973 207576 233388 233523 267964 271188 311184 311364 350082 361584 401946 415152 466776 467046 525123 535928 542376 602919 622728 700164 700569 803892 933552 934092 1050246 1071856 1084752 1205838 1245456 1400328 1401138 1575369 1607784 1808757 1868184 2076721 2100492 2101707 2411676 2800656 2802276 3150738 3215568 3617514 3736368 4153442 4200984 4203414 4726107 4823352 5426271 5604552 6230163 6301476 7235028 8306884 8401968 8406828 9452214 9646704 10852542 11209104 12460326 12602952 14470056 16278813 16613768 16813656 18690489 18904428 21705084 24920652 25205904 28940112 32557626 33227536 33627312 37380978 37808856 43410168 48836439 49841304 56071467 65115252 74761956 75617712 86820336 97672878 99682608 112142934 130230504 146509317 149523912 168214401 195345756 224285868 260461008 293018634 299047824 336428802 390691512 448571736 504643203 586037268 672857604 781383024 897143472 1009286406 1172074536 1345715208 1513929609 2018572812 2344149072 2691430416 3027859218 4037145624 4541788827 6055718436 8074291248 9083577654 12111436872 18167155308 24222873744 36334310616 72668621232
• Sum of all divisors σ(n): 218293334880
• Sum of proper divisors (its aliquot sum) s(n): 145624713648
• 72668621232 is an abundant number, because the sum of its proper divisors (145624713648) is greater than itself. Its abundance is 72956092416

Bases of 72668621232

• Binary: 1000011101011011000110010100110110000₂
• Hexadecimal: 0x10EB6329B0
• Base-36: XDT0R00

Squares and roots of 72668621232

• 72668621232 squared (72668621232²) is 5280728511759881197824
• 72668621232 cubed (72668621232³) is 383743260050101864497990718599168
• The square root of 72668621232 is 269571.1802697017
• The cube root of 72668621232 is 4173.0056566709

Scales and comparisons

• 72,668,621,232 seconds is equal to 2,310 years, 33 weeks, 1 day, 7 minutes, 12 seconds.
• To count from 1 to 72,668,621,232 would take you about four thousand, six hundred twenty-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 72668621232 cubic inches would be around 347.8 feet tall.

Recreational maths with 72668621232

• 72668621232 backwards is 23212686627
• The number of decimal digits it has is: 11
• The sum of 72668621232's digits is 45
• More coming soon!