72491728896

Names of 72491728896

• Cardinal: 72491728896 can be written as Seventy-two billion, four hundred ninety-one million, seven hundred twenty-eight thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 7.2491728896 × 10¹⁰

Factors of 72491728896

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 25
• Sum of prime factors: 574

Divisors of 72491728896

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 512 569 576 648 768 864 972 1024 1138 1152 1296 1536 1707 1728 1944 2048 2276 2304 2592 3072 3414 3456 3888 4096 4552 4608 5121 5184 6144 6828 6912 7776 8192 9104 9216 10242 10368 12288 13656 13824 15363 15552 16384 18208 18432 20484 20736 24576 27312 27648 30726 31104 32768 36416 36864 40968 41472 46089 49152 54624 55296 61452 62208 65536 72832 73728 81936 82944 92178 98304 109248 110592 122904 124416 131072 138267 145664 147456 163872 165888 184356 196608 218496 221184 245808 248832 262144 276534 291328 294912 327744 331776 368712 393216 436992 442368 491616 497664 524288 553068 582656 589824 655488 663552 737424 786432 873984 884736 983232 995328 1106136 1165312 1179648 1310976 1327104 1474848 1572864 1747968 1769472 1966464 1990656 2212272 2330624 2359296 2621952 2654208 2949696 3495936 3538944 3932928 3981312 4424544 4661248 4718592 5243904 5308416 5899392 6991872 7077888 7865856 7962624 8849088 9322496 10487808 10616832 11798784 13983744 14155776 15731712 15925248 17698176 18644992 20975616 21233664 23597568 27967488 31463424 31850496 35396352 37289984 41951232 42467328 47195136 55934976 62926848 63700992 70792704 74579968 83902464 94390272 111869952 125853696 127401984 141585408 149159936 167804928 188780544 223739904 251707392 283170816 298319872 335609856 377561088 447479808 503414784 566341632 671219712 755122176 894959616 1006829568 1132683264 1342439424 1510244352 2013659136 2265366528 2684878848 3020488704 4027318272 4530733056 6040977408 8054636544 9061466112 12081954816 18122932224 24163909632 36245864448 72491728896
• Sum of all divisors σ(n): 217558341000
• Sum of proper divisors (its aliquot sum) s(n): 145066612104
• 72491728896 is an abundant number, because the sum of its proper divisors (145066612104) is greater than itself. Its abundance is 72574883208

Bases of 72491728896

• Binary: 1000011100000110110000000000000000000₂
• Hexadecimal: 0x10E0D80000
• Base-36: XAVPC00

Squares and roots of 72491728896

• 72491728896 squared (72491728896²) is 5255050758331161378816
• 72491728896 cubed (72491728896³) is 380947714907661764061955029467136
• The square root of 72491728896 is 269242.8808641001
• The cube root of 72491728896 is 4169.6168831815

Scales and comparisons

• 72,491,728,896 seconds is equal to 2,305 years, 4 days, 15 hours, 21 minutes, 36 seconds.
• To count from 1 to 72,491,728,896 would take you about four thousand, six hundred ten 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 72491728896 cubic inches would be around 347.5 feet tall.

Recreational maths with 72491728896

• 72491728896 backwards is 69882719427
• The number of decimal digits it has is: 11
• The sum of 72491728896's digits is 63
• More coming soon!