72997566642

Names of 72997566642

• Cardinal: 72997566642 can be written as Seventy-two billion, nine hundred ninety-seven million, five hundred sixty-six thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 7.2997566642 × 10¹⁰

Factors of 72997566642

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1054

Divisors of 72997566642

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 11 13 14 18 21 22 26 33 39 42 49 63 66 77 78 89 91 98 99 117 126 143 147 154 178 182 198 231 234 267 273 286 294 343 429 441 462 534 539 546 623 637 686 693 801 819 858 882 929 979 1001 1029 1078 1157 1246 1274 1287 1386 1602 1617 1638 1858 1869 1911 1958 2002 2058 2314 2574 2787 2937 3003 3087 3234 3471 3738 3773 3822 4361 4459 4851 5574 5607 5733 5874 6006 6174 6503 6853 6942 7007 7546 8099 8361 8722 8811 8918 9009 9702 10219 10413 11214 11319 11466 12077 12727 13006 13083 13377 13706 14014 16198 16722 17622 18018 19509 20438 20559 20826 21021 22638 24154 24297 25454 26166 26754 30527 30657 33957 36231 38181 39018 39249 40131 41118 42042 45521 47971 48594 49049 56693 58527 61054 61314 61677 63063 67914 71533 72462 72891 76362 78498 80262 82681 84539 89089 91042 91581 91971 95942 98098 108693 113386 114543 117054 123354 126126 132847 136563 143066 143913 145782 147147 165362 169078 170079 178178 183162 183942 214599 217386 229086 248043 253617 265694 267267 273126 274743 287826 294294 318647 335797 340158 396851 398541 409689 429198 431739 441441 496086 500731 507234 510237 534534 549486 578767 591773 623623 637294 643797 671594 744129 760851 793702 797082 801801 819378 863478 882882 909491 929929 955941 1001462 1007391 1020474 1074853 1157534 1183546 1190553 1195623 1247246 1287594 1488258 1502193 1521702 1603602 1736301 1775319 1818982 1859858 1870869 1911882 2014782 2149706 2381106 2391246 2728473 2789787 2867823 3004386 3022173 3224559 3472602 3505117 3550638 3571659 3741738 4051369 4142411 4365361 4506579 5208903 5325957 5456946 5579574 5612607 5735646 6044346 6366437 6449118 6509503 7010234 7143318 7523971 8102738 8185419 8284822 8369361 8730722 9013158 9673677 10417806 10515351 10651914 11225214 11823383 12154107 12427233 12732874 13019006 13096083 15047942 16370838 16738722 19099311 19347354 19528509 21030702 22571913 23646766 24308214 24854466 26192166 28359583 31546053 35470149 36462321 37281699 38198622 39057018 39288249 44565059 45143826 45566521 52667797 56719166 57297933 58585527 63092106 67715739 70940298 72924642 74563398 78576498 82763681 85078749 89130118 91133042 105335594 106410447 114595866 117171054 133695177 135431478 136699563 158003391 165527362 170157498 212820894 248291043 255236247 267390354 273399126 311955413 316006782 368674579 401085531 410098689 474010173 496582086 510472494 579345767 623910826 737349158 744873129 802171062 820197378 935866239 948020346 1106023737 1158691534 1489746258 1738037301 1871732478 2212047474 2807598717 3318071211 3476074602 4055420369 5214111903 5615197434 6636142422 8110840738 10428223806 12166261107 24332522214 36498783321 72997566642
• Sum of all divisors σ(n): 219360960000
• Sum of proper divisors (its aliquot sum) s(n): 146363393358
• 72997566642 is an abundant number, because the sum of its proper divisors (146363393358) is greater than itself. Its abundance is 73365826716

Bases of 72997566642

• Binary: 1000011111110111111100111100010110010₂
• Hexadecimal: 0x10FEFE78B2
• Base-36: XJ8V6WI

Squares and roots of 72997566642

• 72997566642 squared (72997566642²) is 5328644735653231156164
• 72997566642 cubed (72997566642³) is 388978099202389214724712299081288
• The square root of 72997566642 is 270180.6185535891
• The cube root of 72997566642 is 4179.2927582923

Scales and comparisons

• 72,997,566,642 seconds is equal to 2,321 years, 5 weeks, 5 hours, 50 minutes, 42 seconds.
• To count from 1 to 72,997,566,642 would take you about four thousand, six hundred forty-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 72997566642 cubic inches would be around 348.3 feet tall.

Recreational maths with 72997566642

• 72997566642 backwards is 24666579927
• 72997566642 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72997566642's digits is 63
• More coming soon!