72978104672

Names of 72978104672

• Cardinal: 72978104672 can be written as Seventy-two billion, nine hundred seventy-eight million, one hundred four thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 7.2978104672 × 10¹⁰

Factors of 72978104672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 422

Divisors of 72978104672

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 11 16 22 29 32 44 58 73 88 116 121 146 176 232 242 292 307 319 352 464 484 584 614 638 803 841 928 968 1168 1228 1276 1606 1682 1936 2117 2336 2456 2552 3212 3364 3377 3509 3872 4234 4912 5104 6424 6728 6754 7018 8468 8833 8903 9251 9824 10208 12848 13456 13508 14036 16936 17666 17806 18502 22411 23287 25696 26912 27016 28072 33872 35332 35612 37004 37147 44822 46574 54032 56144 61393 67744 70664 71224 74008 74294 89644 93148 97933 101761 108064 112288 122786 141328 142448 148016 148588 179288 186296 195866 203522 245572 246521 256157 258187 282656 284896 296032 297176 358576 372592 391732 407044 491144 493042 512314 516374 594352 649919 675323 717152 745184 783464 814088 982288 986084 1024628 1032748 1077263 1188704 1299838 1350646 1566928 1628176 1964576 1972168 2049256 2065496 2154526 2599676 2701292 2711731 2840057 3133856 3256352 3944336 4098512 4130992 4309052 5199352 5402584 5423462 5680114 7149109 7428553 7888672 8197024 8261984 8618104 10398704 10805168 10846924 11360228 14298218 14857106 17236208 18847651 20797408 21610336 21693848 22720456 28596436 29714212 31240627 34472416 37695302 43387696 45440912 57192872 59428424 62481254 75390604 78640199 86775392 90881824 114385744 118856848 124962508 150781208 157280398 207324161 228771488 237713696 249925016 301562416 314560796 414648322 499850032 603124832 629121592 829296644 999700064 1258243184 1658593288 2280565771 2516486368 3317186576 4561131542 6634373152 9122263084 18244526168 36489052336 72978104672
• Sum of all divisors σ(n): 166338500328
• Sum of proper divisors (its aliquot sum) s(n): 93360395656
• 72978104672 is an abundant number, because the sum of its proper divisors (93360395656) is greater than itself. Its abundance is 20382290984

Bases of 72978104672

• Binary: 1000011111101110101011000000101100000₂
• Hexadecimal: 0x10FDD58160
• Base-36: XIXA1Y8

Squares and roots of 72978104672

• 72978104672 squared (72978104672²) is 5325803761517388227584
• 72978104672 cubed (72978104672³) is 388667064370547283620685709672448
• The square root of 72978104672 is 270144.5995610499
• The cube root of 72978104672 is 4178.9213098383

Scales and comparisons

• 72,978,104,672 seconds is equal to 2,320 years, 24 weeks, 5 days, 23 hours, 44 minutes, 32 seconds.
• To count from 1 to 72,978,104,672 would take you about four thousand, six hundred forty 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 72978104672 cubic inches would be around 348.2 feet tall.

Recreational maths with 72978104672

• 72978104672 backwards is 27640187927
• The number of decimal digits it has is: 11
• The sum of 72978104672's digits is 53
• More coming soon!