71720809472

Names of 71720809472

• Cardinal: 71720809472 can be written as Seventy-one billion, seven hundred twenty million, eight hundred nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 7.1720809472 × 10¹⁰

Factors of 71720809472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 562

Divisors of 71720809472

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 4 8 13 16 23 26 32 37 46 52 64 74 92 104 128 148 169 184 208 256 296 299 338 368 416 481 487 512 592 598 676 736 832 851 962 974 1024 1184 1196 1352 1472 1664 1702 1924 1948 2368 2392 2704 2944 3328 3404 3848 3887 3896 4736 4784 5408 5888 6253 6331 6656 6808 7696 7774 7792 9472 9568 10816 11063 11201 11776 12506 12662 13312 13616 15392 15548 15584 18019 18944 19136 21632 22126 22402 23552 25012 25324 27232 30784 31096 31168 36038 37888 38272 43264 44252 44804 50024 50648 54464 61568 62192 62336 72076 76544 82303 86528 88504 89608 100048 101296 108928 123136 124384 124672 143819 144152 145613 153088 164606 173056 177008 179216 200096 202592 217856 234247 246272 248768 249344 287638 288304 291226 306176 329212 354016 358432 400192 405184 414437 435712 468494 492544 497536 498688 575276 576608 582452 658424 708032 716864 800384 810368 828874 871424 936988 995072 1150552 1153216 1164904 1316848 1416064 1433728 1600768 1620736 1657748 1873976 1892969 1990144 2301104 2306432 2329808 2633696 2832128 2867456 3045211 3201536 3241472 3315496 3747952 3785938 3980288 4602208 4612864 4659616 5267392 5387681 5664256 5734912 6090422 6403072 6482944 6630992 7495904 7571876 9204416 9225728 9319232 10534784 10775362 11328512 11469824 12180844 13261984 14991808 15143752 18408832 18451456 18638464 21069568 21550724 24361688 26523968 29983616 30287504 36817664 37276928 42139136 43101448 48723376 53047936 59967232 60575008 70039853 73635328 74553856 84278272 86202896 97446752 106095872 119934464 121150016 140079706 147270656 149107712 172405792 194893504 212191744 239868928 242300032 280159412 344811584 389787008 424383488 484600064 560318824 689623168 779574016 969200128 1120637648 1379246336 1559148032 1938400256 2241275296 2758492672 3118296064 4482550592 5516985344 8965101184 17930202368 35860404736 71720809472
• Sum of all divisors σ(n): 166718422656
• Sum of proper divisors (its aliquot sum) s(n): 94997613184
• 71720809472 is an abundant number, because the sum of its proper divisors (94997613184) is greater than itself. Its abundance is 23276803712

Bases of 71720809472

• Binary: 1000010110010111001001011010000000000₂
• Hexadecimal: 0x10B2E4B400
• Base-36: WY4PURK

Squares and roots of 71720809472

• 71720809472 squared (71720809472²) is 5143874511318924918784
• 71720809472 cubed (71720809472³) is 368922843774181721527980337922048
• The square root of 71720809472 is 267807.4111595869
• The cube root of 71720809472 is 4154.7834613219

Scales and comparisons

• 71,720,809,472 seconds is equal to 2,280 years, 25 weeks, 6 days, 23 hours, 4 minutes, 32 seconds.
• To count from 1 to 71,720,809,472 would take you about four thousand, five hundred sixty 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 71720809472 cubic inches would be around 346.2 feet tall.

Recreational maths with 71720809472

• 71720809472 backwards is 27490802717
• The number of decimal digits it has is: 11
• The sum of 71720809472's digits is 47
• More coming soon!