71439138816

Names of 71439138816

• Cardinal: 71439138816 can be written as Seventy-one billion, four hundred thirty-nine million, one hundred thirty-eight thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 7.1439138816 × 10¹⁰

Factors of 71439138816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 245

Divisors of 71439138816

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 103 128 137 192 206 256 274 309 384 411 412 512 548 618 768 822 824 1024 1096 1236 1536 1644 1648 2048 2192 2472 3072 3288 3296 4096 4384 4944 6144 6576 6592 8192 8768 9888 10609 12288 13152 13184 14111 16384 17536 19776 21218 24576 26304 26368 28222 31827 35072 39552 42333 42436 49152 52608 52736 56444 63654 70144 79104 84666 84872 105216 105472 112888 127308 140288 158208 169332 169744 210432 210944 225776 254616 280576 316416 338664 339488 420864 421888 451552 509232 561152 632832 677328 678976 841728 843776 903104 1018464 1122304 1265664 1354656 1357952 1453433 1683456 1687552 1806208 2036928 2244608 2531328 2709312 2715904 2906866 3366912 3612416 4073856 4360299 5062656 5418624 5431808 5813732 6733824 7224832 8147712 8720598 10837248 10863616 11627464 14449664 16295424 17441196 21674496 21727232 23254928 28899328 32590848 34882392 43348992 43454464 46509856 57798656 65181696 69764784 86697984 86908928 93019712 115597312 130363392 139529568 173395968 173817856 186039424 231194624 260726784 279059136 346791936 372078848 521453568 558118272 693583872 744157696 1116236544 1488315392 2232473088 2976630784 4464946176 5953261568 8929892352 11906523136 17859784704 23813046272 35719569408 71439138816
• Sum of all divisors σ(n): 193770144792
• Sum of proper divisors (its aliquot sum) s(n): 122331005976
• 71439138816 is an abundant number, because the sum of its proper divisors (122331005976) is greater than itself. Its abundance is 50891867160

Bases of 71439138816

• Binary: 1000010100010000110101100000000000000₂
• Hexadecimal: 0x10A21AC000
• Base-36: WTH0OAO

Squares and roots of 71439138816

• 71439138816 squared (71439138816²) is 5103550554771717881856
• 71439138816 cubed (71439138816³) is 364593256536810564952700271722496
• The square root of 71439138816 is 267281.0109528921
• The cube root of 71439138816 is 4149.3372690395

Scales and comparisons

• 71,439,138,816 seconds is equal to 2,271 years, 28 weeks, 1 day, 21 hours, 13 minutes, 36 seconds.
• To count from 1 to 71,439,138,816 would take you about four thousand, five hundred forty-three 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 71439138816 cubic inches would be around 345.8 feet tall.

Recreational maths with 71439138816

• 71439138816 backwards is 61883193417
• The number of decimal digits it has is: 11
• The sum of 71439138816's digits is 51
• More coming soon!