8155117040

Names of 8155117040

• Cardinal: 8155117040 can be written as Eight billion, one hundred fifty-five million, one hundred seventeen thousand and forty.

Scientific notation

• Scientific notation: 8.15511704 × 10⁹

Factors of 8155117040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 16522

Divisors of 8155117040

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 127 140 196 245 254 280 392 490 508 560 635 784 889 980 1016 1270 1778 1960 2032 2540 3556 3920 4445 5080 6223 7112 8890 10160 12446 14224 16381 17780 24892 31115 32762 35560 49784 62230 65524 71120 81905 99568 114667 124460 131048 163810 229334 248920 262096 327620 458668 497840 573335 655240 802669 917336 1146670 1310480 1605338 1834672 2080387 2293340 3210676 4013345 4160774 4586680 6421352 8026690 8321548 9173360 10401935 12842704 14562709 16053380 16643096 20803870 29125418 32106760 33286192 41607740 58250836 64213520 72813545 83215480 101938963 116501672 145627090 166430960 203877926 233003344 291254180 407755852 509694815 582508360 815511704 1019389630 1165016720 1631023408 2038779260 4077558520 8155117040
• Sum of all divisors σ(n): 22231291392
• Sum of proper divisors (its aliquot sum) s(n): 14076174352
• 8155117040 is an abundant number, because the sum of its proper divisors (14076174352) is greater than itself. Its abundance is 5921057312

Bases of 8155117040

• Binary: 111100110000101010011010111110000₂
• Hexadecimal: 0x1E61535F0
• Base-36: 3QVCGKW

Squares and roots of 8155117040

• 8155117040 squared (8155117040²) is 66505933936098361600
• 8155117040 cubed (8155117040³) is 542363675103390019800241664000
• The square root of 8155117040 is 90305.6866426473
• The cube root of 8155117040 is 2012.8437623233

Scales and comparisons

• 8,155,117,040 seconds is equal to 259 years, 15 weeks, 6 days, 22 hours, 17 minutes, 20 seconds.
• To count from 1 to 8,155,117,040 would take you about five hundred eighteen 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 8155117040 cubic inches would be around 167.7 feet tall.

Recreational maths with 8155117040

• 8155117040 backwards is 0407115518
• The number of decimal digits it has is: 10
• The sum of 8155117040's digits is 32
• More coming soon!