85121127792

Names of 85121127792

• Cardinal: 85121127792 can be written as Eighty-five billion, one hundred twenty-one million, one hundred twenty-seven thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 8.5121127792 × 10¹⁰

Factors of 85121127792

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 45750

Divisors of 85121127792

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 36 48 62 72 93 124 144 186 248 279 372 421 496 558 744 842 1116 1263 1488 1684 2232 2526 3368 3789 4464 5052 6736 7578 10104 13051 15156 20208 26102 30312 39153 45293 52204 60624 78306 90586 104408 117459 135879 156612 181172 208816 234918 271758 313224 362344 407637 469836 543516 626448 724688 815274 939672 1087032 1404083 1630548 1879344 2174064 2808166 3261096 4212249 5616332 6522192 8424498 11232664 12636747 16848996 19068353 22465328 25273494 33697992 38136706 50546988 57205059 67395984 76273412 101093976 114410118 152546824 171615177 202187952 228820236 305093648 343230354 457640472 591118943 686460708 915280944 1182237886 1372921416 1773356829 2364475772 2745842832 3546713658 4728951544 5320070487 7093427316 9457903088 10640140974 14186854632 21280281948 28373709264 42560563896 85121127792
• Sum of all divisors σ(n): 246495020928
• Sum of proper divisors (its aliquot sum) s(n): 161373893136
• 85121127792 is an abundant number, because the sum of its proper divisors (161373893136) is greater than itself. Its abundance is 76252765344

Bases of 85121127792

• Binary: 1001111010001100111010101010101110000₂
• Hexadecimal: 0x13D19D5570
• Base-36: 133QX6K0

Squares and roots of 85121127792

• 85121127792 squared (85121127792²) is 7245606396581994795264
• 85121127792 cubed (85121127792³) is 616754188013988610973945820377088
• The square root of 85121127792 is 291755.2532380519
• The cube root of 85121127792 is 4398.9172230975

Scales and comparisons

• 85,121,127,792 seconds is equal to 2,706 years, 30 weeks, 4 days, 5 hours, 43 minutes, 12 seconds.
• To count from 1 to 85,121,127,792 would take you about five thousand, four hundred thirteen 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 85121127792 cubic inches would be around 366.6 feet tall.

Recreational maths with 85121127792

• 85121127792 backwards is 29772112158
• The number of decimal digits it has is: 11
• The sum of 85121127792's digits is 45
• More coming soon!