85321139758396808

Names of 85321139758396808

• Cardinal: 85321139758396808 can be written as Eighty-five quadrillion, three hundred twenty-one trillion, one hundred thirty-nine billion, seven hundred fifty-eight million, three hundred ninety-six thousand, eight hundred eight.

Scientific notation

• Scientific notation: 8.5321139758396808 × 10¹⁶

Factors of 85321139758396808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 33633662

Divisors of 85321139758396808

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 28 43 56 86 172 301 344 602 1204 2408 1088723 2177446 4354892 7621061 8709784 15242122 30484244 32544887 46815089 60968488 65089774 93630178 130179548 187260356 227814209 260359096 327705623 374520712 455628418 655411246 911256836 1310822492 1399430141 1822513672 2621644984 2798860282 5597720564 9796010987 11195441128 19592021974 39184043948 78368087896 35432367009301 70864734018602 141729468037204 248026569065107 283458936074408 496053138130214 992106276260428 1523591781399943 1984212552520856 3047183562799886 6094367125599772 10665142469799601 12188734251199544 21330284939599202 42660569879198404 85321139758396808
• Sum of all divisors σ(n): 187083075394575360
• Sum of proper divisors (its aliquot sum) s(n): 101761935636178552
• 85321139758396808 is an abundant number, because the sum of its proper divisors (101761935636178552) is greater than itself. Its abundance is 16440795877781744

Bases of 85321139758396808

• Binary: 100101111000111110001111111100011001000010111010110001000₂
• Hexadecimal: 0x12F1F1FE3217588
• Base-36: NC3TIHXLOQW

Squares and roots of 85321139758396808

• 85321139758396808 squared (85321139758396808²) is 7279696889671880520214342384588864
• 85321139758396808 cubed (85321139758396808³) is 621112035722461066591282570277034663487398849946112
• The square root of 85321139758396808 is 292097825.6653013979
• The cube root of 85321139758396808 is 440235.9955738477

Scales and comparisons

• 85,321,139,758,396,808 seconds is equal to 2,712,948,328 years, 36 weeks, 4 days, 2 hours, 40 minutes, 8 seconds.
• To count from 1 to 85,321,139,758,396,808 would take you about eight billion, one hundred thirty-eight million, eight hundred forty-four thousand, nine hundred eighty-six 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 85321139758396808 cubic inches would be around 36686.3 feet tall.

Recreational maths with 85321139758396808

• 85321139758396808 backwards is 80869385793112358
• 85321139758396808 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 85321139758396808's digits is 86
• More coming soon!