85438321664

Names of 85438321664

• Cardinal: 85438321664 can be written as Eighty-five billion, four hundred thirty-eight million, three hundred twenty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 8.5438321664 × 10¹⁰

Factors of 85438321664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 634

Divisors of 85438321664

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 4 8 16 32 41 61 64 73 82 122 128 146 164 244 256 292 328 457 488 512 584 656 914 976 1024 1168 1312 1828 1952 2336 2501 2624 2993 3656 3904 4453 4672 5002 5248 5986 7312 7808 8906 9344 10004 10496 11972 14624 15616 17812 18688 18737 20008 20992 23944 27877 29248 31232 33361 35624 37376 37474 40016 41984 47888 55754 58496 62464 66722 71248 74752 74948 80032 95776 111508 116992 133444 142496 149896 160064 182573 191552 223016 233984 266888 284992 299792 320128 365146 383104 446032 467968 533776 569984 599584 640256 730292 766208 892064 1067552 1139968 1142957 1199168 1280512 1367801 1460584 1532416 1784128 2035021 2135104 2279936 2285914 2398336 2561024 2735602 2921168 3064832 3568256 4070042 4270208 4559872 4571828 4796672 5471204 5842336 7136512 8140084 8540416 9143656 9593344 10942408 11684672 14273024 16280168 17080832 18287312 19186688 21884816 23369344 28546048 32560336 34161664 36574624 43769632 46738688 65120672 73149248 83435861 87539264 93477376 130241344 146298496 166871722 175078528 186954752 260482688 292596992 333743444 350157056 520965376 585193984 667486888 700314112 1041930752 1170387968 1334973776 1400628224 2083861504 2669947552 5339895104 10679790208 21359580416 42719160832 85438321664
• Sum of all divisors σ(n): 180657510096
• Sum of proper divisors (its aliquot sum) s(n): 95219188432
• 85438321664 is an abundant number, because the sum of its proper divisors (95219188432) is greater than itself. Its abundance is 9780866768

Bases of 85438321664

• Binary: 1001111100100100001010101010000000000₂
• Hexadecimal: 0x13E4855400
• Base-36: 138ZRQWW

Squares and roots of 85438321664

• 85438321664 squared (85438321664²) is 7299706808761131728896
• 85438321664 cubed (85438321664³) is 623674698379824505994092891602944
• The square root of 85438321664 is 292298.3435875063
• The cube root of 85438321664 is 4404.3744660075

Scales and comparisons

• 85,438,321,664 seconds is equal to 2,716 years, 35 weeks, 11 hours, 7 minutes, 44 seconds.
• To count from 1 to 85,438,321,664 would take you about five thousand, four hundred thirty-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 85438321664 cubic inches would be around 367 feet tall.

Recreational maths with 85438321664

• 85438321664 backwards is 46612383458
• The number of decimal digits it has is: 11
• The sum of 85438321664's digits is 50
• More coming soon!