157838844520

Names of 157838844520

• Cardinal: 157838844520 can be written as One hundred fifty-seven billion, eight hundred thirty-eight million, eight hundred forty-four thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.5783884452 × 10¹¹

Factors of 157838844520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1339414

Divisors of 157838844520

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 421 842 1684 2105 2947 3368 4210 5894 8420 11788 14735 16840 23576 29470 58940 117880 1338979 2677958 5355916 6694895 9372853 10711832 13389790 18745706 26779580 37491412 46864265 53559160 74982824 93728530 187457060 374914120 563710159 1127420318 2254840636 2818550795 3945971113 4509681272 5637101590 7891942226 11274203180 15783884452 19729855565 22548406360 31567768904 39459711130 78919422260 157838844520
• Sum of all divisors σ(n): 406835683200
• Sum of proper divisors (its aliquot sum) s(n): 248996838680
• 157838844520 is an abundant number, because the sum of its proper divisors (248996838680) is greater than itself. Its abundance is 91157994160

Bases of 157838844520

• Binary: 10010010111111111011011010001001101000₂
• Hexadecimal: 0x24BFEDA268
• Base-36: 20ID67VS

Squares and roots of 157838844520

• 157838844520 squared (157838844520²) is 24913100839408734030400
• 157838844520 cubed (157838844520³) is 3932255049902516659354338553408000
• The square root of 157838844520 is 397289.3712648251
• The cube root of 157838844520 is 5404.2815211757

Scales and comparisons

• 157,838,844,520 seconds is equal to 5,018 years, 40 weeks, 6 days, 11 hours, 28 minutes, 40 seconds.
• To count from 1 to 157,838,844,520 would take you about ten thousand and thirty-seven 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 157838844520 cubic inches would be around 450.4 feet tall.

Recreational maths with 157838844520

• 157838844520 backwards is 025448838751
• The number of decimal digits it has is: 12
• The sum of 157838844520's digits is 55
• More coming soon!