12978593820

Names of 12978593820

• Cardinal: 12978593820 can be written as Twelve billion, nine hundred seventy-eight million, five hundred ninety-three thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.297859382 × 10¹⁰

Factors of 12978593820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10444

Divisors of 12978593820

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 3433 6866 7001 10299 13732 14002 17165 20598 21003 28004 30897 34330 35005 41196 42006 51495 61794 63009 68660 70010 84012 92691 102990 105015 123588 126018 140020 154485 185382 189027 205980 210030 252036 308970 315045 370764 378054 420060 463455 617940 630090 756108 926910 945135 1260180 1853820 1890270 3780540 24034433 48068866 72103299 96137732 120172165 144206598 216309897 240344330 288413196 360516495 432619794 480688660 648929691 721032990 865239588 1081549485 1297859382 1442065980 2163098970 2595718764 3244648455 4326197940 6489296910 12978593820
• Sum of all divisors σ(n): 40395378240
• Sum of proper divisors (its aliquot sum) s(n): 27416784420
• 12978593820 is an abundant number, because the sum of its proper divisors (27416784420) is greater than itself. Its abundance is 14438190600

Bases of 12978593820

• Binary: 1100000101100101011010000000011100₂
• Hexadecimal: 0x30595A01C
• Base-36: 5YN4B30

Squares and roots of 12978593820

• 12978593820 squared (12978593820²) is 168443897544542192400
• 12978593820 cubed (12978593820³) is 2186164927688308473011890968000
• The square root of 12978593820 is 113923.6315256847
• The cube root of 12978593820 is 2350.0433865537

Scales and comparisons

• 12,978,593,820 seconds is equal to 412 years, 35 weeks, 2 days, 4 hours, 57 minutes.
• To count from 1 to 12,978,593,820 would take you about eight hundred twenty-five 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 12978593820 cubic inches would be around 195.8 feet tall.

Recreational maths with 12978593820

• 12978593820 backwards is 02839587921
• 12978593820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12978593820's digits is 54
• More coming soon!