13157225748

Names of 13157225748

• Cardinal: 13157225748 can be written as Thirteen billion, one hundred fifty-seven million, two hundred twenty-five thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 1.3157225748 × 10¹⁰

Factors of 13157225748

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3959

Divisors of 13157225748

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 317 634 951 1268 1902 2853 3637 3804 5706 7274 10911 11412 14548 21822 32733 43644 65466 100489 130932 200978 301467 401956 602934 904401 1152929 1205868 1808802 2305858 3458787 3617604 4611716 6917574 10376361 13835148 20752722 41505444 365478493 730956986 1096435479 1461913972 2192870958 3289306437 4385741916 6578612874 13157225748
• Sum of all divisors σ(n): 33372963806
• Sum of proper divisors (its aliquot sum) s(n): 20215738058
• 13157225748 is an abundant number, because the sum of its proper divisors (20215738058) is greater than itself. Its abundance is 7058512310

Bases of 13157225748

• Binary: 1100010000001110110101010100010100₂
• Hexadecimal: 0x3103B5514
• Base-36: 61LH0D0

Squares and roots of 13157225748

• 13157225748 squared (13157225748²) is 173112589383834159504
• 13157225748 cubed (13157225748³) is 2277681418343934258387967708992
• The square root of 13157225748 is 114704.9508434575
• The cube root of 13157225748 is 2360.7759674235

Scales and comparisons

• 13,157,225,748 seconds is equal to 418 years, 18 weeks, 4 days, 16 hours, 55 minutes, 48 seconds.
• To count from 1 to 13,157,225,748 would take you about eight hundred thirty-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 13157225748 cubic inches would be around 196.7 feet tall.

Recreational maths with 13157225748

• 13157225748 backwards is 84752275131
• The number of decimal digits it has is: 11
• The sum of 13157225748's digits is 45
• More coming soon!