135561972

Names of 135561972

• Cardinal: 135561972 can be written as One hundred thirty-five million, five hundred sixty-one thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.35561972 × 10⁸

Factors of 135561972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2955

Divisors of 135561972

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 21 26 28 39 42 43 52 78 84 86 91 129 156 172 182 258 273 301 364 516 546 559 602 903 1092 1118 1204 1677 1806 2236 2887 3354 3612 3913 5774 6708 7826 8661 11548 11739 15652 17322 20209 23478 34644 37531 40418 46956 60627 75062 80836 112593 121254 124141 150124 225186 242508 248282 262717 372423 450372 496564 525434 744846 788151 868987 1050868 1489692 1576302 1613833 1737974 2606961 3152604 3227666 3475948 4841499 5213922 6455332 9682998 10427844 11296831 19365996 22593662 33890493 45187324 67780986 135561972
• Sum of all divisors σ(n): 398497792
• Sum of proper divisors (its aliquot sum) s(n): 262935820
• 135561972 is an abundant number, because the sum of its proper divisors (262935820) is greater than itself. Its abundance is 127373848

Bases of 135561972

• Binary: 1000000101001000001011110100₂
• Hexadecimal: 0x81482F4
• Base-36: 28PKAC

Squares and roots of 135561972

• 135561972 squared (135561972²) is 18377048252528784
• 135561972 cubed (135561972³) is 2491228900651955945802048
• The square root of 135561972 is 11643.1083478597
• The cube root of 135561972 is 513.7036197555

Scales and comparisons

• 135,561,972 seconds is equal to 4 years, 16 weeks, 1 day, 6 minutes, 12 seconds.
• To count from 1 to 135,561,972 would take you about 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 135561972 cubic inches would be around 42.8 feet tall.

Recreational maths with 135561972

• 135561972 backwards is 279165531
• 135561972 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 135561972's digits is 39
• More coming soon!