135149840

Names of 135149840

• Cardinal: 135149840 can be written as One hundred thirty-five million, one hundred forty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3514984 × 10⁸

Factors of 135149840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1536

Divisors of 135149840

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 23 28 35 40 46 49 56 70 80 92 98 112 115 140 161 184 196 230 245 280 322 368 392 460 490 560 644 784 805 920 980 1127 1288 1499 1610 1840 1960 2254 2576 2998 3220 3920 4508 5635 5996 6440 7495 9016 10493 11270 11992 12880 14990 18032 20986 22540 23984 29980 34477 41972 45080 52465 59960 68954 73451 83944 90160 104930 119920 137908 146902 167888 172385 209860 241339 275816 293804 344770 367255 419720 482678 551632 587608 689540 734510 839440 965356 1175216 1206695 1379080 1469020 1689373 1930712 2413390 2758160 2938040 3378746 3861424 4826780 5876080 6757492 8446865 9653560 13514984 16893730 19307120 27029968 33787460 67574920 135149840
• Sum of all divisors σ(n): 381672000
• Sum of proper divisors (its aliquot sum) s(n): 246522160
• 135149840 is an abundant number, because the sum of its proper divisors (246522160) is greater than itself. Its abundance is 111372320

Bases of 135149840

• Binary: 1000000011100011100100010000₂
• Hexadecimal: 0x80E3910
• Base-36: 28GQA8

Squares and roots of 135149840

• 135149840 squared (135149840²) is 18265479252025600
• 135149840 cubed (135149840³) is 2468576598434579515904000
• The square root of 135149840 is 11625.3963373297
• The cube root of 135149840 is 513.1825084905

Scales and comparisons

• 135,149,840 seconds is equal to 4 years, 15 weeks, 3 days, 5 hours, 37 minutes, 20 seconds.
• To count from 1 to 135,149,840 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 135149840 cubic inches would be around 42.8 feet tall.

Recreational maths with 135149840

• 135149840 backwards is 048941531
• 135149840 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 135149840's digits is 35
• More coming soon!