130642944

Names of 130642944

• Cardinal: 130642944 can be written as One hundred thirty million, six hundred forty-two thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.30642944 × 10⁸

Factors of 130642944

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 71

Divisors of 130642944

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 3 4 6 8 12 16 23 24 32 43 46 48 64 69 86 92 96 128 129 138 172 184 192 256 258 276 344 368 384 512 516 552 688 736 768 989 1024 1032 1104 1376 1472 1536 1849 1978 2064 2208 2752 2944 2967 3072 3698 3956 4128 4416 5504 5547 5888 5934 7396 7912 8256 8832 11008 11094 11776 11868 14792 15824 16512 17664 22016 22188 23552 23736 29584 31648 33024 35328 42527 44032 44376 47472 59168 63296 66048 70656 85054 88752 94944 118336 126592 127581 132096 170108 177504 189888 236672 253184 255162 340216 355008 379776 473344 506368 510324 680432 710016 759552 946688 1012736 1020648 1360864 1420032 1519104 1893376 2041296 2721728 2840064 3038208 4082592 5443456 5680128 8165184 10886912 16330368 21773824 32660736 43547648 65321472 130642944
• Sum of all divisors σ(n): 371997216
• Sum of proper divisors (its aliquot sum) s(n): 241354272
• 130642944 is an abundant number, because the sum of its proper divisors (241354272) is greater than itself. Its abundance is 110711328

Bases of 130642944

• Binary: 111110010010111010000000000₂
• Hexadecimal: 0x7C97400
• Base-36: 25S4QO

Squares and roots of 130642944

• 130642944 squared (130642944²) is 17067578816987136
• 130642944 cubed (130642944³) is 2229758743603236657168384
• The square root of 130642944 is 11429.9144353753
• The cube root of 130642944 is 507.4134632069

Scales and comparisons

• 130,642,944 seconds is equal to 4 years, 8 weeks, 1 hour, 42 minutes, 24 seconds.
• To count from 1 to 130,642,944 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 130642944 cubic inches would be around 42.3 feet tall.

Recreational maths with 130642944

• 130642944 backwards is 449246031
• The number of decimal digits it has is: 9
• The sum of 130642944's digits is 33
• More coming soon!