1421551872

Names of 1421551872

• Cardinal: 1421551872 can be written as One billion, four hundred twenty-one million, five hundred fifty-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.421551872 × 10⁹

Factors of 1421551872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1580

Divisors of 1421551872

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 31 32 36 39 48 52 62 64 72 78 93 96 104 117 124 128 144 156 186 192 208 234 248 256 279 288 312 372 384 403 416 468 496 558 576 624 744 768 806 832 936 992 1116 1152 1209 1248 1488 1531 1612 1664 1872 1984 2232 2304 2418 2496 2976 3062 3224 3328 3627 3744 3968 4464 4593 4836 4992 5952 6124 6448 7254 7488 7936 8928 9186 9672 9984 11904 12248 12896 13779 14508 14976 17856 18372 19344 19903 23808 24496 25792 27558 29016 29952 35712 36744 38688 39806 47461 48992 51584 55116 58032 59709 71424 73488 77376 79612 94922 97984 103168 110232 116064 119418 142383 146976 154752 159224 179127 189844 195968 220464 232128 238836 284766 293952 309504 318448 358254 379688 391936 427149 440928 464256 477672 569532 587904 616993 636896 716508 759376 854298 881856 928512 955344 1139064 1175808 1233986 1273792 1433016 1518752 1708596 1763712 1850979 1910688 2278128 2467972 2547584 2866032 3037504 3417192 3527424 3701958 3821376 4556256 4935944 5095168 5552937 5732064 6075008 6834384 7403916 7642752 9112512 9871888 11105874 11464128 12150016 13668768 14807832 15285504 18225024 19743776 22211748 22928256 27337536 29615664 36450048 39487552 44423496 45856512 54675072 59231328 78975104 88846992 109350144 118462656 157950208 177693984 236925312 355387968 473850624 710775936 1421551872
• Sum of all divisors σ(n): 4559330048
• Sum of proper divisors (its aliquot sum) s(n): 3137778176
• 1421551872 is an abundant number, because the sum of its proper divisors (3137778176) is greater than itself. Its abundance is 1716226304

Bases of 1421551872

• Binary: 1010100101110110010100100000000₂
• Hexadecimal: 0x54BB2900
• Base-36: NICSG0

Squares and roots of 1421551872

• 1421551872 squared (1421551872²) is 2020809724786704384
• 1421551872 cubed (1421551872³) is 2872685847226344417785806848
• The square root of 1421551872 is 37703.4729434837
• The cube root of 1421551872 is 1124.4001732785

Scales and comparisons

• 1,421,551,872 seconds is equal to 45 years, 10 weeks, 3 days, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 1,421,551,872 would take you about ninety 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 1421551872 cubic inches would be around 93.7 feet tall.

Recreational maths with 1421551872

• 1421551872 backwards is 2781551241
• 1421551872 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1421551872's digits is 36
• More coming soon!