420009156

Names of 420009156

• Cardinal: 420009156 can be written as Four hundred twenty million, nine thousand, one hundred fifty-six.

Scientific notation

• Scientific notation: 4.20009156 × 10⁸

Factors of 420009156

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 469

Divisors of 420009156

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 61 63 84 89 122 126 178 183 244 252 267 307 356 366 427 534 549 614 623 732 801 854 921 1068 1098 1228 1246 1281 1602 1708 1842 1869 2149 2196 2492 2562 2763 3204 3684 3738 3843 4298 5124 5429 5526 5607 6447 7476 7686 8596 10858 11052 11214 12894 15372 16287 18727 19341 21716 22428 25788 27323 32574 37454 38003 38682 48861 54646 56181 65148 74908 76006 77364 81969 97722 109292 112362 114009 131089 152012 163938 168543 191261 195444 224724 228018 245907 262178 327876 337086 342027 382522 393267 456036 491814 524356 573783 674172 684054 765044 786534 983628 1147566 1179801 1368108 1573068 1666703 1721349 2295132 2359602 3333406 3442698 4719204 5000109 6666812 6885396 10000218 11666921 15000327 20000436 23333842 30000654 35000763 46667684 60001308 70001526 105002289 140003052 210004578 420009156
• Sum of all divisors σ(n): 1251169920
• Sum of proper divisors (its aliquot sum) s(n): 831160764
• 420009156 is an abundant number, because the sum of its proper divisors (831160764) is greater than itself. Its abundance is 411151608

Bases of 420009156

• Binary: 11001000010001101010011000100₂
• Hexadecimal: 0x1908D4C4
• Base-36: 6Y2950

Squares and roots of 420009156

• 420009156 squared (420009156²) is 176407691123832336
• 420009156 cubed (420009156³) is 74092845460829510928868416
• The square root of 420009156 is 20494.1249142285
• The cube root of 420009156 is 748.8926805963

Scales and comparisons

• 420,009,156 seconds is equal to 13 years, 18 weeks, 3 days, 5 hours, 12 minutes, 36 seconds.
• To count from 1 to 420,009,156 would take you about twenty 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 420009156 cubic inches would be around 62.4 feet tall.

Recreational maths with 420009156

• 420009156 backwards is 651900024
• The number of decimal digits it has is: 9
• The sum of 420009156's digits is 27
• More coming soon!