309143628

Names of 309143628

• Cardinal: 309143628 can be written as Three hundred nine million, one hundred forty-three thousand, six hundred twenty-eight.

Scientific notation

• Scientific notation: 3.09143628 × 10⁸

Factors of 309143628

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 220

Divisors of 309143628

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 47 54 67 81 94 101 108 134 141 162 188 201 202 243 268 282 303 324 402 404 423 486 564 603 606 804 846 909 972 1206 1212 1269 1692 1809 1818 2412 2538 2727 3149 3618 3636 3807 4747 5076 5427 5454 6298 6767 7236 7614 8181 9447 9494 10854 10908 11421 12596 13534 14241 15228 16281 16362 18894 18988 20301 21708 22842 24543 27068 28341 28482 32562 32724 37788 40602 42723 45684 49086 56682 56964 60903 65124 81204 85023 85446 98172 113364 121806 128169 170046 170892 182709 243612 255069 256338 318049 340092 365418 384507 510138 512676 548127 636098 730836 765207 769014 954147 1020276 1096254 1153521 1272196 1530414 1538028 1644381 1908294 2192508 2307042 2862441 3060828 3288762 3816588 4614084 5724882 6577524 8587323 11449764 17174646 25761969 34349292 51523938 77285907 103047876 154571814 309143628
• Sum of all divisors σ(n): 848300544
• Sum of proper divisors (its aliquot sum) s(n): 539156916
• 309143628 is an abundant number, because the sum of its proper divisors (539156916) is greater than itself. Its abundance is 230013288

Bases of 309143628

• Binary: 10010011011010010100001001100₂
• Hexadecimal: 0x126D284C
• Base-36: 5420R0

Squares and roots of 309143628

• 309143628 squared (309143628²) is 95569782733002384
• 309143628 cubed (309143628³) is 29544789361252112322409152
• The square root of 309143628 is 17582.4807123455
• The cube root of 309143628 is 676.1661619011

Scales and comparisons

• 309,143,628 seconds is equal to 9 years, 43 weeks, 1 day, 1 hour, 13 minutes, 48 seconds.
• To count from 1 to 309,143,628 would take you about fourteen 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 309143628 cubic inches would be around 56.3 feet tall.

Recreational maths with 309143628

• 309143628 backwards is 826341903
• 309143628 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 309143628's digits is 36
• More coming soon!