139409802

Names of 139409802

• Cardinal: 139409802 can be written as One hundred thirty-nine million, four hundred nine thousand, eight hundred two.

Scientific notation

• Scientific notation: 1.39409802 × 10⁸

Factors of 139409802

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 137

Divisors of 139409802

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 27 38 42 47 49 54 57 59 63 94 98 114 118 126 133 141 147 171 177 189 266 282 294 329 342 354 378 399 413 423 441 513 531 658 798 826 846 882 893 931 987 1026 1062 1121 1197 1239 1269 1323 1593 1786 1862 1974 2242 2303 2394 2478 2538 2646 2679 2773 2793 2891 2961 3186 3363 3591 3717 4606 5358 5546 5586 5782 5922 6251 6726 6909 7182 7434 7847 8037 8319 8379 8673 8883 10089 11151 12502 13818 15694 16074 16638 16758 17346 17766 18753 19411 20178 20727 22302 23541 24111 24957 25137 26019 30267 37506 38822 41454 43757 47082 48222 49914 50274 52038 52687 54929 56259 58233 60534 62181 70623 74871 78057 87514 105374 109858 112518 116466 124362 131271 135877 141246 149742 156114 158061 164787 168777 174699 211869 262542 271754 316122 329574 337554 349398 368809 393813 407631 423738 474183 494361 524097 737618 787626 815262 948366 988722 1048194 1106427 1181439 1222893 1422549 1483083 2212854 2362878 2445786 2581663 2845098 2966166 3319281 3668679 5163326 6638562 7337358 7744989 9957843 15489978 19915686 23234967 46469934 69704901 139409802
• Sum of all divisors σ(n): 393984000
• Sum of proper divisors (its aliquot sum) s(n): 254574198
• 139409802 is an abundant number, because the sum of its proper divisors (254574198) is greater than itself. Its abundance is 115164396

Bases of 139409802

• Binary: 1000010011110011100110001010₂
• Hexadecimal: 0x84F398A
• Base-36: 2B01AI

Squares and roots of 139409802

• 139409802 squared (139409802²) is 19435092893679204
• 139409802 cubed (139409802³) is 2709442452159424881157608
• The square root of 139409802 is 11807.1928077761
• The cube root of 139409802 is 518.5187158457

Scales and comparisons

• 139,409,802 seconds is equal to 4 years, 22 weeks, 3 days, 12 hours, 56 minutes, 42 seconds.
• To count from 1 to 139,409,802 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 139409802 cubic inches would be around 43.2 feet tall.

Recreational maths with 139409802

• 139409802 backwards is 208904931
• The number of decimal digits it has is: 9
• The sum of 139409802's digits is 36
• More coming soon!