20907165888

Names of 20907165888

• Cardinal: 20907165888 can be written as Twenty billion, nine hundred seven million, one hundred sixty-five thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 2.0907165888 × 10¹⁰

Factors of 20907165888

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 272942

Divisors of 20907165888

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 32 36 38 42 48 56 57 63 64 72 76 84 96 112 114 126 133 144 152 168 171 192 224 228 252 266 288 304 336 342 399 448 456 504 532 576 608 672 684 798 912 1008 1064 1197 1216 1344 1368 1596 1824 2016 2128 2394 2736 3192 3648 4032 4256 4788 5472 6384 8512 9576 10944 12768 19152 25536 38304 76608 272911 545822 818733 1091644 1637466 1910377 2183288 2456199 3274932 3820754 4366576 4912398 5185309 5731131 6549864 7641508 8733152 9824796 10370618 11462262 13099728 15283016 15555927 17193393 17466304 19649592 20741236 22924524 26199456 30566032 31111854 34386786 36297163 39299184 41482472 45849048 46667781 52398912 61132064 62223708 68773572 72594326 78598368 82964944 91698096 93335562 108891489 122264128 124447416 137547144 145188652 157196736 165929888 183396192 186671124 217782978 248894832 275094288 290377304 326674467 331859776 366792384 373342248 435565956 497789664 550188576 580754608 653348934 746684496 871131912 995579328 1100377152 1161509216 1306697868 1493368992 1742263824 2323018432 2613395736 2986737984 3484527648 5226791472 6969055296 10453582944 20907165888
• Sum of all divisors σ(n): 72092433920
• Sum of proper divisors (its aliquot sum) s(n): 51185268032
• 20907165888 is an abundant number, because the sum of its proper divisors (51185268032) is greater than itself. Its abundance is 30278102144

Bases of 20907165888

• Binary: 10011011110001010100000100011000000₂
• Hexadecimal: 0x4DE2A08C0
• Base-36: 9LRL4G0

Squares and roots of 20907165888

• 20907165888 squared (20907165888²) is 437109585468350828544
• 20907165888 cubed (20907165888³) is 9138722614621724946151653507072
• The square root of 20907165888 is 144593.1045658817
• The cube root of 20907165888 is 2754.8527380243

Scales and comparisons

• 20,907,165,888 seconds is equal to 664 years, 40 weeks, 5 days, 2 hours, 4 minutes, 48 seconds.
• To count from 1 to 20,907,165,888 would take you about one thousand, three hundred twenty-nine 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 20907165888 cubic inches would be around 229.6 feet tall.

Recreational maths with 20907165888

• 20907165888 backwards is 88856170902
• The number of decimal digits it has is: 11
• The sum of 20907165888's digits is 54
• More coming soon!