1681689555

Names of 1681689555

• Cardinal: 1681689555 can be written as One billion, six hundred eighty-one million, six hundred eighty-nine thousand, five hundred fifty-five.

Scientific notation

• Scientific notation: 1.681689555 × 10⁹

Factors of 1681689555

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 74

Divisors of 1681689555

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 9 13 15 17 21 29 35 39 45 49 51 63 65 85 87 91 105 117 119 145 147 153 195 203 221 245 255 261 273 289 315 343 357 377 435 441 455 493 585 595 609 637 663 735 765 819 833 867 1015 1029 1071 1105 1131 1305 1365 1421 1445 1479 1547 1715 1785 1827 1885 1911 1989 2023 2205 2465 2499 2601 2639 3045 3087 3185 3315 3393 3451 3757 4095 4165 4263 4335 4437 4459 4641 5145 5355 5655 5733 5831 6069 6409 7105 7395 7497 7735 7917 8381 9135 9555 9945 9947 10115 10353 10829 11271 12495 12789 13005 13195 13377 13923 14161 15435 16965 17255 17493 18207 18473 18785 19227 21315 22185 22295 23205 23751 24157 25143 26299 28665 29155 29841 30345 31059 32045 32487 33813 37485 39585 40131 41905 42483 44863 49735 51765 52479 54145 55419 56355 57681 58667 63945 66885 69615 70805 72471 75429 75803 78897 87465 89523 91035 92365 96135 97461 99127 108953 118755 120785 125715 127449 129311 131495 134589 149205 155295 162435 166257 169065 169099 176001 184093 200655 212415 217413 224315 227409 236691 262395 277095 288405 293335 297381 314041 326859 362355 377145 379015 387933 394485 403767 410669 447615 487305 495635 507297 528003 544765 552279 637245 646555 672945 682227 762671 831285 845495 880005 892143 920465 942123 980577 1087065 1137045 1163799 1183455 1232007 1288651 1486905 1521891 1570205 1634295 1656837 1939665 2018835 2053345 2198287 2288013 2536485 2640015 2761395 2826369 2874683 3411135 3696021 3813355 3865953 4460715 4710615 4902885 5338697 5818995 6160035 6443255 6594861 6864039 7609455 8284185 8624049 10991435 11440065 11597859 14131845 14373415 16016091 18480105 19329765 19784583 25872147 26693485 32974305 34320195 37370879 43120245 48048273 57989295 80080455 98922915 112112637 129360735 186854395 240241365 336337911 560563185 1681689555
• Sum of all divisors σ(n): 4022928000
• Sum of proper divisors (its aliquot sum) s(n): 2341238445
• 1681689555 is an abundant number, because the sum of its proper divisors (2341238445) is greater than itself. Its abundance is 659548890

Bases of 1681689555

• Binary: 1100100001111001000101111010011₂
• Hexadecimal: 0x643C8BD3
• Base-36: RT8FYR

Squares and roots of 1681689555

• 1681689555 squared (1681689555²) is 2828079759396098025
• 1681689555 cubed (1681689555³) is 4755952192083331156398628875
• The square root of 1681689555 is 41008.4083451187
• The cube root of 1681689555 is 1189.1827722339

Scales and comparisons

• 1,681,689,555 seconds is equal to 53 years, 24 weeks, 3 days, 23 hours, 59 minutes, 15 seconds.
• To count from 1 to 1,681,689,555 would take you about one hundred 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 1681689555 cubic inches would be around 99.1 feet tall.

Recreational maths with 1681689555

• 1681689555 backwards is 5559861861
• The number of decimal digits it has is: 10
• The sum of 1681689555's digits is 54
• More coming soon!