13943921985

Names of 13943921985

• Cardinal: 13943921985 can be written as Thirteen billion, nine hundred forty-three million, nine hundred twenty-one thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.3943921985 × 10¹⁰

Factors of 13943921985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 124

Divisors of 13943921985

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 5 7 9 15 17 21 27 31 35 45 51 61 63 81 85 93 105 119 135 153 155 183 189 217 243 255 279 289 305 315 357 405 427 459 465 527 549 567 595 651 729 765 837 867 915 945 1037 1071 1085 1215 1281 1377 1395 1445 1581 1647 1701 1785 1891 1953 2023 2135 2295 2511 2601 2635 2745 2835 3111 3213 3255 3645 3689 3843 4131 4185 4335 4743 4941 5103 5185 5355 5673 5859 6069 6405 6885 7259 7533 7803 7905 8235 8505 8959 9333 9455 9639 9765 10115 11067 11529 12393 12555 13005 13237 14229 14823 15555 16065 17019 17577 17629 18207 18445 19215 20655 21777 22599 23409 23715 24705 25515 26877 27999 28365 28917 29295 30345 32147 33201 34587 36295 37665 39015 39711 42687 44469 44795 46665 48195 51057 52731 52887 54621 55335 57645 61965 62713 65331 66185 70227 71145 74115 80631 83997 85095 86751 87885 88145 91035 96441 99603 103761 108885 112995 117045 119133 123403 128061 134385 139995 144585 153171 158193 158661 160735 163863 166005 172935 188139 195993 198555 210681 213435 222345 225029 241893 251991 255285 263655 264435 273105 289323 298809 311283 313565 326655 351135 357399 370209 384183 403155 419985 433755 459513 475983 482205 491589 498015 518805 546499 564417 587979 595665 617015 640305 675087 725679 755973 765855 790965 793305 819315 867969 896427 940695 979965 1053405 1072197 1110627 1125145 1209465 1259955 1378539 1427949 1446615 1474767 1494045 1556415 1639497 1693251 1763937 1786995 1851045 1920915 2025261 2177037 2297565 2379915 2457945 2603907 2689281 2732495 2822085 2939895 3216591 3331881 3375435 3628395 3779865 3825493 4283847 4339845 4482135 4918491 5079753 5291811 5360985 5553135 6075783 6531111 6892695 7139745 7373835 7811721 8197485 8466255 8819685 9649773 9995643 10126305 10885185 11476479 12851541 13019535 13446405 14755473 15239259 16082955 16659405 18227349 19127465 21419235 23435163 24592455 25398765 26459055 29986929 30378915 32655555 34429437 39058605 44266419 45717777 48248865 49978215 54682047 57382395 64257705 73777365 76196295 89960787 91136745 103288311 117175815 132799257 149934645 164046141 172147185 221332095 228588885 273410235 309864933 398397771 449803935 516441555 663996285 820230705 929594799 1549324665 1991988855 2788784397 4647973995 13943921985
• Sum of all divisors σ(n): 31955192832
• Sum of proper divisors (its aliquot sum) s(n): 18011270847
• 13943921985 is an abundant number, because the sum of its proper divisors (18011270847) is greater than itself. Its abundance is 4067348862

Bases of 13943921985

• Binary: 1100111111000111110101110101000001₂
• Hexadecimal: 0x33F1F5D41
• Base-36: 6ELUN29

Squares and roots of 13943921985

• 13943921985 squared (13943921985²) is 194432960323766340225
• 13943921985 cubed (13943921985³) is 2711158030067198189466367346625
• The square root of 13943921985 is 118084.3850176643
• The cube root of 13943921985 is 2406.9199580861

Scales and comparisons

• 13,943,921,985 seconds is equal to 443 years, 19 weeks, 2 days, 23 hours, 39 minutes, 45 seconds.
• To count from 1 to 13,943,921,985 would take you about eight hundred eighty-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 13943921985 cubic inches would be around 200.6 feet tall.

Recreational maths with 13943921985

• 13943921985 backwards is 58912934931
• The number of decimal digits it has is: 11
• The sum of 13943921985's digits is 54
• More coming soon!