13931489187

Names of 13931489187

• Cardinal: 13931489187 can be written as Thirteen billion, nine hundred thirty-one million, four hundred eighty-nine thousand, one hundred eighty-seven.

Scientific notation

• Scientific notation: 1.3931489187 × 10¹⁰

Factors of 13931489187

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 438

Divisors of 13931489187

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 11 19 21 27 31 33 57 63 77 93 99 133 171 189 209 217 231 279 297 341 367 399 513 589 627 651 693 837 961 1023 1101 1197 1463 1767 1881 1953 2079 2387 2569 2883 3069 3303 3591 4037 4123 4389 5301 5643 5859 6479 6727 6973 7161 7707 8649 9207 9909 10571 11377 12111 12369 13167 15903 18259 19437 20181 20919 21483 23121 25947 28259 31713 34131 36333 37107 39501 45353 48811 54777 58311 60543 62757 64449 69363 73997 76703 79639 84777 95139 102393 108999 111321 125147 127813 136059 146433 164331 174933 181629 188271 200849 216163 221991 230109 238917 254331 285417 307179 352687 375441 383439 408177 439299 492993 536921 602547 648489 665973 690327 716751 762993 876029 1058061 1126323 1150317 1224531 1317897 1405943 1513141 1610763 1807641 1945467 1997919 2070981 2150253 2377793 2468809 2628087 3174183 3378969 3450951 3879557 4217829 4539423 4832289 5422923 5836401 6701053 7133379 7406427 7884261 9522549 11638671 12653487 13618269 14496867 16644551 20103159 21400137 22219281 23652783 27156899 34916013 37960461 40854807 46907371 49933653 60309477 64200411 66657843 73711583 81470697 104748039 140722113 149800959 180928431 221134749 244412091 422166339 449402877 515981081 663404247 733236273 1266499017 1547943243 1990212741 4643829729 13931489187
• Sum of all divisors σ(n): 28064563200
• Sum of proper divisors (its aliquot sum) s(n): 14133074013
• 13931489187 is an abundant number, because the sum of its proper divisors (14133074013) is greater than itself. Its abundance is 201584826

Bases of 13931489187

• Binary: 1100111110011000011010011110100011₂
• Hexadecimal: 0x33E61A7A3
• Base-36: 6EEG5UR

Squares and roots of 13931489187

• 13931489187 squared (13931489187²) is 194086390967497920969
• 13931489187 cubed (13931489187³) is 2703912457107551754424604062203
• The square root of 13931489187 is 118031.7295772625
• The cube root of 13931489187 is 2406.2043859059

Scales and comparisons

• 13,931,489,187 seconds is equal to 442 years, 50 weeks, 6 days, 2 hours, 6 minutes, 27 seconds.
• To count from 1 to 13,931,489,187 would take you about eight hundred eighty-five 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 13931489187 cubic inches would be around 200.5 feet tall.

Recreational maths with 13931489187

• 13931489187 backwards is 78198413931
• The number of decimal digits it has is: 11
• The sum of 13931489187's digits is 54
• More coming soon!