13987691970

Names of 13987691970

• Cardinal: 13987691970 can be written as Thirteen billion, nine hundred eighty-seven million, six hundred ninety-one thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 1.398769197 × 10¹⁰

Factors of 13987691970

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1465

Divisors of 13987691970

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 17 21 30 31 34 35 42 51 62 70 85 93 97 102 105 119 155 170 186 194 210 217 238 255 291 310 357 434 465 485 510 527 582 595 651 679 714 930 970 1054 1085 1190 1302 1303 1358 1455 1581 1649 1785 2037 2170 2606 2635 2910 3007 3162 3255 3298 3395 3570 3689 3909 4074 4947 5270 6014 6510 6515 6790 7378 7818 7905 8245 9021 9121 9894 10185 11067 11543 13030 15035 15810 16490 18042 18242 18445 19545 20370 21049 22134 22151 23086 24735 27363 30070 34629 36890 39090 40393 42098 44302 45105 45605 49470 51119 54726 55335 57715 63147 66453 69258 80786 90210 91210 102238 105245 110670 110755 115430 121179 126294 126391 132906 136815 153357 155057 173145 201965 210490 221510 242358 252782 255595 273630 282751 306714 310114 315735 332265 346290 357833 379173 403930 465171 511190 565502 605895 631470 631955 664530 686681 715666 758346 766785 775285 848253 884737 930342 1073499 1211790 1263910 1373362 1413755 1533570 1550570 1696506 1769474 1789165 1895865 2060043 2146998 2148647 2325855 2654211 2827510 3433405 3578330 3791730 3918121 4120086 4241265 4297294 4423685 4651710 4806767 5308422 5367495 6445941 6866810 7836242 8482530 8847370 9613534 10300215 10734990 10743235 11754363 12891882 13271055 14420301 15040529 19590605 20600430 21486470 23508726 24033835 26542110 27426847 28840602 30081058 32229705 39181210 45121587 48067670 54853694 58771815 64459410 66608057 72101505 75202645 82280541 90243174 117543630 133216114 137134235 144203010 150405290 164561082 199824171 225607935 274268470 333040285 399648342 411402705 451215870 466256399 666080570 822805410 932512798 999120855 1398769197 1998241710 2331281995 2797538394 4662563990 6993845985 13987691970
• Sum of all divisors σ(n): 42398318592
• Sum of proper divisors (its aliquot sum) s(n): 28410626622
• 13987691970 is an abundant number, because the sum of its proper divisors (28410626622) is greater than itself. Its abundance is 14422934652

Bases of 13987691970

• Binary: 1101000001101110110011110111000010₂
• Hexadecimal: 0x341BB3DC2
• Base-36: 6FBWS76

Squares and roots of 13987691970

• 13987691970 squared (13987691970²) is 195655526647602480900
• 13987691970 cubed (13987691970³) is 2736769238974790241837008373000
• The square root of 13987691970 is 118269.5733060705
• The cube root of 13987691970 is 2409.4357689239

Scales and comparisons

• 13,987,691,970 seconds is equal to 444 years, 39 weeks, 5 days, 13 hours, 59 minutes, 30 seconds.
• To count from 1 to 13,987,691,970 would take you about eight hundred eighty-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 13987691970 cubic inches would be around 200.8 feet tall.

Recreational maths with 13987691970

• 13987691970 backwards is 07919678931
• The number of decimal digits it has is: 11
• The sum of 13987691970's digits is 60
• More coming soon!