13661814672

Names of 13661814672

• Cardinal: 13661814672 can be written as Thirteen billion, six hundred sixty-one million, eight hundred fourteen thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.3661814672 × 10¹⁰

Factors of 13661814672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 70178

Divisors of 13661814672

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 41 44 48 54 66 72 82 88 99 108 123 132 144 164 176 198 216 246 264 297 328 369 396 432 451 492 528 594 656 738 792 902 984 1107 1188 1353 1476 1584 1804 1968 2214 2376 2706 2952 3608 4059 4428 4752 5412 5904 7216 8118 8856 10824 12177 16236 17712 21648 24354 32472 48708 64944 70121 97416 140242 194832 210363 280484 420726 560968 631089 771331 841452 1121936 1262178 1542662 1682904 1893267 2313993 2524356 2874961 3085324 3365808 3786534 4627986 5048712 5749922 6170648 6941979 7573068 8624883 9255972 10097424 11499844 12341296 13883958 15146136 17249766 18511944 20825937 22999688 25874649 27767916 30292272 31624571 34499532 37023888 41651874 45999376 51749298 55535832 63249142 68999064 77623947 83303748 94873713 103498596 111071664 126498284 137998128 155247894 166607496 189747426 206997192 252996568 284621139 310495788 333214992 379494852 413994384 505993136 569242278 620991576 758989704 853863417 1138484556 1241983152 1517979408 1707726834 2276969112 3415453668 4553938224 6830907336 13661814672
• Sum of all divisors σ(n): 43823445120
• Sum of proper divisors (its aliquot sum) s(n): 30161630448
• 13661814672 is an abundant number, because the sum of its proper divisors (30161630448) is greater than itself. Its abundance is 16499815776

Bases of 13661814672

• Binary: 1100101110010011101011111110010000₂
• Hexadecimal: 0x32E4EBF90
• Base-36: 69XW3O0

Squares and roots of 13661814672

• 13661814672 squared (13661814672²) is 186645180132074467584
• 13661814672 cubed (13661814672³) is 2549911860386457859035679592448
• The square root of 13661814672 is 116883.7656477581
• The cube root of 13661814672 is 2390.5773289441

Scales and comparisons

• 13,661,814,672 seconds is equal to 434 years, 20 weeks, 6 days, 20 hours, 31 minutes, 12 seconds.
• To count from 1 to 13,661,814,672 would take you about eight hundred sixty-eight 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 13661814672 cubic inches would be around 199.2 feet tall.

Recreational maths with 13661814672

• 13661814672 backwards is 27641816631
• The number of decimal digits it has is: 11
• The sum of 13661814672's digits is 45
• More coming soon!