13942781216

Names of 13942781216

• Cardinal: 13942781216 can be written as Thirteen billion, nine hundred forty-two million, seven hundred eighty-one thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.3942781216 × 10¹⁰

Factors of 13942781216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 162

Divisors of 13942781216

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 31 32 52 56 62 91 104 109 112 124 169 182 208 217 218 224 248 338 364 403 416 434 436 496 676 728 763 806 868 872 992 1183 1352 1417 1456 1526 1612 1736 1744 2366 2704 2821 2834 2912 3052 3224 3379 3472 3488 4732 5239 5408 5642 5668 6104 6448 6758 6944 9464 9919 10478 11284 11336 11881 12208 12896 13516 18421 18928 19838 20956 22568 22672 23653 23762 24416 27032 36673 36842 37856 39676 41912 43927 45136 45344 47306 47524 54064 73346 73684 79352 83167 83824 87854 90272 94612 95048 108128 128947 146692 147368 154453 158704 166334 167648 175708 189224 190096 257894 293384 294736 307489 308906 317408 332668 351416 368311 378448 380192 515788 571051 586768 589472 614978 617812 665336 702832 736622 756896 1031576 1081171 1142102 1173536 1229956 1235624 1330672 1405664 1473244 2007889 2063152 2162342 2284204 2459912 2471248 2578177 2661344 2946488 3997357 4015778 4126304 4324684 4568408 4788043 4919824 4942496 5156354 5892976 7994714 8031556 8649368 9136816 9576086 9839648 10312708 11785952 14055223 15989428 16063112 17298736 18273632 19152172 20625416 28110446 31978856 32126224 33516301 34597472 38304344 41250832 56220892 62244559 63957712 64252448 67032602 76608688 82501664 112441784 124489118 127915424 134065204 153217376 224883568 248978236 268130408 435711913 449767136 497956472 536260816 871423826 995912944 1072521632 1742847652 1991825888 3485695304 6971390608 13942781216
• Sum of all divisors σ(n): 35390525184
• Sum of proper divisors (its aliquot sum) s(n): 21447743968
• 13942781216 is an abundant number, because the sum of its proper divisors (21447743968) is greater than itself. Its abundance is 7504962752

Bases of 13942781216

• Binary: 1100111111000011011111010100100000₂
• Hexadecimal: 0x33F0DF520
• Base-36: 6EL66U8

Squares and roots of 13942781216

• 13942781216 squared (13942781216²) is 194401148037242438656
• 13942781216 cubed (13942781216³) is 2710492675222499142130909085696
• The square root of 13942781216 is 118079.5546062061
• The cube root of 13942781216 is 2406.8543186255

Scales and comparisons

• 13,942,781,216 seconds is equal to 443 years, 17 weeks, 3 days, 18 hours, 46 minutes, 56 seconds.
• To count from 1 to 13,942,781,216 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 13942781216 cubic inches would be around 200.6 feet tall.

Recreational maths with 13942781216

• 13942781216 backwards is 61218724931
• The number of decimal digits it has is: 11
• The sum of 13942781216's digits is 44
• More coming soon!