13125939840

Names of 13125939840

• Cardinal: 13125939840 can be written as Thirteen billion, one hundred twenty-five million, nine hundred thirty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.312593984 × 10¹⁰

Factors of 13125939840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 19500

Divisors of 13125939840

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 64 65 72 78 80 81 90 96 104 108 117 120 128 130 135 144 156 160 162 180 192 195 208 216 234 240 260 270 288 312 320 324 351 360 384 390 405 416 432 468 480 520 540 576 585 624 640 648 702 720 780 810 832 864 936 960 1040 1053 1080 1152 1170 1248 1296 1404 1440 1560 1620 1664 1728 1755 1872 1920 2080 2106 2160 2340 2496 2592 2808 2880 3120 3240 3456 3510 3744 4160 4212 4320 4680 4992 5184 5265 5616 5760 6240 6480 7020 7488 8320 8424 8640 9360 10368 10530 11232 12480 12960 14040 14976 16848 17280 18720 19477 21060 22464 24960 25920 28080 33696 37440 38954 42120 44928 51840 56160 58431 67392 74880 77908 84240 97385 112320 116862 134784 155816 168480 175293 194770 224640 233724 253201 292155 311632 336960 350586 389540 467448 506402 525879 584310 623264 673920 701172 759603 779080 876465 934896 1012804 1051758 1168620 1246528 1266005 1402344 1519206 1558160 1577637 1752930 1869792 2025608 2103516 2278809 2337240 2493056 2532010 2629395 2804688 3038412 3116320 3155274 3505860 3739584 3798015 4051216 4207032 4557618 4674480 5064020 5258790 5609376 6076824 6232640 6310548 6836427 7011720 7479168 7596030 7888185 8102432 8414064 9115236 9348960 10128040 10517580 11218752 11394045 12153648 12465280 12621096 13672854 14023440 15192060 15776370 16204864 16828128 18230472 18697920 20256080 20509281 21035160 22437504 22788090 24307296 25242192 27345708 28046880 30384120 31552740 32409728 33656256 34182135 36460944 37395840 40512160 41018562 42070320 45576180 48614592 50484384 54691416 56093760 60768240 63105480 67312512 68364270 72921888 81024320 82037124 84140640 91152360 97229184 100968768 102546405 109382832 112187520 121536480 126210960 136728540 145843776 162048640 164074248 168281280 182304720 201937536 205092810 218765664 243072960 252421920 273457080 291687552 328148496 336562560 364609440 410185620 437531328 486145920 504843840 546914160 656296992 729218880 820371240 875062656 1009687680 1093828320 1312593984 1458437760 1640742480 2187656640 2625187968 3281484960 4375313280 6562969920 13125939840
• Sum of all divisors σ(n): 50483469960
• Sum of proper divisors (its aliquot sum) s(n): 37357530120
• 13125939840 is an abundant number, because the sum of its proper divisors (37357530120) is greater than itself. Its abundance is 24231590280

Bases of 13125939840

• Binary: 1100001110010111011111001010000000₂
• Hexadecimal: 0x30E5DF280
• Base-36: 612UG00

Squares and roots of 13125939840

• 13125939840 squared (13125939840²) is 172290296683299225600
• 13125939840 cubed (13125939840³) is 2261472069280737167944187904000
• The square root of 13125939840 is 114568.4940985087
• The cube root of 13125939840 is 2358.9032920209

Scales and comparisons

• 13,125,939,840 seconds is equal to 417 years, 18 weeks, 6 days, 14 hours, 24 minutes.
• To count from 1 to 13,125,939,840 would take you about eight hundred thirty-four 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 13125939840 cubic inches would be around 196.6 feet tall.

Recreational maths with 13125939840

• 13125939840 backwards is 04893952131
• 13125939840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13125939840's digits is 45
• More coming soon!