13047978240

Names of 13047978240

• Cardinal: 13047978240 can be written as Thirteen billion, forty-seven million, nine hundred seventy-eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.304797824 × 10¹⁰

Factors of 13047978240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 102988

Divisors of 13047978240

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 120 128 132 144 160 165 176 180 192 198 220 240 256 264 288 320 330 352 360 384 396 440 480 495 528 576 640 660 704 720 768 792 880 960 990 1056 1152 1280 1320 1408 1440 1584 1760 1920 1980 2112 2304 2640 2816 2880 3168 3520 3840 3960 4224 5280 5760 6336 7040 7920 8448 10560 11520 12672 14080 15840 21120 25344 31680 42240 63360 102967 126720 205934 308901 411868 514835 617802 823736 926703 1029670 1132637 1235604 1544505 1647472 1853406 2059340 2265274 2471208 3089010 3294944 3397911 3706812 4118680 4530548 4633515 4942416 5663185 6178020 6589888 6795822 7413624 8237360 9061096 9267030 9884832 10193733 11326370 12356040 13179776 13591644 14827248 16474720 16989555 18122192 18534060 19769664 20387466 22652740 24712080 26359552 27183288 29654496 32949440 33979110 36244384 37068120 39539328 40774932 45305480 49424160 50968665 54366576 59308992 65898880 67958220 72488768 74136240 79078656 81549864 90610960 98848320 101937330 108733152 118617984 131797760 135916440 144977536 148272480 163099728 181221920 197696640 203874660 217466304 237235968 271832880 289955072 296544960 326199456 362443840 395393280 407749320 434932608 543665760 593089920 652398912 724887680 815498640 869865216 1087331520 1186179840 1304797824 1449775360 1630997280 2174663040 2609595648 3261994560 4349326080 6523989120 13047978240
• Sum of all divisors σ(n): 49249182528
• Sum of proper divisors (its aliquot sum) s(n): 36201204288
• 13047978240 is an abundant number, because the sum of its proper divisors (36201204288) is greater than itself. Its abundance is 23153226048

Bases of 13047978240

• Binary: 1100001001101110000101100100000000₂
• Hexadecimal: 0x309B85900
• Base-36: 5ZSFGG0

Squares and roots of 13047978240

• 13047978240 squared (13047978240²) is 170249736151513497600
• 13047978240 cubed (13047978240³) is 2221414852670689459751092224000
• The square root of 13047978240 is 114227.7472420777
• The cube root of 13047978240 is 2354.2237749033

Scales and comparisons

• 13,047,978,240 seconds is equal to 414 years, 46 weeks, 6 hours, 24 minutes.
• To count from 1 to 13,047,978,240 would take you about eight hundred twenty-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 13047978240 cubic inches would be around 196.2 feet tall.

Recreational maths with 13047978240

• 13047978240 backwards is 04287974031
• 13047978240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13047978240's digits is 45
• More coming soon!