13145942784

Names of 13145942784

• Cardinal: 13145942784 can be written as Thirteen billion, one hundred forty-five million, nine hundred forty-two thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 1.3145942784 × 10¹⁰

Factors of 13145942784

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1169

Divisors of 13145942784

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 17 24 26 32 34 39 48 51 52 64 68 73 78 96 102 104 128 136 146 156 192 204 208 219 221 256 272 292 312 384 408 416 438 442 544 584 624 663 768 816 832 876 884 949 1061 1088 1168 1241 1248 1326 1632 1664 1752 1768 1898 2122 2176 2336 2482 2496 2652 2847 3183 3264 3328 3504 3536 3723 3796 4244 4352 4672 4964 4992 5304 5694 6366 6528 7008 7072 7446 7592 8488 9344 9928 9984 10608 11388 12732 13056 13793 14016 14144 14892 15184 16133 16976 18037 18688 19856 21216 22776 25464 27586 28032 28288 29784 30368 32266 33952 36074 39712 41379 42432 45552 48399 50928 54111 55172 56064 56576 59568 60736 64532 67904 72148 77453 79424 82758 84864 91104 96798 101856 108222 110344 119136 121472 129064 135808 144296 154906 158848 165516 169728 182208 193596 203712 216444 220688 232359 234481 238272 242944 258128 271616 288592 309812 317696 331032 364416 387192 407424 432888 441376 464718 468962 476544 516256 577184 619624 662064 703443 728832 774384 814848 865776 882752 929436 937924 953088 1006889 1032512 1154368 1239248 1316701 1324128 1406886 1548768 1731552 1765504 1858872 1875848 2013778 2065024 2308736 2478496 2633402 2648256 2813772 3020667 3097536 3463104 3531008 3717744 3751696 3950103 4027556 4130048 4617472 4956992 5266804 5296512 5627544 6041334 6195072 6926208 7435488 7503392 7900206 8055112 9913984 10533608 10593024 11255088 12082668 12390144 13852416 14870976 15006784 15800412 16110224 17117113 19827968 21067216 22510176 24165336 29741952 30013568 31600824 32220448 34234226 42134432 45020352 48330672 51351339 59483904 60027136 63201648 64440896 68468452 84268864 90040704 96661344 102702678 126403296 128881792 136936904 168537728 180081408 193322688 205405356 252806592 257763584 273873808 337075456 386645376 410810712 505613184 547747616 773290752 821621424 1011226368 1095495232 1643242848 2190990464 3286485696 4381980928 6572971392 13145942784
• Sum of all divisors σ(n): 40479735744
• Sum of proper divisors (its aliquot sum) s(n): 27333792960
• 13145942784 is an abundant number, because the sum of its proper divisors (27333792960) is greater than itself. Its abundance is 14187850176

Bases of 13145942784

• Binary: 1100001111100011110010101100000000₂
• Hexadecimal: 0x30F8F2B00
• Base-36: 61ER6DC

Squares and roots of 13145942784

• 13145942784 squared (13145942784²) is 172815811680201670656
• 13145942784 cubed (13145942784³) is 2271826772518450068024987746304
• The square root of 13145942784 is 114655.7577446505
• The cube root of 13145942784 is 2360.1009475159

Scales and comparisons

• 13,145,942,784 seconds is equal to 418 years, 2 hours, 46 minutes, 24 seconds.
• To count from 1 to 13,145,942,784 would take you about eight hundred thirty-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 13145942784 cubic inches would be around 196.7 feet tall.

Recreational maths with 13145942784

• 13145942784 backwards is 48724954131
• 13145942784 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13145942784's digits is 48
• More coming soon!