12491018848

Names of 12491018848

• Cardinal: 12491018848 can be written as Twelve billion, four hundred ninety-one million, eighteen thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 1.2491018848 × 10¹⁰

Factors of 12491018848

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 80

Divisors of 12491018848

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 23 28 32 37 44 46 49 56 74 77 88 92 98 112 148 154 161 176 184 196 224 253 259 296 308 322 352 368 392 407 506 518 529 539 592 616 644 736 784 814 851 1012 1036 1058 1078 1127 1184 1232 1288 1369 1568 1628 1702 1771 1813 2024 2072 2116 2156 2254 2464 2576 2738 2849 3256 3404 3542 3626 3703 4048 4144 4232 4312 4508 5152 5476 5698 5819 5957 6512 6808 7084 7252 7406 8096 8288 8464 8624 9016 9361 9583 10952 11396 11638 11914 12397 13024 13616 14168 14504 14812 15059 16928 17248 18032 18722 19166 19573 19943 21904 22792 23276 23828 24794 25921 27232 28336 29008 29624 30118 31487 36064 37444 38332 39146 39886 40733 41699 43808 45584 46552 47656 49588 51842 56672 58016 59248 60236 62974 65527 67081 74888 76664 78292 79772 81466 83398 91168 93104 95312 99176 103684 105413 118496 120472 125948 131054 134162 137011 149776 153328 156584 159544 162932 166796 186208 190624 198352 207368 210826 215303 220409 240944 251896 262108 268324 274022 285131 299552 306656 313168 319088 325864 333592 346357 396704 414736 421652 430606 440818 458689 481888 503792 524216 536648 548044 570262 626336 638176 651728 667184 692714 724201 737891 829472 843304 861212 881636 917378 959077 1007584 1048432 1073296 1096088 1140524 1303456 1334368 1385428 1448402 1475782 1507121 1542863 1686608 1722424 1763272 1834756 1918154 2096864 2146592 2192176 2281048 2424499 2770856 2896804 2951564 3014242 3085726 3373216 3444848 3526544 3669512 3836308 4384352 4562096 4848998 5069407 5541712 5793608 5903128 6028484 6171452 6889696 7053088 7339024 7672616 7966211 9124192 9697996 10138814 10549847 11083424 11587216 11806256 12056968 12342904 14678048 15345232 15932422 16971493 19395992 20277628 21099694 23174432 23612512 24113936 24685808 30690464 31864844 33942986 35485849 38791984 40555256 42199388 48227872 49371616 55763477 63729688 67885972 70971698 77583968 81110512 84398776 111526954 127459376 135771944 141943396 162221024 168797552 223053908 254918752 271543888 283886792 337595104 390344339 446107816 543087776 567773584 780688678 892215632 1135547168 1561377356 1784431264 3122754712 6245509424 12491018848
• Sum of all divisors σ(n): 33528635532
• Sum of proper divisors (its aliquot sum) s(n): 21037616684
• 12491018848 is an abundant number, because the sum of its proper divisors (21037616684) is greater than itself. Its abundance is 8546597836

Bases of 12491018848

• Binary: 1011101000100001011101001001100000₂
• Hexadecimal: 0x2E885D260
• Base-36: 5QKTVTS

Squares and roots of 12491018848

• 12491018848 squared (12491018848²) is 156025551861091247104
• 12491018848 cubed (12491018848³) is 1948918109066492245423889416192
• The square root of 12491018848 is 111763.2267250727
• The cube root of 12491018848 is 2320.2384594369

Scales and comparisons

• 12,491,018,848 seconds is equal to 397 years, 9 weeks, 23 hours, 27 minutes, 28 seconds.
• To count from 1 to 12,491,018,848 would take you about seven hundred ninety-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 12491018848 cubic inches would be around 193.4 feet tall.

Recreational maths with 12491018848

• 12491018848 backwards is 84881019421
• 12491018848 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12491018848's digits is 46
• More coming soon!