12440494872

Names of 12440494872

• Cardinal: 12440494872 can be written as Twelve billion, four hundred forty million, four hundred ninety-four thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.2440494872 × 10¹⁰

Factors of 12440494872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 41203

Divisors of 12440494872

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 17 18 19 24 26 34 36 38 39 51 52 57 68 72 76 78 102 104 114 117 136 152 153 156 171 204 221 228 234 247 306 312 323 342 408 442 456 468 494 612 646 663 684 741 884 936 969 988 1224 1292 1326 1368 1482 1768 1938 1976 1989 2223 2584 2652 2907 2964 3876 3978 4199 4446 5304 5814 5928 7752 7956 8398 8892 11628 12597 15912 16796 17784 23256 25194 33592 37791 41149 50388 75582 82298 100776 123447 151164 164596 246894 302328 329192 370341 493788 534937 699533 740682 781831 987576 1069874 1399066 1481364 1563662 1604811 2098599 2139748 2345493 2798132 2962728 3127324 3209622 4197198 4279496 4690986 4814433 5596264 6254648 6295797 6419244 7036479 8394396 9093929 9381972 9628866 10163803 12591594 12838488 13291127 14072958 16788792 18187858 18763944 19257732 20327606 25183188 26582254 27281787 28145916 30491409 36375716 38515464 39873381 40655212 50366376 53164508 54563574 56291832 60982818 72751432 79746762 81310424 81845361 91474227 106329016 109127148 119620143 121965636 159493524 163690722 172784651 182948454 218254296 239240286 243931272 318987048 327381444 345569302 365896908 478480572 518353953 654762888 691138604 731793816 956961144 1036707906 1382277208 1555061859 2073415812 3110123718 4146831624 6220247436 12440494872
• Sum of all divisors σ(n): 40442220000
• Sum of proper divisors (its aliquot sum) s(n): 28001725128
• 12440494872 is an abundant number, because the sum of its proper divisors (28001725128) is greater than itself. Its abundance is 15561230256

Bases of 12440494872

• Binary: 1011100101100000101110001100011000₂
• Hexadecimal: 0x2E582E318
• Base-36: 5PQQZA0

Squares and roots of 12440494872

• 12440494872 squared (12440494872²) is 154765912660258296384
• 12440494872 cubed (12440494872³) is 1925364542810343214360608142848
• The square root of 12440494872 is 111536.9663923131
• The cube root of 12440494872 is 2317.1059131675

Scales and comparisons

• 12,440,494,872 seconds is equal to 395 years, 29 weeks, 4 days, 5 hours, 1 minute, 12 seconds.
• To count from 1 to 12,440,494,872 would take you about seven hundred ninety-one 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 12440494872 cubic inches would be around 193.1 feet tall.

Recreational maths with 12440494872

• 12440494872 backwards is 27849404421
• The number of decimal digits it has is: 11
• The sum of 12440494872's digits is 45
• More coming soon!