12791907840

Names of 12791907840

• Cardinal: 12791907840 can be written as Twelve billion, seven hundred ninety-one million, nine hundred seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.279190784 × 10¹⁰

Factors of 12791907840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 270

Divisors of 12791907840

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 103 120 128 157 160 192 206 240 256 309 314 320 384 412 471 480 512 515 618 628 640 768 785 824 942 960 1030 1236 1256 1280 1536 1545 1570 1648 1884 1920 2060 2355 2472 2512 2560 3090 3140 3296 3768 3840 4120 4710 4944 5024 6180 6280 6592 7536 7680 8240 9420 9888 10048 10609 12360 12560 13184 15072 16171 16480 18840 19776 20096 21218 24720 25120 26368 30144 31827 32342 32960 37680 39552 40192 42436 48513 49440 50240 52736 53045 60288 63654 64684 65920 75360 79104 80384 80855 84872 97026 98880 100480 106090 120576 127308 129368 131840 150720 158208 159135 161710 169744 194052 197760 200960 212180 241152 242565 254616 258736 263680 301440 318270 323420 339488 388104 395520 401920 424360 485130 509232 517472 602880 636540 646840 678976 776208 791040 848720 970260 1018464 1034944 1205760 1273080 1293680 1357952 1552416 1665613 1697440 1940520 2036928 2069888 2546160 2587360 2715904 3104832 3331226 3394880 3881040 4073856 4139776 4996839 5092320 5174720 5431808 6209664 6662452 6789760 7762080 8147712 8279552 8328065 9993678 10184640 10349440 12419328 13324904 13579520 15524160 16295424 16656130 19987356 20369280 20698880 24838656 24984195 26649808 27159040 31048320 33312260 39974712 40738560 41397760 49968390 53299616 62096640 66624520 79949424 81477120 99936780 106599232 124193280 133249040 159898848 199873560 213198464 266498080 319797696 399747120 426396928 532996160 639595392 799494240 852793856 1065992320 1279190784 1598988480 2131984640 2558381568 3197976960 4263969280 6395953920 12791907840
• Sum of all divisors σ(n): 41558041008
• Sum of proper divisors (its aliquot sum) s(n): 28766133168
• 12791907840 is an abundant number, because the sum of its proper divisors (28766133168) is greater than itself. Its abundance is 15974225328

Bases of 12791907840

• Binary: 1011111010011101010000011000000000₂
• Hexadecimal: 0x2FA750600
• Base-36: 5VJYZ9C

Squares and roots of 12791907840

• 12791907840 squared (12791907840²) is 163632906187053465600
• 12791907840 cubed (12791907840³) is 2093177055536153733107810304000
• The square root of 12791907840 is 113101.3167032109
• The cube root of 12791907840 is 2338.7211362489

Scales and comparisons

• 12,791,907,840 seconds is equal to 406 years, 38 weeks, 4 days, 11 hours, 44 minutes.
• To count from 1 to 12,791,907,840 would take you about eight hundred thirteen 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 12791907840 cubic inches would be around 194.9 feet tall.

Recreational maths with 12791907840

• 12791907840 backwards is 04870919721
• 12791907840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12791907840's digits is 48
• More coming soon!