12749454816

Names of 12749454816

• Cardinal: 12749454816 can be written as Twelve billion, seven hundred forty-nine million, four hundred fifty-four thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.2749454816 × 10¹⁰

Factors of 12749454816

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 310

Divisors of 12749454816

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 56 61 62 79 84 93 96 112 122 124 127 158 168 183 186 217 224 237 244 248 254 316 336 366 372 381 427 434 474 488 496 508 553 632 651 672 732 744 762 854 868 889 948 976 992 1016 1106 1264 1281 1302 1464 1488 1524 1659 1708 1736 1778 1891 1896 1952 2032 2212 2449 2528 2562 2604 2667 2928 2976 3048 3318 3416 3472 3556 3782 3792 3937 4064 4424 4819 4898 5124 5208 5334 5673 5856 6096 6636 6832 6944 7112 7347 7564 7584 7747 7874 8848 9638 9796 10033 10248 10416 10668 11346 11811 12192 13237 13272 13664 14224 14457 14694 15128 15494 15748 17143 17696 19276 19592 20066 20496 20832 21336 22692 23241 23622 26474 26544 27559 28448 28914 29388 30099 30256 30988 31496 33733 34286 38552 39184 39711 40132 40992 42672 45384 46482 47244 51429 52948 53088 54229 55118 57828 58776 60198 60512 61976 62992 67466 68572 70231 77104 78368 79422 80264 82677 85344 90768 92964 94488 101199 102858 105896 108458 110236 115656 117552 120396 123952 125984 134932 137144 140462 149389 154208 158844 160528 162687 165354 181536 185928 188976 202398 205716 210693 211792 216916 220472 231312 235104 240157 240792 247904 269864 274288 280924 298778 311023 317688 321056 325374 330708 371856 377952 404796 411432 421386 423584 433832 440944 448167 462624 480314 481584 539728 548576 561848 597556 612013 622046 635376 650748 661416 720471 743712 809592 822864 842772 867664 881888 896334 933069 960628 963168 1045723 1079456 1123696 1195112 1224026 1244092 1270752 1301496 1322832 1440942 1619184 1645728 1681099 1685544 1735328 1792668 1836039 1866138 1921256 2091446 2177161 2247392 2390224 2448052 2488184 2602992 2645664 2881884 3137169 3238368 3362198 3371088 3585336 3672078 3732276 3842512 4182892 4284091 4354322 4780448 4896104 4976368 5043297 5205984 5763768 6274338 6531483 6724396 6742176 7170672 7344156 7464552 7685024 8365784 8568182 8708644 9792208 9952736 10086594 11527536 12548676 12852273 13062966 13448792 14341344 14688312 14929104 16731568 17136364 17417288 18972403 19584416 20173188 23055072 25097352 25704546 26125932 26897584 29376624 29858208 33463136 34272728 34834576 37944806 40346376 50194704 51409092 52251864 53795168 56917209 58753248 68545456 69669152 75889612 80692752 100389408 102818184 104503728 113834418 132806821 137090912 151779224 161385504 205636368 209007456 227668836 265613642 303558448 398420463 411272736 455337672 531227284 607116896 796840926 910675344 1062454568 1593681852 1821350688 2124909136 3187363704 4249818272 6374727408 12749454816
• Sum of all divisors σ(n): 40957378560
• Sum of proper divisors (its aliquot sum) s(n): 28207923744
• 12749454816 is an abundant number, because the sum of its proper divisors (28207923744) is greater than itself. Its abundance is 15458468928

Bases of 12749454816

• Binary: 1011110111111011010011110111100000₂
• Hexadecimal: 0x2F7ED3DE0
• Base-36: 5UUP2AO

Squares and roots of 12749454816

• 12749454816 squared (12749454816²) is 162548598105225593856
• 12749454816 cubed (12749454816³) is 2072406006946716922353839210496
• The square root of 12749454816 is 112913.4837652261
• The cube root of 12749454816 is 2336.1310659401

Scales and comparisons

• 12,749,454,816 seconds is equal to 405 years, 20 weeks, 3 days, 3 hours, 13 minutes, 36 seconds.
• To count from 1 to 12,749,454,816 would take you about eight hundred ten 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 12749454816 cubic inches would be around 194.7 feet tall.

Recreational maths with 12749454816

• 12749454816 backwards is 61845494721
• The number of decimal digits it has is: 11
• The sum of 12749454816's digits is 51
• More coming soon!