12999261440

Names of 12999261440

• Cardinal: 12999261440 can be written as Twelve billion, nine hundred ninety-nine million, two hundred sixty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.299926144 × 10¹⁰

Factors of 12999261440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 471

Divisors of 12999261440

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 23 32 40 44 46 55 64 80 88 92 110 115 128 137 160 176 184 220 230 253 256 274 293 320 352 368 440 460 506 548 586 640 685 704 736 880 920 1012 1096 1172 1265 1280 1370 1408 1465 1472 1507 1760 1840 2024 2192 2344 2530 2740 2816 2930 2944 3014 3151 3223 3520 3680 4048 4384 4688 5060 5480 5860 5888 6028 6302 6446 6739 7040 7360 7535 8096 8768 9376 10120 10960 11720 12056 12604 12892 13478 14080 14720 15070 15755 16115 16192 17536 18752 20240 21920 23440 24112 25208 25784 26956 29440 30140 31510 32230 32384 33695 34661 35072 37504 40141 40480 43840 46880 48224 50416 51568 53912 60280 63020 64460 64768 67390 69322 74129 75008 80282 80960 87680 93760 96448 100832 103136 107824 120560 126040 128920 134780 138644 148258 160564 161920 173305 175360 187520 192896 200705 201664 206272 215648 241120 252080 257840 269560 277288 296516 321128 323840 346610 370645 375040 385792 401410 403328 412544 431296 441551 482240 504160 515680 539120 554576 593032 642256 693220 741290 802820 806656 825088 862592 883102 923243 964480 1008320 1031360 1078240 1109152 1186064 1284512 1386440 1482580 1605640 1725184 1766204 1846486 1928960 2016640 2062720 2156480 2207755 2218304 2372128 2569024 2772880 2965160 3211280 3532408 3692972 4033280 4125440 4312960 4415510 4436608 4616215 4744256 5138048 5545760 5930320 6422560 7064816 7385944 8625920 8831020 8873216 9232430 9488512 10155673 10276096 11091520 11860640 12845120 14129632 14771888 17662040 18464860 18977024 20311346 22183040 23721280 25690240 28259264 29543776 35324080 36929720 40622692 44366080 47442560 50778365 51380480 56518528 59087552 70648160 73859440 81245384 94885120 101556730 113037056 118175104 141296320 147718880 162490768 203113460 236350208 282592640 295437760 324981536 406226920 565185280 590875520 649963072 812453840 1181751040 1299926144 1624907680 2599852288 3249815360 6499630720 12999261440
• Sum of all divisors σ(n): 35825400576
• Sum of proper divisors (its aliquot sum) s(n): 22826139136
• 12999261440 is an abundant number, because the sum of its proper divisors (22826139136) is greater than itself. Its abundance is 9826877696

Bases of 12999261440

• Binary: 1100000110110100001111110100000000₂
• Hexadecimal: 0x306D0FD00
• Base-36: 5YZFABK

Squares and roots of 12999261440

• 12999261440 squared (12999261440²) is 168980797985470873600
• 12999261440 cubed (12999261440³) is 2196625571352961207431593984000
• The square root of 12999261440 is 114014.3036640579
• The cube root of 12999261440 is 2351.2901586275

Scales and comparisons

• 12,999,261,440 seconds is equal to 413 years, 17 weeks, 3 days, 9 hours, 57 minutes, 20 seconds.
• To count from 1 to 12,999,261,440 would take you about eight hundred twenty-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 12999261440 cubic inches would be around 195.9 feet tall.

Recreational maths with 12999261440

• 12999261440 backwards is 04416299921
• The number of decimal digits it has is: 11
• The sum of 12999261440's digits is 47
• More coming soon!