12999768320

Names of 12999768320

• Cardinal: 12999768320 can be written as Twelve billion, nine hundred ninety-nine million, seven hundred sixty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.299976832 × 10¹⁰

Factors of 12999768320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3283

Divisors of 12999768320

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 41 44 55 56 64 70 77 80 82 88 110 112 128 140 154 160 164 176 205 220 224 256 280 287 308 320 328 352 385 410 440 448 451 560 574 616 640 656 704 770 820 880 896 902 1120 1148 1232 1280 1312 1408 1435 1540 1640 1760 1792 1804 2240 2255 2296 2464 2624 2816 2870 3080 3157 3217 3280 3520 3608 4480 4510 4592 4928 5248 5740 6160 6314 6434 6560 7040 7216 8960 9020 9184 9856 10496 11480 12320 12628 12868 13120 14080 14432 15785 16085 18040 18368 19712 22519 22960 24640 25256 25736 26240 28864 31570 32170 35387 36080 36736 45038 45920 49280 50512 51472 52480 57728 63140 64340 70774 72160 73472 90076 91840 98560 101024 102944 112595 115456 126280 128680 131897 141548 144320 176935 180152 183680 202048 205888 225190 247709 252560 257360 263794 283096 288640 353870 360304 367360 404096 411776 450380 495418 505120 514720 527588 566192 577280 659485 707740 720608 808192 823552 900760 923279 990836 1010240 1029440 1055176 1132384 1238545 1318970 1415480 1441216 1450867 1801520 1846558 1981672 2020480 2058880 2110352 2264768 2477090 2637940 2830960 2882432 2901734 3603040 3693116 3963344 4040960 4117760 4220704 4529536 4616395 4954180 5275880 5661920 5764864 5803468 7206080 7254335 7386232 7926688 8441408 9059072 9232790 9908360 10156069 10551760 11323840 11606936 14412160 14508670 14772464 15853376 16882816 18465580 19816720 20312138 21103520 22647680 23213872 28824320 29017340 29544928 31706752 33765632 36931160 39633440 40624276 42207040 45295360 46427744 50780345 58034680 59089856 63413504 73862320 79266880 81248552 84414080 92855488 101560690 116069360 118179712 147724640 158533760 162497104 168828160 185710976 203121380 232138720 236359424 295449280 317067520 324994208 371421952 406242760 464277440 590898560 649988416 812485520 928554880 1181797120 1299976832 1624971040 1857109760 2599953664 3249942080 6499884160 12999768320
• Sum of all divisors σ(n): 39781276416
• Sum of proper divisors (its aliquot sum) s(n): 26781508096
• 12999768320 is an abundant number, because the sum of its proper divisors (26781508096) is greater than itself. Its abundance is 13781739776

Bases of 12999768320

• Binary: 1100000110110110001011100100000000₂
• Hexadecimal: 0x306D8B900
• Base-36: 5YZQ5FK

Squares and roots of 12999768320

• 12999768320 squared (12999768320²) is 168993976373675622400
• 12999768320 cubed (12999768320³) is 2196882540333336838031802368000
• The square root of 12999768320 is 114016.5265213777
• The cube root of 12999768320 is 2351.3207195039

Scales and comparisons

• 12,999,768,320 seconds is equal to 413 years, 18 weeks, 2 days, 6 hours, 45 minutes, 20 seconds.
• To count from 1 to 12,999,768,320 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 12999768320 cubic inches would be around 195.9 feet tall.

Recreational maths with 12999768320

• 12999768320 backwards is 02386799921
• 12999768320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12999768320's digits is 56
• More coming soon!