12888641920

Names of 12888641920

• Cardinal: 12888641920 can be written as Twelve billion, eight hundred eighty-eight million, six hundred forty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.288864192 × 10¹⁰

Factors of 12888641920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6445

Divisors of 12888641920

• Number of divisors d(n): 256
• 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 88 110 112 128 140 154 160 164 176 205 220 224 280 287 308 320 328 352 385 410 440 448 451 560 574 616 640 656 704 770 820 880 896 902 1120 1148 1232 1312 1408 1435 1540 1640 1760 1804 2240 2255 2296 2464 2624 2870 3080 3157 3280 3520 3608 4480 4510 4592 4928 5248 5740 6160 6314 6379 6560 7040 7216 9020 9184 9856 11480 12320 12628 12758 13120 14432 15785 18040 18368 22960 24640 25256 25516 26240 28864 31570 31895 36080 36736 44653 45920 49280 50512 51032 57728 63140 63790 70169 72160 89306 91840 101024 102064 126280 127580 140338 144320 178612 183680 202048 204128 223265 252560 255160 261539 280676 288640 350845 357224 404096 408256 446530 491183 505120 510320 523078 561352 701690 714448 816512 893060 982366 1010240 1020640 1046156 1122704 1307695 1403380 1428896 1786120 1830773 1964732 2020480 2041280 2092312 2245408 2455915 2615390 2806760 2857792 2876929 3572240 3661546 3929464 4082560 4184624 4490816 4911830 5230780 5613520 5715584 5753858 7144480 7323092 7858928 8369248 8981632 9153865 9823660 10461560 11227040 11507716 14288960 14384645 14646184 15717856 16738496 18307730 19647320 20138503 20923120 22454080 23015432 28577920 28769290 29292368 31435712 33476992 36615460 39294640 40277006 41846240 44908160 46030864 57538580 58584736 62871424 73230920 78589280 80554012 83692480 92061728 100692515 115077160 117169472 146461840 157178560 161108024 167384960 184123456 201385030 230154320 234338944 292923680 314357120 322216048 368246912 402770060 460308640 585847360 644432096 805540120 920617280 1171694720 1288864192 1611080240 1841234560 2577728384 3222160480 6444320960 12888641920
• Sum of all divisors σ(n): 39357964800
• Sum of proper divisors (its aliquot sum) s(n): 26469322880
• 12888641920 is an abundant number, because the sum of its proper divisors (26469322880) is greater than itself. Its abundance is 13580680960

Bases of 12888641920

• Binary: 1100000000001110010001000110000000₂
• Hexadecimal: 0x300391180
• Base-36: 5X5KBR4

Squares and roots of 12888641920

• 12888641920 squared (12888641920²) is 166117090541981286400
• 12888641920 cubed (12888641920³) is 2141023696787815527750565888000
• The square root of 12888641920 is 113528.1547458603
• The cube root of 12888641920 is 2344.6015765413

Scales and comparisons

• 12,888,641,920 seconds is equal to 409 years, 42 weeks, 4 days, 2 hours, 18 minutes, 40 seconds.
• To count from 1 to 12,888,641,920 would take you about eight hundred nineteen 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 12888641920 cubic inches would be around 195.4 feet tall.

Recreational maths with 12888641920

• 12888641920 backwards is 02914688821
• The number of decimal digits it has is: 11
• The sum of 12888641920's digits is 49
• More coming soon!