12972808080

Names of 12972808080

• Cardinal: 12972808080 can be written as Twelve billion, nine hundred seventy-two million, eight hundred eight thousand and eighty.

Scientific notation

• Scientific notation: 1.297280808 × 10¹⁰

Factors of 12972808080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 18790

Divisors of 12972808080

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 36 40 45 48 60 62 72 80 90 93 120 124 144 155 180 186 240 248 279 310 360 372 465 496 558 620 720 744 930 961 1116 1240 1395 1488 1860 1922 2232 2480 2790 2883 3720 3844 4464 4805 5580 5766 7440 7688 8649 9610 11160 11532 14415 15376 17298 18749 19220 22320 23064 28830 34596 37498 38440 43245 46128 56247 57660 69192 74996 76880 86490 93745 112494 115320 138384 149992 168741 172980 187490 224988 230640 281235 299984 337482 345960 374980 449976 562470 581219 674964 691920 749960 843705 899952 1124940 1162438 1349928 1499920 1687410 1743657 2249880 2324876 2699856 2906095 3374820 3487314 4499760 4649752 5230971 5812190 6749640 6974628 8718285 9299504 10461942 11624380 13499280 13949256 17436570 18017789 20923884 23248760 26154855 27898512 34873140 36035578 41847768 46497520 52309710 54053367 69746280 72071156 83695536 90088945 104619420 108106734 139492560 144142312 162160101 180177890 209238840 216213468 270266835 288284624 324320202 360355780 418477680 432426936 540533670 648640404 720711560 810800505 864853872 1081067340 1297280808 1441423120 1621601010 2162134680 2594561616 3243202020 4324269360 6486404040 12972808080
• Sum of all divisors σ(n): 45020137500
• Sum of proper divisors (its aliquot sum) s(n): 32047329420
• 12972808080 is an abundant number, because the sum of its proper divisors (32047329420) is greater than itself. Its abundance is 19074521340

Bases of 12972808080

• Binary: 1100000101001111010101011110010000₂
• Hexadecimal: 0x3053D5790
• Base-36: 5YJOAS0

Squares and roots of 12972808080

• 12972808080 squared (12972808080²) is 168293749480513286400
• 12972808080 cubed (12972808080³) is 2183242513074298564357274112000
• The square root of 12972808080 is 113898.2356316377
• The cube root of 12972808080 is 2349.6941252715

Scales and comparisons

• 12,972,808,080 seconds is equal to 412 years, 25 weeks, 5 days, 5 hours, 48 minutes.
• To count from 1 to 12,972,808,080 would take you about eight hundred twenty-four 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 12972808080 cubic inches would be around 195.8 feet tall.

Recreational maths with 12972808080

• 12972808080 backwards is 08080827921
• 12972808080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12972808080's digits is 45
• More coming soon!