12721940912020472064

Names of 12721940912020472064

• Cardinal: 12721940912020472064 can be written as Twelve quintillion, seven hundred twenty-one quadrillion, nine hundred forty trillion, nine hundred twelve billion, twenty million, four hundred seventy-two thousand and sixty-four.

Scientific notation

• Scientific notation: 1.2721940912020472064 × 10¹⁹

Factors of 12721940912020472064

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 17265

Divisors of 12721940912020472064

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 768 1152 2304 8219 9041 16438 18082 24657 27123 32876 36164 49314 54246 65752 72328 73971 81369 98628 108492 131504 144656 147942 162738 197256 216984 263008 289312 295884 325476 394512 433968 526016 578624 591768 650952 789024 867936 1052032 1157248 1183536 1301904 1578048 1735872 2104064 2314496 2367072 2603808 3156096 3471744 4734144 5207616 6312192 6943488 9468288 10415232 18936576 20830464 74307979 81739681 148615958 163479362 222923937 245219043 297231916 326958724 445847874 490438086 594463832 653917448 668771811 735657129 891695748 980876172 1188927664 1307834896 1337543622 1471314258 1783391496 1961752344 2377855328 2615669792 2675087244 2942628516 3566782992 3923504688 4755710656 5231339584 5350174488 5885257032 7133565984 7847009376 9511421312 10462679168 10700348976 11770514064 14267131968 15694018752 19022842624 20925358336 21400697952 23541028128 28534263936 31388037504 42801395904 47082056256 57068527872 62776075008 85602791808 94164112512 171205583616 188328225024 671818438139 1343636876278 2015455314417 2687273752556 4030910628834 5374547505112 6046365943251 8061821257668 10749095010224 12092731886502 16123642515336 21498190020448 24185463773004 32247285030672 42996380040896 48370927546008 64494570061344 85992760081792 96741855092016 128989140122688 171985520163584 193483710184032 257978280245376 386967420368064 515956560490752 773934840736128 1547869681472256
• Sum of all divisors σ(n): 12724856968962827388
• Sum of proper divisors (its aliquot sum) s(n): 2916056942355324
• 12721940912020472064 is a deficient number, because the sum of its proper divisors (2916056942355324) is less than itself. Its deficiency is 12719024855078116740

Bases of 12721940912020472064

• Binary: 1011000010001101011010011101101100010010011111010100000100000000₂
• Hexadecimal: 0xB08D69DB127D4100
• Base-36: 2ONLBOCEKJLS0

Squares and roots of 12721940912020472064

• 12721940912020472064 squared (12721940912020472064²) is 161847780568940280521109783841404420096
• 12721940912020472064 cubed (12721940912020472064³) is 2059017901139713349368328540530445524402764764690088198144
• 12721940912020472064 is a perfect square number. Its square root is 3566782992
• The cube root of 12721940912020472064 is 2334449.3632272717

Scales and comparisons

• 12,721,940,912,020,472,064 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 12,721,940,912,020,472,064 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 12721940912020472064 cubic inches would be around 194537.4 feet tall.

Recreational maths with 12721940912020472064

• 12721940912020472064 backwards is 46027402021904912721
• The number of decimal digits it has is: 20
• The sum of 12721940912020472064's digits is 63
• More coming soon!