1278431276928

Names of 1278431276928

• Cardinal: 1278431276928 can be written as One trillion, two hundred seventy-eight billion, four hundred thirty-one million, two hundred seventy-six thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.278431276928 × 10¹²

Factors of 1278431276928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1249

Divisors of 1278431276928

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 169 192 208 312 338 384 416 507 624 676 832 1014 1231 1248 1352 1664 2028 2197 2462 2496 2704 3693 4056 4394 4924 4992 5408 6591 7386 8112 8788 9848 10816 13182 14772 16003 16224 17576 19696 21632 26364 29544 32006 32448 35152 39392 48009 52728 59088 64012 64896 70304 78784 96018 105456 118176 128024 140608 157568 192036 208039 210912 236352 256048 281216 384072 416078 421824 472704 512096 624117 768144 832156 843648 1024192 1248234 1515361 1536288 1664312 2048384 2496468 2704507 3030722 3072576 3328624 4546083 4992936 5409014 6061444 6145152 6657248 8113521 9092166 9985872 10818028 12122888 13314496 16227042 18184332 19699693 19971744 21636056 24245776 26628992 32454084 36368664 39399386 39943488 43272112 48491552 59099079 64908168 72737328 78798772 79886976 86544224 96983104 118198158 129816336 145474656 157597544 173088448 193966208 236396316 256096009 259632672 290949312 315195088 346176896 472792632 512192018 519265344 581898624 630390176 768288027 945585264 1024384036 1038530688 1260780352 1536576054 1891170528 2048768072 2521560704 3073152108 3329248117 3782341056 4097536144 6146304216 6658496234 7564682112 8195072288 9987744351 12292608432 13316992468 16390144576 19975488702 24585216864 26633984936 32780289152 39950977404 49170433728 53267969872 79901954808 98340867456 106535939744 159803909616 213071879488 319607819232 426143758976 639215638464 1278431276928
• Sum of all divisors σ(n): 3681681166800
• Sum of proper divisors (its aliquot sum) s(n): 2403249889872
• 1278431276928 is an abundant number, because the sum of its proper divisors (2403249889872) is greater than itself. Its abundance is 1124818612944

Bases of 1278431276928

• Binary: 10010100110101000011100010010111110000000₂
• Hexadecimal: 0x129A8712F80
• Base-36: GBAWZ2IO

Squares and roots of 1278431276928

• 1278431276928 squared (1278431276928²) is 1634386529827756625117184
• 1278431276928 cubed (1278431276928³) is 2089450858321621662146173338755530752
• The square root of 1278431276928 is 1130677.3531507563
• The cube root of 1278431276928 is 10853.2330598359

Scales and comparisons

• 1,278,431,276,928 seconds is equal to 40,650 years, 8 weeks, 2 days, 7 hours, 8 minutes, 48 seconds.
• To count from 1 to 1,278,431,276,928 would take you about one hundred one thousand, six hundred twenty-five 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 1278431276928 cubic inches would be around 904.4 feet tall.

Recreational maths with 1278431276928

• 1278431276928 backwards is 8296721348721
• The number of decimal digits it has is: 13
• The sum of 1278431276928's digits is 60
• More coming soon!