642125164928

Names of 642125164928

• Cardinal: 642125164928 can be written as Six hundred forty-two billion, one hundred twenty-five million, one hundred sixty-four thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 6.42125164928 × 10¹¹

Factors of 642125164928

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4729

Divisors of 642125164928

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 38 52 61 64 73 76 104 122 128 146 152 208 244 247 292 304 416 488 494 584 608 793 832 949 976 988 1159 1168 1216 1387 1586 1664 1898 1952 1976 2318 2336 2432 2774 3172 3796 3904 3952 4453 4561 4636 4672 5548 6344 7592 7808 7904 8906 9122 9272 9344 11096 12688 15067 15184 15808 17812 18031 18244 18544 22192 25376 30134 30368 31616 35624 36062 36488 37088 44384 50752 57889 59293 60268 60736 71248 72124 72976 74176 84607 86659 88768 101504 115778 118586 120536 121472 142496 144248 145952 148352 169214 173318 177536 231556 237172 241072 278221 284992 288496 291904 332953 338428 346636 463112 474344 482144 556442 569984 576992 583808 665906 676856 693272 926224 948688 964288 1099891 1112884 1126567 1153984 1331812 1353712 1386544 1852448 1897376 1928576 2199782 2225768 2253134 2307968 2663624 2707424 2773088 3616873 3704896 3794752 4328389 4399564 4451536 4506268 5286199 5327248 5414848 5546176 6326107 7233746 7409792 7589504 8656778 8799128 8903072 9012536 10572398 10654496 10829696 11092352 12652214 14467492 17313556 17598256 17806144 18025072 20310133 21144796 21308992 25304428 28934984 34627112 35196512 35612288 36050144 40620266 42289592 42617984 50608856 57869968 68720587 69254224 70393024 72100288 81240532 82239391 84579184 101217712 115739936 137441174 138508448 140786048 144200576 162481064 164478782 169158368 202435424 231479872 264031729 274882348 277016896 324962128 328957564 338316736 385892527 404870848 462959744 528063458 549764696 554033792 649924256 657915128 676633472 771785054 809741696 1056126916 1099529392 1299848512 1315830256 1543570108 2112253832 2199058784 2599697024 2631660512 3087140216 4224507664 4398117568 5016602851 5263321024 6174280432 8449015328 8796235136 10033205702 10526642048 12348560864 16898030656 20066411404 24697121728 33796061312 40132822808 49394243456 80265645616 160531291232 321062582464 642125164928
• Sum of all divisors σ(n): 1494434558400
• Sum of proper divisors (its aliquot sum) s(n): 852309393472
• 642125164928 is an abundant number, because the sum of its proper divisors (852309393472) is greater than itself. Its abundance is 210184228544

Bases of 642125164928

• Binary: 1001010110000001101001000111000110000000₂
• Hexadecimal: 0x9581A47180
• Base-36: 86ZKQS8W

Squares and roots of 642125164928

• 642125164928 squared (642125164928²) is 412324727433811201245184
• 642125164928 cubed (642125164928³) is 264764083607328663803177574965706752
• The square root of 642125164928 is 801327.1272882255
• The cube root of 642125164928 is 8627.2668238679

Scales and comparisons

• 642,125,164,928 seconds is equal to 20,417 years, 30 weeks, 6 days, 5 hours, 22 minutes, 8 seconds.
• To count from 1 to 642,125,164,928 would take you about forty thousand, eight hundred thirty-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 642125164928 cubic inches would be around 718.9 feet tall.

Recreational maths with 642125164928

• 642125164928 backwards is 829461521246
• The number of decimal digits it has is: 12
• The sum of 642125164928's digits is 50
• More coming soon!