831428928

Names of 831428928

• Cardinal: 831428928 can be written as Eight hundred thirty-one million, four hundred twenty-eight thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 8.31428928 × 10⁸

Factors of 831428928

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 147

Divisors of 831428928

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 17 18 22 24 27 31 32 33 34 36 44 48 51 54 62 64 66 68 72 83 88 93 96 99 102 108 124 132 136 144 153 166 176 186 187 192 198 204 216 248 249 264 272 279 288 297 306 332 341 352 372 374 396 408 432 459 496 498 527 528 544 558 561 576 594 612 664 682 704 744 747 748 792 816 837 864 913 918 992 996 1023 1054 1056 1088 1116 1122 1188 1224 1328 1364 1411 1488 1494 1496 1581 1584 1632 1674 1683 1728 1826 1836 1984 1992 2046 2108 2112 2232 2241 2244 2376 2448 2573 2656 2728 2739 2822 2976 2988 2992 3069 3162 3168 3264 3348 3366 3652 3672 3984 4092 4216 4233 4464 4482 4488 4743 4752 4896 5049 5146 5312 5456 5478 5644 5797 5952 5976 5984 6138 6324 6336 6696 6732 7304 7344 7719 7968 8184 8217 8432 8466 8928 8964 8976 9207 9486 9504 9792 10098 10292 10912 10956 11288 11594 11952 11968 12276 12648 12699 13392 13464 14229 14608 14688 15438 15521 15936 16368 16434 16864 16932 17391 17856 17928 17952 18414 18972 19008 20196 20584 21824 21912 22576 23157 23188 23904 24552 24651 25296 25398 26784 26928 28303 28458 29216 29376 30876 31042 32736 32868 33728 33864 34782 35856 35904 36828 37944 38097 40392 41168 43741 43824 45152 46314 46376 46563 47808 49104 49302 50592 50796 52173 53568 53856 56606 56916 58432 61752 62084 65472 65736 67728 69471 69564 71712 73656 75888 76194 80784 82336 84909 87482 87648 90304 92628 92752 93126 98208 98604 101184 101592 104346 107712 113212 113832 123504 124168 131223 131472 135456 138942 139128 139689 143424 147312 151776 152388 156519 161568 164672 169818 174964 175296 185256 185504 186252 196416 197208 203184 208692 226424 227664 247008 248336 254727 262446 262944 270912 277884 278256 279378 294624 303552 304776 313038 323136 339636 349928 370512 371008 372504 393669 394416 406368 417384 419067 452848 455328 481151 494016 496672 509454 524892 525888 555768 556512 558756 589248 609552 626076 679272 699856 741024 745008 764181 787338 788832 812736 834768 838134 905696 910656 962302 993344 1018908 1049784 1111536 1113024 1117512 1181007 1219104 1252152 1358544 1399712 1443453 1482048 1490016 1528362 1574676 1577664 1669536 1676268 1811392 1924604 2037816 2099568 2223072 2235024 2362014 2438208 2504304 2717088 2799424 2886906 2980032 3056724 3149352 3339072 3352536 3849208 4075632 4199136 4330359 4446144 4470048 4724028 5008608 5434176 5773812 6113448 6298704 6705072 7698416 8151264 8398272 8660718 8940096 9448056 10017216 11547624 12226896 12597408 12991077 13410144 15396832 16302528 17321436 18896112 23095248 24453792 25194816 25982154 26820288 30793664 34642872 37792224 46190496 48907584 51964308 69285744 75584448 92380992 103928616 138571488 207857232 277142976 415714464 831428928
• Sum of all divisors σ(n): 2949488640
• Sum of proper divisors (its aliquot sum) s(n): 2118059712
• 831428928 is an abundant number, because the sum of its proper divisors (2118059712) is greater than itself. Its abundance is 1286630784

Bases of 831428928

• Binary: 110001100011101001100101000000₂
• Hexadecimal: 0x318E9940
• Base-36: DR0EO0

Squares and roots of 831428928

• 831428928 squared (831428928²) is 691274062315229184
• 831428928 cubed (831428928³) is 574745252584956198527434752
• The square root of 831428928 is 28834.5093247657
• The cube root of 831428928 is 940.3186365079

Scales and comparisons

• 831,428,928 seconds is equal to 26 years, 22 weeks, 5 days, 28 minutes, 48 seconds.
• To count from 1 to 831,428,928 would take you about thirty-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 831428928 cubic inches would be around 78.4 feet tall.

Recreational maths with 831428928

• 831428928 backwards is 829824138
• The number of decimal digits it has is: 9
• The sum of 831428928's digits is 45
• More coming soon!