813991464

Names of 813991464

• Cardinal: 813991464 can be written as Eight hundred thirteen million, nine hundred ninety-one thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 8.13991464 × 10⁸

Factors of 813991464

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 121

Divisors of 813991464

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 18 19 22 24 26 27 33 36 38 39 44 52 54 57 66 72 73 76 78 88 99 104 108 114 117 132 143 146 152 156 171 198 209 216 219 228 234 247 264 286 292 297 312 342 351 361 396 418 429 438 456 468 494 513 572 584 594 627 657 684 702 722 741 792 803 836 858 876 936 949 988 1026 1083 1144 1188 1254 1287 1314 1368 1387 1404 1444 1482 1606 1672 1716 1752 1881 1898 1971 1976 2052 2166 2223 2376 2409 2508 2574 2628 2717 2774 2808 2847 2888 2964 3212 3249 3432 3762 3796 3861 3942 3971 4104 4161 4332 4446 4693 4818 5016 5148 5256 5434 5548 5643 5694 5928 6424 6498 6669 7227 7524 7592 7722 7884 7942 8151 8322 8541 8664 8892 9386 9636 9747 10296 10439 10868 11096 11286 11388 11913 12483 12996 13338 14079 14454 15048 15257 15444 15768 15884 16302 16644 17082 17784 18031 18772 19272 19494 20878 21681 21736 22572 22776 23826 24453 24966 25623 25992 26353 26676 28158 28908 30514 30888 31317 31768 32604 33288 34164 35739 36062 37449 37544 38988 41756 42237 43362 45144 45771 47652 48906 49932 51246 51623 52706 53352 54093 56316 57816 61028 62634 65208 68328 71478 72124 73359 74898 77976 79059 83512 84474 86724 91542 93951 95304 97812 99864 102492 103246 105412 107217 108186 112632 122056 125268 126711 137313 142956 144248 146718 149796 154869 158118 162279 168948 173448 183084 187902 195624 198341 204984 206492 210824 214434 216372 237177 250536 253422 274626 281853 285912 289883 293436 299592 309738 316236 324558 337896 342589 366168 375804 396682 411939 412984 428868 432744 464607 474354 486837 506844 549252 563706 579766 586872 595023 619476 632472 649116 685178 711531 751608 793364 823878 857736 869649 929214 948708 973674 1013688 1027767 1098504 1127412 1159532 1190046 1238952 1298232 1370356 1393821 1423062 1586728 1647756 1739298 1785069 1858428 1897416 1947348 2055534 2254824 2319064 2380092 2608947 2740712 2787642 2846124 3083301 3295512 3478596 3570138 3716856 3768479 3894696 4111068 4760184 5217894 5355207 5575284 5692248 6166602 6957192 7140276 7536958 7826841 8222136 9249903 10435788 10710414 11150568 11305437 12333204 14280552 15073916 15653682 18499806 20871576 21420828 22610874 24666408 30147832 31307364 33916311 36999612 42841656 45221748 62614728 67832622 73999224 90443496 101748933 135665244 203497866 271330488 406995732 813991464
• Sum of all divisors σ(n): 2841955200
• Sum of proper divisors (its aliquot sum) s(n): 2027963736
• 813991464 is an abundant number, because the sum of its proper divisors (2027963736) is greater than itself. Its abundance is 1213972272

Bases of 813991464

• Binary: 110000100001001000011000101000₂
• Hexadecimal: 0x30848628
• Base-36: DGMNU0

Squares and roots of 813991464

• 813991464 squared (813991464²) is 662582103464863296
• 813991464 cubed (813991464³) is 539336176419563546870905344
• The square root of 813991464 is 28530.5356416595
• The cube root of 813991464 is 933.6984049167

Scales and comparisons

• 813,991,464 seconds is equal to 25 years, 45 weeks, 6 days, 4 hours, 44 minutes, 24 seconds.
• To count from 1 to 813,991,464 would take you about thirty-eight 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 813991464 cubic inches would be around 77.8 feet tall.

Recreational maths with 813991464

• 813991464 backwards is 464199318
• The number of decimal digits it has is: 9
• The sum of 813991464's digits is 45
• More coming soon!