813316140

Names of 813316140

• Cardinal: 813316140 can be written as Eight hundred thirteen million, three hundred sixteen thousand, one hundred forty.

Scientific notation

• Scientific notation: 8.1331614 × 10⁸

Factors of 813316140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 643

Divisors of 813316140

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 27 28 30 35 36 39 42 45 52 54 60 63 65 70 78 81 84 90 91 105 108 117 126 130 135 140 156 162 180 182 189 195 210 234 243 252 260 270 273 315 324 351 364 378 390 405 420 455 468 486 540 546 567 585 613 630 702 729 756 780 810 819 910 945 972 1053 1092 1134 1170 1215 1226 1260 1365 1404 1458 1620 1638 1701 1755 1820 1839 1890 2106 2268 2340 2430 2452 2457 2730 2835 2916 3065 3159 3276 3402 3510 3645 3678 3780 4095 4212 4291 4860 4914 5103 5265 5460 5517 5670 6130 6318 6804 7020 7290 7356 7371 7969 8190 8505 8582 9195 9477 9828 10206 10530 11034 11340 12260 12285 12636 12873 14580 14742 15795 15938 16380 16551 17010 17164 18390 18954 20412 21060 21455 22068 22113 23907 24570 25515 25746 27585 29484 31590 31876 33102 34020 36780 36855 37908 38619 39845 42910 44226 47385 47814 49140 49653 51030 51492 55170 55783 63180 64365 66204 66339 71721 73710 77238 79690 82755 85820 88452 94770 95628 99306 102060 110340 110565 111566 115857 119535 128730 132678 143442 147420 148959 154476 159380 165510 167349 189540 193095 198612 215163 221130 223132 231714 239070 248265 257460 265356 278915 286884 297918 331020 331695 334698 347571 358605 386190 430326 442260 446877 463428 478140 496530 502047 557830 579285 595836 645489 663390 669396 695142 717210 744795 772380 836745 860652 893754 993060 1004094 1042713 1075815 1115660 1158570 1290978 1326780 1390284 1434420 1489590 1506141 1673490 1737855 1787508 1936467 2008188 2085426 2151630 2234385 2317140 2510235 2581956 2979180 3012282 3128139 3227445 3346980 3475710 3872934 4170852 4303260 4468770 4518423 5020470 5213565 5809401 6024564 6256278 6454890 6951420 7530705 7745868 8937540 9036846 9682335 10040940 10427130 11618802 12512556 12909780 13555269 15061410 15640695 18073692 19364670 20854260 22592115 23237604 27110538 29047005 30122820 31281390 38729340 40665807 45184230 54221076 58094010 62562780 67776345 81331614 90368460 116188020 135552690 162663228 203329035 271105380 406658070 813316140
• Sum of all divisors σ(n): 3156863808
• Sum of proper divisors (its aliquot sum) s(n): 2343547668
• 813316140 is an abundant number, because the sum of its proper divisors (2343547668) is greater than itself. Its abundance is 1530231528

Bases of 813316140

• Binary: 110000011110100011100000101100₂
• Hexadecimal: 0x307A382C
• Base-36: DG86R0

Squares and roots of 813316140

• 813316140 squared (813316140²) is 661483143584499600
• 813316140 cubed (813316140³) is 537994917015210978503544000
• The square root of 813316140 is 28518.6980768759
• The cube root of 813316140 is 933.4401207179

Scales and comparisons

• 813,316,140 seconds is equal to 25 years, 44 weeks, 5 days, 9 hours, 9 minutes.
• To count from 1 to 813,316,140 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 813316140 cubic inches would be around 77.8 feet tall.

Recreational maths with 813316140

• 813316140 backwards is 041613318
• 813316140 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 813316140's digits is 27
• More coming soon!