381008320

Names of 381008320

• Cardinal: 381008320 can be written as Three hundred eighty-one million, eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 3.8100832 × 10⁸

Factors of 381008320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 72

Divisors of 381008320

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 47 49 55 56 64 70 77 80 88 94 98 110 112 140 154 160 176 188 196 220 224 235 245 280 308 320 329 352 376 385 392 440 448 470 490 517 539 560 616 658 704 752 770 784 880 940 980 1034 1078 1120 1232 1316 1504 1540 1568 1645 1760 1880 1960 2068 2156 2209 2240 2303 2464 2585 2632 2695 3008 3080 3136 3290 3520 3619 3760 3920 4136 4312 4418 4606 4928 5170 5264 5390 6160 6580 7238 7520 7840 8272 8624 8836 9212 10340 10528 10780 11045 11515 12320 13160 14476 15040 15463 15680 16544 17248 17672 18095 18424 20680 21056 21560 22090 23030 24299 24640 25333 26320 28952 30926 33088 34496 35344 36190 36848 41360 43120 44180 46060 48598 50666 52640 57904 61852 70688 72380 73696 77315 82720 86240 88360 92120 97196 101332 105280 108241 115808 121495 123704 126665 141376 144760 147392 154630 165440 170093 172480 176720 184240 194392 202664 216482 231616 242990 247408 253330 289520 309260 340186 353440 368480 388784 405328 432964 485980 494816 506660 541205 579040 618520 680372 706880 736960 777568 810656 850465 865928 971960 989632 1013320 1082410 1158080 1190651 1237040 1360744 1555136 1621312 1700930 1731856 1943920 2026640 2164820 2381302 2474080 2721488 3401860 3463712 3887840 4053280 4329640 4762604 4948160 5442976 5953255 6803720 6927424 7775680 8106560 8659280 9525208 10885952 11906510 13607440 17318560 19050416 23813020 27214880 34637120 38100832 47626040 54429760 76201664 95252080 190504160 381008320
• Sum of all divisors σ(n): 1176366456
• Sum of proper divisors (its aliquot sum) s(n): 795358136
• 381008320 is an abundant number, because the sum of its proper divisors (795358136) is greater than itself. Its abundance is 414349816

Bases of 381008320

• Binary: 10110101101011011100111000000₂
• Hexadecimal: 0x16B5B9C0
• Base-36: 6AUBWG

Squares and roots of 381008320

• 381008320 squared (381008320²) is 145167339909222400
• 381008320 cubed (381008320³) is 55309964297681779130368000
• The square root of 381008320 is 19519.4344180357
• The cube root of 381008320 is 724.9557293617

Scales and comparisons

• 381,008,320 seconds is equal to 12 years, 5 weeks, 6 days, 19 hours, 38 minutes, 40 seconds.
• To count from 1 to 381,008,320 would take you about eighteen 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 381008320 cubic inches would be around 60.4 feet tall.

Recreational maths with 381008320

• 381008320 backwards is 023800183
• The number of decimal digits it has is: 9
• The sum of 381008320's digits is 25
• More coming soon!