38406358640

Names of 38406358640

• Cardinal: 38406358640 can be written as Thirty-eight billion, four hundred six million, three hundred fifty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.840635864 × 10¹⁰

Factors of 38406358640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1249

Divisors of 38406358640

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 23 26 40 46 52 65 80 92 104 113 115 130 169 184 208 226 230 260 299 338 368 452 460 520 565 598 676 845 904 920 1040 1093 1130 1196 1352 1469 1495 1690 1808 1840 2186 2260 2392 2599 2704 2938 2990 3380 3887 4372 4520 4784 5198 5465 5876 5980 6760 7345 7774 8744 9040 10396 10930 11752 11960 12995 13520 14209 14690 15548 17488 19097 19435 20792 21860 23504 23920 25139 25990 28418 29380 31096 33787 38194 38870 41584 43720 50278 51980 56836 58760 62192 67574 71045 76388 77740 87440 95485 100556 103960 113672 117520 123509 125695 135148 142090 152776 155480 168935 184717 190970 201112 207920 227344 247018 251390 270296 284180 305552 310960 326807 337870 369434 381940 402224 439231 494036 502780 540592 568360 617545 653614 675740 738868 763880 878462 923585 988072 1005560 1136720 1235090 1307228 1351480 1477736 1527760 1605617 1634035 1756924 1847170 1976144 2011120 2196155 2470180 2614456 2702960 2840707 2955472 3211234 3268070 3513848 3694340 4248491 4392310 4940360 5228912 5681414 6422468 6536140 7027696 7388680 8028085 8496982 8784620 9880720 11362828 12844936 13072280 14203535 14777360 16056170 16993964 17569240 20873021 21242455 22725656 25689872 26144560 28407070 32112340 33987928 35138480 36929191 41746042 42484910 45451312 56814140 64224680 67975856 73858382 83492084 84969820 104365105 113628280 128449360 147716764 166984168 169939640 184645955 208730210 227256560 295433528 333968336 339879280 369291910 417460420 480079483 590867056 738583820 834920840 960158966 1477167640 1669841680 1920317932 2400397415 2954335280 3840635864 4800794830 7681271728 9601589660 19203179320 38406358640
• Sum of all divisors σ(n): 101881996992
• Sum of proper divisors (its aliquot sum) s(n): 63475638352
• 38406358640 is an abundant number, because the sum of its proper divisors (63475638352) is greater than itself. Its abundance is 25069279712

Bases of 38406358640

• Binary: 100011110001001100101000011001110000₂
• Hexadecimal: 0x8F1328670
• Base-36: HN65JZK

Squares and roots of 38406358640

• 38406358640 squared (38406358640²) is 1475048383984302649600
• 38406358640 cubed (38406358640³) is 56651237246653559690839852544000
• The square root of 38406358640 is 195975.4031504975
• The cube root of 38406358640 is 3373.9168691475

Scales and comparisons

• 38,406,358,640 seconds is equal to 1,221 years, 10 weeks, 4 days, 57 minutes, 20 seconds.
• To count from 1 to 38,406,358,640 would take you about two thousand, four hundred forty-two 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 38406358640 cubic inches would be around 281.2 feet tall.

Recreational maths with 38406358640

• 38406358640 backwards is 04685360483
• The number of decimal digits it has is: 11
• The sum of 38406358640's digits is 47
• More coming soon!