38385294640

Names of 38385294640

• Cardinal: 38385294640 can be written as Thirty-eight billion, three hundred eighty-five million, two hundred ninety-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.838529464 × 10¹⁰

Factors of 38385294640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1076

Divisors of 38385294640

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 44 49 55 56 70 77 80 88 98 110 112 121 140 154 176 196 220 242 245 280 308 343 385 392 440 484 490 539 560 605 616 686 770 784 847 880 968 980 1051 1078 1210 1232 1331 1372 1540 1694 1715 1936 1960 2102 2156 2420 2662 2695 2744 3080 3388 3430 3773 3920 4204 4235 4312 4840 5255 5324 5390 5488 5929 6160 6655 6776 6860 7357 7546 8408 8470 8624 9317 9680 10510 10648 10780 11561 11858 13310 13552 13720 14714 15092 16816 16940 18634 18865 21020 21296 21560 23122 23716 26620 27440 29428 29645 30184 33880 36785 37268 37730 41503 42040 43120 46244 46585 47432 51499 53240 57805 58856 59290 60368 65219 67760 73570 74536 75460 80927 83006 84080 92488 93170 94864 102998 106480 115610 117712 118580 127171 130438 147140 149072 150920 161854 166012 184976 186340 205996 207515 231220 237160 254342 257495 260876 294280 301840 323708 326095 332024 360493 372680 404635 411992 415030 456533 462440 474320 508684 514990 521752 566489 588560 635855 647416 652190 664048 720986 745360 809270 823984 830060 890197 913066 924880 1017368 1029980 1043504 1132978 1271710 1294832 1304380 1398881 1441972 1618540 1660120 1780394 1802465 1826132 2034736 2059960 2265956 2282665 2543420 2608760 2797762 2832445 2883944 3237080 3320240 3560788 3604930 3652264 3965423 4119920 4450985 4531912 4565330 5086840 5217520 5595524 5664890 5767888 6231379 6474160 6994405 7121576 7209860 7304528 7930846 8901970 9063824 9130660 9792167 10173680 11191048 11329780 12462758 13988810 14243152 14419720 15861692 17803940 18261320 19584334 19827115 22382096 22659560 24925516 27977620 28839440 31156895 31723384 35607880 36522640 39168668 39654230 43619653 45319120 48960835 49851032 55955240 62313790 63446768 68545169 71215760 78337336 79308460 87239306 97921670 99702064 111910480 124627580 137090338 156674672 158616920 174478612 195843340 218098265 249255160 274180676 317233840 342725845 348957224 391686680 436196530 479816183 498510320 548361352 685451690 697914448 783373360 872393060 959632366 1096722704 1370903380 1744786120 1919264732 2399080915 2741806760 3489572240 3838529464 4798161830 5483613520 7677058928 9596323660 19192647320 38385294640
• Sum of all divisors σ(n): 114585523200
• Sum of proper divisors (its aliquot sum) s(n): 76200228560
• 38385294640 is an abundant number, because the sum of its proper divisors (76200228560) is greater than itself. Its abundance is 37814933920

Bases of 38385294640

• Binary: 100011101111111100010001110100110000₂
• Hexadecimal: 0x8EFF11D30
• Base-36: HMTM2WG

Squares and roots of 38385294640

• 38385294640 squared (38385294640²) is 1473430844599612729600
• 38385294640 cubed (38385294640³) is 56558077101620187455590649344000
• The square root of 38385294640 is 195921.6543417291
• The cube root of 38385294640 is 3373.2999471597

Scales and comparisons

• 38,385,294,640 seconds is equal to 1,220 years, 27 weeks, 5 days, 5 hours, 50 minutes, 40 seconds.
• To count from 1 to 38,385,294,640 would take you about two thousand, four hundred forty-one 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 38385294640 cubic inches would be around 281.1 feet tall.

Recreational maths with 38385294640

• 38385294640 backwards is 04649258383
• The number of decimal digits it has is: 11
• The sum of 38385294640's digits is 52
• More coming soon!