3868688640

Names of 3868688640

• Cardinal: 3868688640 can be written as Three billion, eight hundred sixty-eight million, six hundred eighty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.86868864 × 10⁹

Factors of 3868688640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 59290

Divisors of 3868688640

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 128 136 160 170 192 204 240 255 256 272 320 340 384 408 480 510 544 640 680 768 816 960 1020 1088 1280 1360 1632 1920 2040 2176 2720 3264 3840 4080 4352 5440 6528 8160 10880 13056 16320 21760 32640 59263 65280 118526 177789 237052 296315 355578 474104 592630 711156 888945 948208 1007471 1185260 1422312 1777890 1896416 2014942 2370520 2844624 3022413 3555780 3792832 4029884 4741040 5037355 5689248 6044826 7111560 7585664 8059768 9482080 10074710 11378496 12089652 14223120 15112065 15171328 16119536 18964160 20149420 22756992 24179304 28446240 30224130 32239072 37928320 40298840 45513984 48358608 56892480 60448260 64478144 75856640 80597680 96717216 113784960 120896520 128956288 161195360 193434432 227569920 241793040 257912576 322390720 386868864 483586080 644781440 773737728 967172160 1289562880 1934344320 3868688640
• Sum of all divisors σ(n): 13082646528
• Sum of proper divisors (its aliquot sum) s(n): 9213957888
• 3868688640 is an abundant number, because the sum of its proper divisors (9213957888) is greater than itself. Its abundance is 5345269248

Bases of 3868688640

• Binary: 11100110100101111000000100000000₂
• Hexadecimal: 0xE6978100
• Base-36: 1RZBF9C

Squares and roots of 3868688640

• 3868688640 squared (3868688640²) is 14966751793265049600
• 3868688640 cubed (3868688640³) is 57901702640304125896556544000
• The square root of 3868688640 is 62198.7832678421
• The cube root of 3868688640 is 1569.8371151017

Scales and comparisons

• 3,868,688,640 seconds is equal to 123 years, 4 days, 11 hours, 44 minutes.
• To count from 1 to 3,868,688,640 would take you about two hundred forty-six 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 3868688640 cubic inches would be around 130.8 feet tall.

Recreational maths with 3868688640

• 3868688640 backwards is 0468868683
• The number of decimal digits it has is: 10
• The sum of 3868688640's digits is 57
• More coming soon!