2121315040

Names of 2121315040

• Cardinal: 2121315040 can be written as Two billion, one hundred twenty-one million, three hundred fifteen thousand and forty.

Scientific notation

• Scientific notation: 2.12131504 × 10⁹

Factors of 2121315040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4168

Divisors of 2121315040

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 13 16 19 20 26 32 38 40 52 65 76 80 95 104 130 152 160 169 190 208 247 260 304 338 380 416 494 520 608 676 760 845 988 1040 1235 1352 1520 1690 1976 2080 2470 2704 3040 3211 3380 3952 4129 4940 5408 6422 6760 7904 8258 9880 12844 13520 16055 16516 19760 20645 25688 27040 32110 33032 39520 41290 51376 53677 64220 66064 78451 82580 102752 107354 128440 132128 156902 165160 214708 256880 268385 313804 330320 392255 429416 513760 536770 627608 660640 697801 784510 858832 1019863 1073540 1255216 1395602 1569020 1717664 2039726 2147080 2510432 2791204 3138040 3489005 4079452 4294160 5099315 5582408 6276080 6978010 8158904 8588320 10198630 11164816 12552160 13258219 13956020 16317808 20397260 22329632 26516438 27912040 32635616 40794520 53032876 55824080 66291095 81589040 106065752 111648160 132582190 163178080 212131504 265164380 424263008 530328760 1060657520 2121315040
• Sum of all divisors σ(n): 5713772400
• Sum of proper divisors (its aliquot sum) s(n): 3592457360
• 2121315040 is an abundant number, because the sum of its proper divisors (3592457360) is greater than itself. Its abundance is 1471142320

Bases of 2121315040

• Binary: 1111110011100001011001011100000₂
• Hexadecimal: 0x7E70B2E0
• Base-36: Z2Z55S

Squares and roots of 2121315040

• 2121315040 squared (2121315040²) is 4499977498930201600
• 2121315040 cubed (2121315040³) is 9545869948142220564312064000
• The square root of 2121315040 is 46057.7359408819
• The cube root of 2121315040 is 1284.8972226239

Scales and comparisons

• 2,121,315,040 seconds is equal to 67 years, 23 weeks, 3 days, 6 hours, 10 minutes, 40 seconds.
• To count from 1 to 2,121,315,040 would take you about one hundred thirty-four 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 2121315040 cubic inches would be around 107.1 feet tall.

Recreational maths with 2121315040

• 2121315040 backwards is 0405131212
• 2121315040 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2121315040's digits is 19
• More coming soon!