20001344640

Names of 20001344640

• Cardinal: 20001344640 can be written as Twenty billion, one million, three hundred forty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.000134464 × 10¹⁰

Factors of 20001344640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 706

Divisors of 20001344640

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 115 120 128 138 160 184 192 230 240 276 320 345 368 384 460 480 552 640 673 690 736 920 960 1104 1346 1380 1472 1840 1920 2019 2208 2692 2760 2944 3365 3680 4038 4416 5384 5520 6730 7360 8076 8832 10095 10768 11040 13460 14720 15479 16152 20190 21536 22080 26920 30958 32304 40380 43072 44160 46437 53840 61916 64608 77395 80760 86144 92874 107680 123832 129216 154790 161520 185748 215360 232185 247664 258432 309580 323040 371496 430720 452929 464370 495328 619160 646080 742992 905858 928740 990656 1238320 1292160 1358787 1485984 1811716 1857480 1981312 2264645 2476640 2717574 2971968 3623432 3714960 4529290 4953280 5435148 5943936 6793935 7246864 7429920 9058580 9906560 10417367 10870296 13587870 14493728 14859840 18117160 20834734 21740592 27175740 28987456 29719680 31252101 36234320 41669468 43481184 52086835 54351480 57974912 62504202 72468640 83338936 86962368 104173670 108702960 125008404 144937280 156260505 166677872 173924736 208347340 217405920 250016808 289874560 312521010 333355744 416694680 434811840 500033616 625042020 666711488 833389360 869623680 1000067232 1250084040 1333422976 1666778720 2000134464 2500168080 3333557440 4000268928 5000336160 6667114880 10000672320 20001344640
• Sum of all divisors σ(n): 66625208640
• Sum of proper divisors (its aliquot sum) s(n): 46623864000
• 20001344640 is an abundant number, because the sum of its proper divisors (46623864000) is greater than itself. Its abundance is 26622519360

Bases of 20001344640

• Binary: 10010101000001011000100110010000000₂
• Hexadecimal: 0x4A82C4C80
• Base-36: 96SA8AO

Squares and roots of 20001344640

• 20001344640 squared (20001344640²) is 400053787408056729600
• 20001344640 cubed (20001344640³) is 8001613676485834961400889344000
• The square root of 20001344640 is 141426.1101777179
• The cube root of 20001344640 is 2714.4784471401

Scales and comparisons

• 20,001,344,640 seconds is equal to 635 years, 51 weeks, 1 hour, 4 minutes.
• To count from 1 to 20,001,344,640 would take you about one thousand, two hundred seventy-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 20001344640 cubic inches would be around 226.2 feet tall.

Recreational maths with 20001344640

• 20001344640 backwards is 04644310002
• 20001344640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20001344640's digits is 24
• More coming soon!