20387448960

Names of 20387448960

• Cardinal: 20387448960 can be written as Twenty billion, three hundred eighty-seven million, four hundred forty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.038744896 × 10¹⁰

Factors of 20387448960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 246994

Divisors of 20387448960

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 43 48 60 64 80 86 96 120 128 129 160 172 192 215 240 258 320 344 384 430 480 516 640 645 688 860 960 1032 1290 1376 1720 1920 2064 2580 2752 3440 4128 5160 5504 6880 8256 10320 13760 16512 20640 27520 41280 82560 246941 493882 740823 987764 1234705 1481646 1975528 2469410 2963292 3704115 3951056 4938820 5926584 7408230 7902112 9877640 10618463 11853168 14816460 15804224 19755280 21236926 23706336 29632920 31608448 31855389 39510560 42473852 47412672 53092315 59265840 63710778 79021120 84947704 94825344 106184630 118531680 127421556 158042240 159276945 169895408 212369260 237063360 254843112 318553890 339790816 424738520 474126720 509686224 637107780 679581632 849477040 1019372448 1274215560 1359163264 1698954080 2038744896 2548431120 3397908160 4077489792 5096862240 6795816320 10193724480 20387448960
• Sum of all divisors σ(n): 66496541760
• Sum of proper divisors (its aliquot sum) s(n): 46109092800
• 20387448960 is an abundant number, because the sum of its proper divisors (46109092800) is greater than itself. Its abundance is 25721643840

Bases of 20387448960

• Binary: 10010111111001011111100100010000000₂
• Hexadecimal: 0x4BF2FC880
• Base-36: 9D65SAO

Squares and roots of 20387448960

• 20387448960 squared (20387448960²) is 415648075096605081600
• 20387448960 cubed (20387448960³) is 8474003916354283170396635136000
• The square root of 20387448960 is 142784.6243823193
• The cube root of 20387448960 is 2731.8339352581

Scales and comparisons

• 20,387,448,960 seconds is equal to 648 years, 13 weeks, 2 days, 20 hours, 16 minutes.
• To count from 1 to 20,387,448,960 would take you about one thousand, two hundred ninety-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 20387448960 cubic inches would be around 227.7 feet tall.

Recreational maths with 20387448960

• 20387448960 backwards is 06984478302
• The number of decimal digits it has is: 11
• The sum of 20387448960's digits is 51
• More coming soon!