20440086840

Names of 20440086840

• Cardinal: 20440086840 can be written as Twenty billion, four hundred forty million, eighty-six thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.044008684 × 10¹⁰

Factors of 20440086840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2827

Divisors of 20440086840

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 31 36 40 45 60 62 72 90 93 120 124 155 180 186 248 279 310 360 372 465 558 620 744 930 1063 1116 1240 1395 1723 1860 2126 2232 2790 3189 3446 3720 4252 5169 5315 5580 6378 6892 8504 8615 9567 10338 10630 11160 12756 13784 15507 15945 17230 19134 20676 21260 25512 25845 31014 31890 32953 34460 38268 41352 42520 47835 51690 53413 62028 63780 65906 68920 76536 77535 95670 98859 103380 106826 124056 127560 131812 155070 160239 164765 191340 197718 206760 213652 263624 267065 296577 310140 320478 329530 382680 395436 427304 480717 494295 534130 593154 620280 640956 659060 790872 801195 961434 988590 1068260 1186308 1281912 1318120 1482885 1602390 1831549 1922868 1977180 2136520 2372616 2403585 2965770 3204780 3663098 3845736 3954360 4807170 5494647 5931540 6409560 7326196 9157745 9614340 10989294 11863080 14652392 16483941 18315490 19228680 21978588 27473235 32967882 36630980 43957176 54946470 56778019 65935764 73261960 82419705 109892940 113556038 131871528 164839410 170334057 219785880 227112076 283890095 329678820 340668114 454224152 511002171 567780190 659357640 681336228 851670285 1022004342 1135560380 1362672456 1703340570 2044008684 2271120760 2555010855 3406681140 4088017368 5110021710 6813362280 10220043420 20440086840
• Sum of all divisors σ(n): 68677539840
• Sum of proper divisors (its aliquot sum) s(n): 48237453000
• 20440086840 is an abundant number, because the sum of its proper divisors (48237453000) is greater than itself. Its abundance is 27797366160

Bases of 20440086840

• Binary: 10011000010010100101111100100111000₂
• Hexadecimal: 0x4C252F938
• Base-36: 9E1HZY0

Squares and roots of 20440086840

• 20440086840 squared (20440086840²) is 417797150026741185600
• 20440086840 cubed (20440086840³) is 8539810028051098155868557504000
• The square root of 20440086840 is 142968.8317081733
• The cube root of 20440086840 is 2734.1830009039

Scales and comparisons

• 20,440,086,840 seconds is equal to 649 years, 48 weeks, 3 days, 1 hour, 54 minutes.
• To count from 1 to 20,440,086,840 would take you about one thousand, two hundred ninety-nine 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 20440086840 cubic inches would be around 227.8 feet tall.

Recreational maths with 20440086840

• 20440086840 backwards is 04868004402
• 20440086840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20440086840's digits is 36
• More coming soon!