20688466400

Names of 20688466400

• Cardinal: 20688466400 can be written as Twenty billion, six hundred eighty-eight million, four hundred sixty-six thousand, four hundred.

Scientific notation

• Scientific notation: 2.06884664 × 10¹⁰

Factors of 20688466400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2022

Divisors of 20688466400

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 70 80 98 100 112 140 160 175 196 200 224 245 280 311 350 392 400 490 560 622 700 784 800 980 1120 1225 1244 1400 1555 1568 1697 1960 2177 2450 2488 2800 3110 3394 3920 4354 4900 4976 5600 6220 6788 7775 7840 8485 8708 9800 9952 10885 11879 12440 13576 15239 15550 16970 17416 19600 21770 23758 24880 27152 30478 31100 33940 34832 39200 42425 43540 47516 49760 54304 54425 59395 60956 62200 67880 69664 76195 83153 84850 87080 95032 108850 118790 121912 124400 135760 152390 166306 169700 174160 190064 217700 237580 243824 248800 271520 296975 304780 332612 339400 348320 380128 380975 415765 435400 475160 487648 527767 593950 609560 665224 678800 761950 831530 870800 950320 1055534 1187900 1219120 1330448 1357600 1523900 1663060 1741600 1900640 2078825 2111068 2375800 2438240 2638835 2660896 3047800 3326120 3694369 4157650 4222136 4751600 5277670 6095600 6652240 7388738 8315300 8444272 9503200 10555340 12191200 13194175 13304480 14777476 16630600 16888544 18471845 21110680 25860583 26388350 29554952 33261200 36943690 42221360 51721166 52776700 59109904 66522400 73887380 84442720 92359225 103442332 105553400 118219808 129302915 147774760 184718450 206884664 211106800 258605830 295549520 369436900 413769328 422213600 517211660 591099040 646514575 738873800 827538656 1034423320 1293029150 1477747600 2068846640 2586058300 2955495200 4137693280 5172116600 10344233200 20688466400
• Sum of all divisors σ(n): 58975194096
• Sum of proper divisors (its aliquot sum) s(n): 38286727696
• 20688466400 is an abundant number, because the sum of its proper divisors (38286727696) is greater than itself. Its abundance is 17598261296

Bases of 20688466400

• Binary: 10011010001001000001111000111100000₂
• Hexadecimal: 0x4D120F1E0
• Base-36: 9I5DMU8

Squares and roots of 20688466400

• 20688466400 squared (20688466400²) is 428012641983928960000
• 20688466400 cubed (20688466400³) is 8854925162459743628946944000000
• The square root of 20688466400 is 143834.8580838455
• The cube root of 20688466400 is 2745.2133326347

Scales and comparisons

• 20,688,466,400 seconds is equal to 657 years, 43 weeks, 20 hours, 13 minutes, 20 seconds.
• To count from 1 to 20,688,466,400 would take you about one thousand, three hundred fifteen 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 20688466400 cubic inches would be around 228.8 feet tall.

Recreational maths with 20688466400

• 20688466400 backwards is 00466488602
• The number of decimal digits it has is: 11
• The sum of 20688466400's digits is 44
• More coming soon!