21389062500

Names of 21389062500

• Cardinal: 21389062500 can be written as Twenty-one billion, three hundred eighty-nine million, sixty-two thousand, five hundred.

Scientific notation

• Scientific notation: 2.13890625 × 10¹⁰

Factors of 21389062500

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 23

Divisors of 21389062500

• Number of divisors d(n): 405
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 25 26 27 30 36 39 45 50 52 54 60 65 75 78 81 90 100 108 117 125 130 135 150 156 162 169 180 195 225 234 250 260 270 300 324 325 338 351 375 390 405 450 468 500 507 540 585 625 650 675 676 702 750 780 810 845 900 975 1014 1053 1125 1170 1250 1300 1350 1404 1500 1521 1620 1625 1690 1755 1875 1950 2025 2028 2106 2250 2340 2500 2535 2700 2925 3042 3125 3250 3375 3380 3510 3750 3900 4050 4212 4225 4500 4563 4875 5070 5265 5625 5850 6084 6250 6500 6750 7020 7500 7605 8100 8125 8450 8775 9126 9375 9750 10125 10140 10530 11250 11700 12500 12675 13500 13689 14625 15210 15625 16250 16875 16900 17550 18252 18750 19500 20250 21060 21125 22500 22815 24375 25350 26325 27378 28125 29250 30420 31250 32500 33750 35100 37500 38025 40500 40625 42250 43875 45630 46875 48750 50625 50700 52650 54756 56250 58500 62500 63375 67500 68445 73125 76050 78125 81250 84375 84500 87750 91260 93750 97500 101250 105300 105625 112500 114075 121875 126750 131625 136890 140625 146250 152100 156250 162500 168750 175500 187500 190125 202500 203125 211250 219375 228150 234375 243750 253125 253500 263250 273780 281250 292500 312500 316875 337500 342225 365625 380250 390625 406250 421875 422500 438750 456300 468750 487500 506250 526500 528125 562500 570375 609375 633750 658125 684450 703125 731250 760500 781250 812500 843750 877500 937500 950625 1012500 1015625 1056250 1096875 1140750 1171875 1218750 1265625 1267500 1316250 1368900 1406250 1462500 1562500 1584375 1687500 1711125 1828125 1901250 2031250 2109375 2112500 2193750 2281500 2343750 2437500 2531250 2632500 2640625 2812500 2851875 3046875 3168750 3290625 3422250 3515625 3656250 3802500 4062500 4218750 4387500 4687500 4753125 5062500 5078125 5281250 5484375 5703750 6093750 6328125 6337500 6581250 6844500 7031250 7312500 7921875 8437500 8555625 9140625 9506250 10156250 10546875 10562500 10968750 11407500 12187500 12656250 13162500 13203125 14062500 14259375 15234375 15843750 16453125 17111250 18281250 19012500 20312500 21093750 21937500 23765625 25312500 26406250 27421875 28518750 30468750 31640625 31687500 32906250 34222500 36562500 39609375 42187500 42778125 45703125 47531250 52812500 54843750 57037500 60937500 63281250 65812500 66015625 71296875 79218750 82265625 85556250 91406250 95062500 109687500 118828125 126562500 132031250 137109375 142593750 158437500 164531250 171112500 182812500 198046875 213890625 237656250 264062500 274218750 285187500 329062500 356484375 396093750 411328125 427781250 475312500 548437500 594140625 712968750 792187500 822656250 855562500 1069453125 1188281250 1425937500 1645312500 1782421875 2138906250 2376562500 3564843750 4277812500 5347265625 7129687500 10694531250 21389062500
• Sum of all divisors σ(n): 75684043281
• Sum of proper divisors (its aliquot sum) s(n): 54294980781
• 21389062500 is an abundant number, because the sum of its proper divisors (54294980781) is greater than itself. Its abundance is 32905918281

Bases of 21389062500

• Binary: 10011111010111000110011000101100100₂
• Hexadecimal: 0x4FAE33164
• Base-36: 9TQHU90

Squares and roots of 21389062500

• 21389062500 squared (21389062500²) is 457491994628906250000
• 21389062500 cubed (21389062500³) is 9785324866367340087890625000000
• 21389062500 is a perfect square number. Its square root is 146250
• The cube root of 21389062500 is 2775.8580253957

Scales and comparisons

• 21,389,062,500 seconds is equal to 680 years, 5 weeks, 3 days, 14 hours, 15 minutes.
• To count from 1 to 21,389,062,500 would take you about one thousand, three hundred sixty 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 21389062500 cubic inches would be around 231.3 feet tall.

Recreational maths with 21389062500

• 21389062500 backwards is 00526098312
• 21389062500 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21389062500's digits is 36
• More coming soon!