21398268150

Names of 21398268150

• Cardinal: 21398268150 can be written as Twenty-one billion, three hundred ninety-eight million, two hundred sixty-eight thousand, one hundred fifty.

Scientific notation

• Scientific notation: 2.139826815 × 10¹⁰

Factors of 21398268150

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 107844

Divisors of 21398268150

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 49 50 54 63 70 75 81 90 98 105 126 135 147 150 162 175 189 210 225 245 270 294 315 350 378 405 441 450 490 525 567 630 675 735 810 882 945 1050 1134 1225 1323 1350 1470 1575 1890 2025 2205 2450 2646 2835 3150 3675 3969 4050 4410 4725 5670 6615 7350 7938 9450 11025 13230 14175 19845 22050 28350 33075 39690 66150 99225 107827 198450 215654 323481 539135 646962 754789 970443 1078270 1509578 1617405 1940886 2264367 2695675 2911329 3234810 3773945 4528734 4852215 5283523 5391350 5822658 6793101 7547890 8087025 8733987 9704430 10567046 11321835 13586202 14556645 15850569 16174050 17467974 18869725 20379303 22643670 24261075 26417615 29113290 31701138 33965505 37739450 40758606 43669935 47551707 48522150 52835230 56609175 61137909 67931010 72783225 79252845 87339870 95103414 101896515 113218350 122275818 132088075 142655121 145566450 158505690 169827525 203793030 218349675 237758535 264176150 285310242 305689545 339655050 396264225 427965363 436699350 475517070 509482575 611379090 713275605 792528450 855930726 1018965150 1188792675 1426551210 1528447725 2139826815 2377585350 3056895450 3566378025 4279653630 7132756050 10699134075 21398268150
• Sum of all divisors σ(n): 69163143588
• Sum of proper divisors (its aliquot sum) s(n): 47764875438
• 21398268150 is an abundant number, because the sum of its proper divisors (47764875438) is greater than itself. Its abundance is 26366607288

Bases of 21398268150

• Binary: 10011111011011011111010100011110110₂
• Hexadecimal: 0x4FB6FA8F6
• Base-36: 9TVZ5DI

Squares and roots of 21398268150

• 21398268150 squared (21398268150²) is 457885879819304422500
• 21398268150 cubed (21398268150³) is 9797964838472149579135893375000
• The square root of 21398268150 is 146281.4689220751
• The cube root of 21398268150 is 2776.2562026153

Scales and comparisons

• 21,398,268,150 seconds is equal to 680 years, 20 weeks, 5 days, 3 hours, 22 minutes, 30 seconds.
• To count from 1 to 21,398,268,150 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 21398268150 cubic inches would be around 231.4 feet tall.

Recreational maths with 21398268150

• 21398268150 backwards is 05186289312
• 21398268150 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21398268150's digits is 45
• More coming soon!