21424274144

Names of 21424274144

• Cardinal: 21424274144 can be written as Twenty-one billion, four hundred twenty-four million, two hundred seventy-four thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1424274144 × 10¹⁰

Factors of 21424274144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3217

Divisors of 21424274144

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 13 14 16 19 26 28 32 38 52 56 76 91 104 112 127 133 152 182 208 224 247 254 266 304 364 416 494 508 532 608 728 889 988 1016 1064 1456 1651 1729 1778 1976 2032 2128 2413 2912 3049 3302 3458 3556 3952 4064 4256 4826 6098 6604 6916 7112 7904 9652 11557 12196 13208 13832 14224 16891 19304 21343 23114 24392 26416 27664 28448 31369 33782 38608 39637 42686 46228 48784 52832 55328 57931 62738 67564 77216 79274 85372 92456 97568 115862 125476 135128 158548 170744 184912 219583 231724 250952 270256 277459 317096 341488 369824 387223 405517 439166 463448 501904 540512 554918 634192 682976 753103 774446 811034 878332 926896 1003808 1109836 1268384 1506206 1548892 1622068 1756664 1853792 2219672 2710561 3012412 3097784 3244136 3513328 4439344 5033899 5271721 5421122 6024824 6195568 6488272 7026656 7357237 8878688 10067798 10543442 10842244 12049648 12391136 12976544 14714474 20135596 21086884 21684488 24099296 29428948 35237293 40271192 42173768 43368976 51500659 58857896 70474586 80542384 84347536 86737952 95644081 103001318 117715792 140949172 161084768 168695072 191288162 206002636 235431584 281898344 382576324 412005272 563796688 669508567 765152648 824010544 1127593376 1339017134 1530305296 1648021088 2678034268 3060610592 5356068536 10712137072 21424274144
• Sum of all divisors σ(n): 55093248000
• Sum of proper divisors (its aliquot sum) s(n): 33668973856
• 21424274144 is an abundant number, because the sum of its proper divisors (33668973856) is greater than itself. Its abundance is 12244699712

Bases of 21424274144

• Binary: 10011111100111111000111101011100000₂
• Hexadecimal: 0x4FCFC7AE0
• Base-36: 9UBGJQ8

Squares and roots of 21424274144

• 21424274144 squared (21424274144²) is 458999522597266932736
• 21424274144 cubed (21424274144³) is 9833731604088969672082071977984
• The square root of 21424274144 is 146370.3321851803
• The cube root of 21424274144 is 2777.3804380389

Scales and comparisons

• 21,424,274,144 seconds is equal to 681 years, 11 weeks, 5 days, 3 hours, 15 minutes, 44 seconds.
• To count from 1 to 21,424,274,144 would take you about one thousand, three hundred sixty-two 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 21424274144 cubic inches would be around 231.4 feet tall.

Recreational maths with 21424274144

• 21424274144 backwards is 44147242412
• The number of decimal digits it has is: 11
• The sum of 21424274144's digits is 35
• More coming soon!