21228267424

Names of 21228267424

• Cardinal: 21228267424 can be written as Twenty-one billion, two hundred twenty-eight million, two hundred sixty-seven thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.1228267424 × 10¹⁰

Factors of 21228267424

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1151

Divisors of 21228267424

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 61 91 104 112 122 127 182 208 224 244 254 364 416 427 488 508 728 793 854 889 941 976 1016 1456 1586 1651 1708 1778 1882 1952 2032 2912 3172 3302 3416 3556 3764 4064 5551 6344 6587 6604 6832 7112 7528 7747 11102 11557 12233 12688 13174 13208 13664 14224 15056 15494 22204 23114 24466 25376 26348 26416 28448 30112 30988 44408 46228 48932 52696 52832 54229 57401 61976 85631 88816 92456 97864 100711 105392 108458 114802 119507 123952 171262 177632 184912 195728 201422 210784 216916 229604 239014 247904 342524 369824 391456 401807 402844 433832 459208 478028 685048 704977 746213 803614 805688 836549 867664 918416 956056 1370096 1409954 1492426 1553591 1607228 1611376 1673098 1735328 1836832 1912112 2740192 2819908 2984852 3107182 3214456 3222752 3346196 3824224 5223491 5639816 5969704 6214364 6428912 6692392 7289927 10446982 10875137 11279632 11939408 12428728 12857824 13384784 14579854 20893964 21750274 22559264 23878816 24857456 26769568 29159708 41787928 43500548 49714912 51029489 58319416 83575856 87001096 94769051 102058978 116638832 167151712 174002192 189538102 204117956 233277664 348004384 379076204 408235912 663383357 758152408 816471824 1326766714 1516304816 1632943648 2653533428 3032609632 5307066856 10614133712 21228267424
• Sum of all divisors σ(n): 52748623872
• Sum of proper divisors (its aliquot sum) s(n): 31520356448
• 21228267424 is an abundant number, because the sum of its proper divisors (31520356448) is greater than itself. Its abundance is 10292089024

Bases of 21228267424

• Binary: 10011110001010011011010011110100000₂
• Hexadecimal: 0x4F14DA7A0
• Base-36: 9R2RFZ4

Squares and roots of 21228267424

• 21228267424 squared (21228267424²) is 450639337824859595776
• 21228267424 cubed (21228267424³) is 9566292375120397974385468801024
• The square root of 21228267424 is 145699.2361819375
• The cube root of 21228267424 is 2768.8845628157

Scales and comparisons

• 21,228,267,424 seconds is equal to 674 years, 51 weeks, 4 days, 12 hours, 57 minutes, 4 seconds.
• To count from 1 to 21,228,267,424 would take you about one thousand, three hundred forty-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 21228267424 cubic inches would be around 230.7 feet tall.

Recreational maths with 21228267424

• 21228267424 backwards is 42476282212
• The number of decimal digits it has is: 11
• The sum of 21228267424's digits is 40
• More coming soon!