21371721162756

Names of 21371721162756

• Cardinal: 21371721162756 can be written as Twenty-one trillion, three hundred seventy-one billion, seven hundred twenty-one million, one hundred sixty-two thousand, seven hundred fifty-six.

Scientific notation

• Scientific notation: 2.1371721162756 × 10¹³

Factors of 21371721162756

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 185883

Divisors of 21371721162756

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 29 47 58 87 94 116 141 174 188 282 348 564 1363 2726 4089 5452 7321 8178 14642 16356 21963 29284 43926 87852 178481 212309 344087 356962 424618 535443 636927 688174 713924 849236 1032261 1070886 1273854 1376348 2064522 2141772 2547708 4129044 5175949 8388607 9978523 10351898 15527847 16777214 19957046 20703796 25165821 29935569 31055694 33554428 39914092 50331642 59871138 62111388 100663284 119742276 243269603 486539206 729808809 973078412 1306659401 1459617618 2613318802 2919235236 3919978203 5226637604 7839956406 15679912812 37893122629 61412991847 75786245258 113679367887 122825983694 151572490516 184238975541 227358735774 245651967388 368477951082 454717471548 736955902164 1780976763563 3561953527126 5342930290689 7123907054252 10685860581378 21371721162756
• Sum of all divisors σ(n): 52691998625280
• Sum of proper divisors (its aliquot sum) s(n): 31320277462524
• 21371721162756 is an abundant number, because the sum of its proper divisors (31320277462524) is greater than itself. Its abundance is 9948556299768

Bases of 21371721162756

• Binary: 100110110111111111101110110010010000000000100₂
• Hexadecimal: 0x136FFDD92004
• Base-36: 7KQ16Z8JO

Squares and roots of 21371721162756

• 21371721162756 squared (21371721162756²) is 456750465458592672641515536
• 21371721162756 cubed (21371721162756³) is 9761543588740058408517512080999958577216
• The square root of 21371721162756 is 4622955.8902022849
• The cube root of 21371721162756 is 27751.0764023689

Scales and comparisons

• 21,371,721,162,756 seconds is equal to 679,554 years, 32 weeks, 3 days, 19 hours, 52 minutes, 36 seconds.
• To count from 1 to 21,371,721,162,756 would take you about one million, six hundred ninety-eight thousand, eight hundred eighty-six 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 21371721162756 cubic inches would be around 2312.6 feet tall.

Recreational maths with 21371721162756

• 21371721162756 backwards is 65726112717312
• The number of decimal digits it has is: 14
• The sum of 21371721162756's digits is 51
• More coming soon!