21348379694421

Names of 21348379694421

• Cardinal: 21348379694421 can be written as Twenty-one trillion, three hundred forty-eight billion, three hundred seventy-nine million, six hundred ninety-four thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 2.1348379694421 × 10¹³

Factors of 21348379694421

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1123

Divisors of 21348379694421

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 9 13 27 39 81 117 163 331 351 489 613 993 1053 1467 1839 2119 2979 4303 4401 5517 6357 7969 8937 12909 13203 16551 19071 23907 26811 38727 49653 53953 57213 71721 99919 116181 161859 171639 202903 215163 299757 348543 375769 485577 608709 645489 701389 899271 1127307 1298947 1456731 1826127 2104167 2637739 2697813 3381921 3896841 4370193 4884997 5478381 6312501 7913217 8093439 10145763 11690523 14654991 16435143 18937503 23739651 30437289 33073189 35071569 43964973 56812509 61250347 71218953 99219567 105214707 124379539 131894919 183751041 213656859 297658701 373138617 395684757 429951457 551253123 796254511 892976103 1119415851 1289854371 1616934007 1653759369 2388763533 2678928309 3358247553 3869563113 4850802021 4961278107 7166290599 10074742659 11608689339 14552406063 20273864857 21498871797 34826068017 43657218189 60821594571 64496615391 130971654567 182464783713 263560243141 547394351139 790680729423 1642183053417 2372042188269 7116126564807 21348379694421
• Sum of all divisors σ(n): 34715652883296
• Sum of proper divisors (its aliquot sum) s(n): 13367273188875
• 21348379694421 is a deficient number, because the sum of its proper divisors (13367273188875) is less than itself. Its deficiency is 7981106505546

Bases of 21348379694421

• Binary: 100110110101010001110100101101001010101010101₂
• Hexadecimal: 0x136A8E969555
• Base-36: 7KFB62KB9

Squares and roots of 21348379694421

• 21348379694421 squared (21348379694421²) is 455753315577166869338525241
• 21348379694421 cubed (21348379694421³) is 9729594827932635229294110718862375380461
• The square root of 21348379694421 is 4620430.6827849933
• The cube root of 21348379694421 is 27740.9697942561

Scales and comparisons

• 21,348,379,694,421 seconds is equal to 678,812 years, 22 weeks, 5 days, 22 hours, 40 minutes, 21 seconds.
• To count from 1 to 21,348,379,694,421 would take you about one million, six hundred ninety-seven thousand and thirty-one 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 21348379694421 cubic inches would be around 2311.7 feet tall.

Recreational maths with 21348379694421

• 21348379694421 backwards is 12449697384312
• The number of decimal digits it has is: 14
• The sum of 21348379694421's digits is 63
• More coming soon!