21042195741

Names of 21042195741

• Cardinal: 21042195741 can be written as Twenty-one billion, forty-two million, one hundred ninety-five thousand, seven hundred forty-one.

Scientific notation

• Scientific notation: 2.1042195741 × 10¹⁰

Factors of 21042195741

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 674

Divisors of 21042195741

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 9 21 27 37 63 67 97 111 189 201 259 291 333 463 469 603 679 777 873 999 1389 1407 1809 2037 2331 2479 2619 3241 3589 4167 4221 6111 6499 6993 7437 9723 10767 12501 12663 17131 17353 18333 19497 22311 25123 29169 31021 32301 44911 45493 51393 52059 58491 66933 75369 87507 93063 96903 119917 134733 136479 154179 156177 175473 217147 226107 240463 279189 314377 359751 404199 409437 462537 468531 651441 678321 721389 837567 943131 1079253 1147777 1212597 1228311 1661707 1683241 1954323 2164167 2829393 3009037 3237759 3443331 4985121 5049723 5862969 6492501 8034439 8488179 9027111 10329993 11631949 14955363 15149169 21063259 24103317 27081333 30989979 34895847 44866089 45447507 63189777 72309951 81243999 104687541 111334369 189569331 216929853 314062623 334003107 568707993 779340583 1002009321 2338021749 3006027963 7014065247 21042195741
• Sum of all divisors σ(n): 37599887360
• Sum of proper divisors (its aliquot sum) s(n): 16557691619
• 21042195741 is a deficient number, because the sum of its proper divisors (16557691619) is less than itself. Its deficiency is 4484504122

Bases of 21042195741

• Binary: 10011100110001101100110110100011101₂
• Hexadecimal: 0x4E6366D1D
• Base-36: 9NZZA59

Squares and roots of 21042195741

• 21042195741 squared (21042195741²) is 442774001602558539081
• 21042195741 cubed (21042195741³) is 9316937210746884465753400254021
• The square root of 21042195741 is 145059.2835395239
• The cube root of 21042195741 is 2760.7707948781

Scales and comparisons

• 21,042,195,741 seconds is equal to 669 years, 3 weeks, 6 days, 22 hours, 22 minutes, 21 seconds.
• To count from 1 to 21,042,195,741 would take you about one thousand, three hundred thirty-eight 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 21042195741 cubic inches would be around 230.1 feet tall.

Recreational maths with 21042195741

• 21042195741 backwards is 14759124012
• The number of decimal digits it has is: 11
• The sum of 21042195741's digits is 36
• More coming soon!