21461373808490

Names of 21461373808490

• Cardinal: 21461373808490 can be written as Twenty-one trillion, four hundred sixty-one billion, three hundred seventy-three million, eight hundred eight thousand, four hundred ninety.

Scientific notation

• Scientific notation: 2.146137380849 × 10¹³

Factors of 21461373808490

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 638

Divisors of 21461373808490

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 11 14 22 35 55 70 77 110 121 154 242 385 605 613 770 847 1210 1226 1331 1694 2662 3065 4235 4291 6130 6655 6743 8470 8582 9317 13310 13486 18634 21455 33715 42910 46585 47201 67430 74173 93170 94402 148346 236005 370865 375769 472010 519211 741730 751538 815903 1038422 1631806 1878845 2596055 2630383 3757690 4079515 4133459 5192110 5260766 5711321 8159030 8266918 11422642 13151915 20667295 26303830 28556605 28934213 41334590 45468049 57113210 57868426 90936098 144671065 227340245 230346397 289342130 318276343 454680490 460692794 500148539 636552686 1000297078 1151731985 1591381715 1612424779 2303463970 2500742695 2533810367 3182763430 3224849558 3501039773 5001485390 5067620734 7002079546 8062123895 12669051835 16124247790 17505198865 17736672569 25338103670 27871914037 35010397730 35473345138 55743828074 88683362845 139359570185 177366725690 195103398259 278719140370 306591054407 390206796518 613182108814 975516991295 1532955272035 1951033982590 2146137380849 3065910544070 4292274761698 10730686904245 21461373808490
• Sum of all divisors σ(n): 48640053588480
• Sum of proper divisors (its aliquot sum) s(n): 27178679779990
• 21461373808490 is an abundant number, because the sum of its proper divisors (27178679779990) is greater than itself. Its abundance is 5717305971500

Bases of 21461373808490

• Binary: 100111000010011011101100011111110111101101010₂
• Hexadecimal: 0x1384DD8FEF6A
• Base-36: 7LV7VUKQ2

Squares and roots of 21461373808490

• 21461373808490 squared (21461373808490²) is 460590565747740567196080100
• 21461373808490 cubed (21461373808490³) is 9884906304176150721217410336336100049000
• The square root of 21461373808490 is 4632642.2059651877
• The cube root of 21461373808490 is 27789.8267766091

Scales and comparisons

• 21,461,373,808,490 seconds is equal to 682,405 years, 15 weeks, 5 days, 4 hours, 34 minutes, 50 seconds.
• To count from 1 to 21,461,373,808,490 would take you about one million, seven hundred six thousand and thirteen 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 21461373808490 cubic inches would be around 2315.8 feet tall.

Recreational maths with 21461373808490

• 21461373808490 backwards is 09480837316412
• The number of decimal digits it has is: 14
• The sum of 21461373808490's digits is 56
• More coming soon!