21208295340

Names of 21208295340

• Cardinal: 21208295340 can be written as Twenty-one billion, two hundred eight million, two hundred ninety-five thousand, three hundred forty.

Scientific notation

• Scientific notation: 2.120829534 × 10¹⁰

Factors of 21208295340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4141

Divisors of 21208295340

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 97 103 108 135 180 194 206 270 291 309 388 412 485 515 540 582 618 873 927 970 1030 1164 1236 1455 1545 1746 1854 1940 2060 2619 2781 2910 3090 3492 3708 3931 4365 4635 5238 5562 5820 6180 7862 8730 9270 9991 10476 11124 11793 13095 13905 15724 17460 18540 19655 19982 23586 26190 27810 29973 35379 39310 39964 47172 49955 52380 55620 58965 59946 70758 78620 89919 99910 106137 117930 119892 141516 149865 176895 179838 199820 212274 235860 269757 299730 353790 359676 381307 404893 424548 449595 530685 539514 599460 707580 762614 809786 899190 1061370 1079028 1143921 1214679 1348785 1525228 1619572 1798380 1906535 2024465 2122740 2287842 2429358 2697570 3431763 3644037 3813070 4048930 4575684 4858716 5395140 5719605 6073395 6863526 7288074 7626140 8097860 10295289 10932111 11439210 12146790 13727052 14576148 17158815 18220185 20590578 21864222 22878420 24293580 34317630 36440370 39274621 41181156 43728444 51476445 54660555 68635260 72880740 78549242 102952890 109321110 117823863 157098484 196373105 205905780 218642220 235647726 353471589 392746210 471295452 589119315 706943178 785492420 1060414767 1178238630 1413886356 1767357945 2120829534 2356477260 3534715890 4241659068 5302073835 7069431780 10604147670 21208295340
• Sum of all divisors σ(n): 67325905920
• Sum of proper divisors (its aliquot sum) s(n): 46117610580
• 21208295340 is an abundant number, because the sum of its proper divisors (46117610580) is greater than itself. Its abundance is 24909315240

Bases of 21208295340

• Binary: 10011110000000111001110011110101100₂
• Hexadecimal: 0x4F01CE7AC
• Base-36: 9QQVDF0

Squares and roots of 21208295340

• 21208295340 squared (21208295340²) is 449791791228665715600
• 21208295340 cubed (21208295340³) is 9539317149885163970577245304000
• The square root of 21208295340 is 145630.6813140693
• The cube root of 21208295340 is 2768.0159451103

Scales and comparisons

• 21,208,295,340 seconds is equal to 674 years, 18 weeks, 4 days, 9 hours, 9 minutes.
• To count from 1 to 21,208,295,340 would take you about one thousand, three hundred forty-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 21208295340 cubic inches would be around 230.7 feet tall.

Recreational maths with 21208295340

• 21208295340 backwards is 04359280212
• 21208295340 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21208295340's digits is 36
• More coming soon!