21120331000

Names of 21120331000

• Cardinal: 21120331000 can be written as Twenty-one billion, one hundred twenty million, three hundred thirty-one thousand.

Scientific notation

• Scientific notation: 2.1120331 × 10¹⁰

Factors of 21120331000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5148

Divisors of 21120331000

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 20 25 31 40 50 62 100 124 125 137 155 200 248 250 274 310 500 548 620 685 775 1000 1096 1240 1370 1550 2740 3100 3425 3875 4247 4973 5480 6200 6850 7750 8494 9946 13700 15500 16988 17125 19892 21235 24865 27400 31000 33976 34250 39784 42470 49730 68500 84940 99460 106175 124325 137000 154163 169880 198920 212350 248650 308326 424700 497300 530875 616652 621625 681301 770815 849400 994600 1061750 1233304 1243250 1362602 1541630 2123500 2486500 2725204 3083260 3406505 3854075 4247000 4973000 5450408 6166520 6813010 7708150 13626020 15416300 17032525 19270375 21120331 27252040 30832600 34065050 38540750 42240662 68130100 77081500 84481324 85162625 105601655 136260200 154163000 168962648 170325250 211203310 340650500 422406620 528008275 681301000 844813240 1056016550 2112033100 2640041375 4224066200 5280082750 10560165500 21120331000
• Sum of all divisors σ(n): 51398530560
• Sum of proper divisors (its aliquot sum) s(n): 30278199560
• 21120331000 is an abundant number, because the sum of its proper divisors (30278199560) is greater than itself. Its abundance is 9157868560

Bases of 21120331000

• Binary: 10011101010110111101010110011111000₂
• Hexadecimal: 0x4EADEACF8
• Base-36: 9PAHZP4

Squares and roots of 21120331000

• 21120331000 squared (21120331000²) is 446068381549561000000
• 21120331000 cubed (21120331000³) is 9421111866961021224691000000000
• The square root of 21120331000 is 145328.3558016125
• The cube root of 21120331000 is 2764.1837322705

Scales and comparisons

• 21,120,331,000 seconds is equal to 671 years, 29 weeks, 1 day, 6 hours, 36 minutes, 40 seconds.
• To count from 1 to 21,120,331,000 would take you about one thousand, three hundred forty-three 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 21120331000 cubic inches would be around 230.3 feet tall.

Recreational maths with 21120331000

• 21120331000 backwards is 00013302112
• The number of decimal digits it has is: 11
• The sum of 21120331000's digits is 13
• More coming soon!