21115138804000

Names of 21115138804000

• Cardinal: 21115138804000 can be written as Twenty-one trillion, one hundred fifteen billion, one hundred thirty-eight million, eight hundred four thousand.

Scientific notation

• Scientific notation: 2.1115138804 × 10¹³

Factors of 21115138804000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3969

Divisors of 21115138804000

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 421 500 800 842 1000 1684 2000 2105 3368 3541 4000 4210 6736 7082 8420 10525 13472 14164 16840 17705 21050 28328 33680 35410 42100 52625 56656 67360 70820 84200 88525 105250 113312 141640 168400 177050 210500 283280 336800 354100 421000 442625 566560 708200 842000 885250 1416400 1490761 1684000 1770500 2832800 2981522 3541000 5963044 7082000 7453805 11926088 12538681 14164000 14907610 23852176 25077362 29815220 37269025 47704352 50154724 59630440 62693405 74538050 100309448 119260880 125386810 149076100 186345125 200618896 238521760 250773620 298152200 313467025 372690250 401237792 501547240 596304400 626934050 745380500 1003094480 1192608800 1253868100 1490761000 1567335125 2006188960 2507736200 2981522000 3134670250 5015472400 5278784701 5963044000 6269340500 10030944800 10557569402 12538681000 21115138804 25077362000 26393923505 42230277608 50154724000 52787847010 84460555216 105575694020 131969617525 168921110432 211151388040 263939235050 422302776080 527878470100 659848087625 844605552160 1055756940200 1319696175250 2111513880400 2639392350500 4223027760800 5278784701000 10557569402000 21115138804000
• Sum of all divisors σ(n): 52017816345768
• Sum of proper divisors (its aliquot sum) s(n): 30902677541768
• 21115138804000 is an abundant number, because the sum of its proper divisors (30902677541768) is greater than itself. Its abundance is 9787538737768

Bases of 21115138804000

• Binary: 100110011010001000000010110010000100100100000₂
• Hexadecimal: 0x133440590920
• Base-36: 7HG5SGTGG

Squares and roots of 21115138804000

• 21115138804000 squared (21115138804000²) is 445849086712186550416000000
• 21115138804000 cubed (21115138804000³) is 9414165351564451010375783942464000000000
• The square root of 21115138804000 is 4595121.1957901611
• The cube root of 21115138804000 is 27639.5719920487

Scales and comparisons

• 21,115,138,804,000 seconds is equal to 671,396 years, 5 weeks, 1 day, 14 hours, 26 minutes, 40 seconds.
• To count from 1 to 21,115,138,804,000 would take you about one million, six hundred seventy-eight thousand, four hundred ninety 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 21115138804000 cubic inches would be around 2303.3 feet tall.

Recreational maths with 21115138804000

• 21115138804000 backwards is 00040883151112
• The number of decimal digits it has is: 14
• The sum of 21115138804000's digits is 34
• More coming soon!