29938843890

Names of 29938843890

• Cardinal: 29938843890 can be written as Twenty-nine billion, nine hundred thirty-eight million, eight hundred forty-three thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.993884389 × 10¹⁰

Factors of 29938843890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 70618

Divisors of 29938843890

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 1607 3214 4821 8035 9642 14463 16070 24105 28926 43389 48210 69001 72315 86778 138002 144630 207003 216945 345005 414006 433890 621009 690010 1035015 1242018 1863027 2070030 3105045 3726054 6210090 9315135 18630270 110884607 221769214 332653821 554423035 665307642 997961463 1108846070 1663269105 1995922926 2993884389 3326538210 4989807315 5987768778 9979614630 14969421945 29938843890
• Sum of all divisors σ(n): 79887755520
• Sum of proper divisors (its aliquot sum) s(n): 49948911630
• 29938843890 is an abundant number, because the sum of its proper divisors (49948911630) is greater than itself. Its abundance is 20010067740

Bases of 29938843890

• Binary: 11011111000011111101000000011110010₂
• Hexadecimal: 0x6F87E80F2
• Base-36: DR4TBSI

Squares and roots of 29938843890

• 29938843890 squared (29938843890²) is 896334373469790332100
• 29938843890 cubed (29938843890³) is 26835214880553010383773155869000
• The square root of 29938843890 is 173028.4482101137
• The cube root of 29938843890 is 3105.1196667923

Scales and comparisons

• 29,938,843,890 seconds is equal to 951 years, 50 weeks, 9 hours, 31 minutes, 30 seconds.
• To count from 1 to 29,938,843,890 would take you about one thousand, nine hundred 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 29938843890 cubic inches would be around 258.8 feet tall.

Recreational maths with 29938843890

• 29938843890 backwards is 09834883992
• The number of decimal digits it has is: 11
• The sum of 29938843890's digits is 63
• More coming soon!