29121621420

Names of 29121621420

• Cardinal: 29121621420 can be written as Twenty-nine billion, one hundred twenty-one million, six hundred twenty-one thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.912162142 × 10¹⁰

Factors of 29121621420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8813

Divisors of 29121621420

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 151 302 389 453 604 755 778 906 1167 1510 1556 1812 1945 2265 2334 3020 3890 4530 4668 5835 7780 8263 9060 11670 16526 23340 24789 33052 41315 49578 58739 82630 99156 117478 123945 165260 176217 234956 247890 293695 352434 495780 587390 704868 881085 1174780 1247713 1762170 2495426 3214307 3524340 3743139 4990852 6238565 6428614 7486278 9642921 12477130 12857228 14972556 16071535 18715695 19285842 24954260 32143070 37431390 38571684 48214605 64286140 74862780 96429210 192858420 485360357 970720714 1456081071 1941441428 2426801785 2912162142 4853603570 5824324284 7280405355 9707207140 14560810710 29121621420
• Sum of all divisors σ(n): 82301506560
• Sum of proper divisors (its aliquot sum) s(n): 53179885140
• 29121621420 is an abundant number, because the sum of its proper divisors (53179885140) is greater than itself. Its abundance is 24058263720

Bases of 29121621420

• Binary: 11011000111110010001010110110101100₂
• Hexadecimal: 0x6C7C8ADAC
• Base-36: DDM9EWC

Squares and roots of 29121621420

• 29121621420 squared (29121621420²) is 848068834129802816400
• 29121621420 cubed (29121621420³) is 24697139525628892758450567288000
• The square root of 29121621420 is 170650.5828293593
• The cube root of 29121621420 is 3076.6057727239

Scales and comparisons

• 29,121,621,420 seconds is equal to 925 years, 50 weeks, 5 days, 19 hours, 17 minutes.
• To count from 1 to 29,121,621,420 would take you about one thousand, eight hundred fifty-one 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 29121621420 cubic inches would be around 256.4 feet tall.

Recreational maths with 29121621420

• 29121621420 backwards is 02412612192
• 29121621420 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 29121621420's digits is 30
• More coming soon!