6721939399136

Names of 6721939399136

• Cardinal: 6721939399136 can be written as Six trillion, seven hundred twenty-one billion, nine hundred thirty-nine million, three hundred ninety-nine thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 6.721939399136 × 10¹²

Factors of 6721939399136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 17026967

Divisors of 6721939399136

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 73 104 146 169 208 292 338 416 584 676 949 1168 1352 1898 2336 2704 3796 5408 7592 12337 15184 24674 30368 49348 98696 197392 394784 17026879 34053758 68107516 136215032 221349427 272430064 442698854 544860128 885397708 1242962167 1770795416 2485924334 2877542551 3541590832 4971848668 5755085102 7083181664 9943697336 11510170204 16158508171 19887394672 23020340408 32317016342 39774789344 46040680816 64634032684 92081361632 129268065368 210060606223 258536130736 420121212446 517072261472 840242424892 1680484849784 3360969699568 6721939399136
• Sum of all divisors σ(n): 14526414564480
• Sum of proper divisors (its aliquot sum) s(n): 7804475165344
• 6721939399136 is an abundant number, because the sum of its proper divisors (7804475165344) is greater than itself. Its abundance is 1082535766208

Bases of 6721939399136

• Binary: 1100001110100010010110011110110000111100000₂
• Hexadecimal: 0x61D12CF61E0
• Base-36: 2DS0L5V4W

Squares and roots of 6721939399136

• 6721939399136 squared (6721939399136²) is 45184469285656848717546496
• 6721939399136 cubed (6721939399136³) is 303727264320307244811507745502382227456
• The square root of 6721939399136 is 2592670.3221073057
• The cube root of 6721939399136 is 18872.5911219777

Scales and comparisons

• 6,721,939,399,136 seconds is equal to 213,736 years, 45 weeks, 5 days, 12 hours, 38 minutes, 56 seconds.
• To count from 1 to 6,721,939,399,136 would take you about five hundred thirty-four thousand, three hundred forty-two 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 6721939399136 cubic inches would be around 1572.7 feet tall.

Recreational maths with 6721939399136

• 6721939399136 backwards is 6319939391276
• The number of decimal digits it has is: 13
• The sum of 6721939399136's digits is 68
• More coming soon!