13123872128

Names of 13123872128

• Cardinal: 13123872128 can be written as Thirteen billion, one hundred twenty-three million, eight hundred seventy-two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3123872128 × 10¹⁰

Factors of 13123872128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 145

Divisors of 13123872128

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 16 19 23 32 38 46 64 76 92 101 128 152 184 202 304 368 404 437 529 608 736 808 874 1058 1216 1472 1616 1748 1919 2116 2323 2432 2944 3232 3496 3838 4232 4646 6464 6992 7676 8464 9292 10051 10201 12928 13984 15352 16928 18584 20102 20402 27968 30704 33856 37168 40204 40804 44137 53429 55936 61408 67712 74336 80408 81608 88274 106858 122816 148672 160816 163216 176548 193819 213716 234623 245632 297344 321632 326432 353096 387638 427432 469246 643264 652864 706192 775276 854864 938492 1015151 1286528 1305728 1412384 1550552 1709728 1876984 2030302 2824768 3101104 3419456 3753968 4060604 4457837 5396329 5649536 6202208 6838912 7507936 8121208 8915674 10792658 12404416 15015872 16242416 17831348 21585316 24808832 30031744 32484832 35662696 43170632 64969664 71325392 86341264 102530251 129939328 142650784 172682528 205060502 285301568 345365056 410121004 570603136 690730112 820242008 1640484016 3280968032 6561936064 13123872128
• Sum of all divisors σ(n): 29057550900
• Sum of proper divisors (its aliquot sum) s(n): 15933678772
• 13123872128 is an abundant number, because the sum of its proper divisors (15933678772) is greater than itself. Its abundance is 2809806644

Bases of 13123872128

• Binary: 1100001110001111100110010110000000₂
• Hexadecimal: 0x30E3E6580
• Base-36: 611M4JK

Squares and roots of 13123872128

• 13123872128 squared (13123872128²) is 172236019632095248384
• 13123872128 cubed (13123872128³) is 2260403497487315644508014641152
• The square root of 13123872128 is 114559.4698311755
• The cube root of 13123872128 is 2358.7794205409

Scales and comparisons

• 13,123,872,128 seconds is equal to 417 years, 15 weeks, 3 days, 16 hours, 2 minutes, 8 seconds.
• To count from 1 to 13,123,872,128 would take you about eight hundred thirty-four 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 13123872128 cubic inches would be around 196.6 feet tall.

Recreational maths with 13123872128

• 13123872128 backwards is 82127832131
• 13123872128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13123872128's digits is 38
• More coming soon!