13145371488

Names of 13145371488

• Cardinal: 13145371488 can be written as Thirteen billion, one hundred forty-five million, three hundred seventy-one thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.3145371488 × 10¹⁰

Factors of 13145371488

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6154

Divisors of 13145371488

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 72 87 96 116 144 174 232 261 269 288 348 464 522 538 696 807 928 1044 1076 1392 1614 2088 2152 2421 2784 3228 4176 4304 4842 5851 6456 7801 8352 8608 9684 11702 12912 15602 17553 19368 23403 23404 25824 31204 35106 38736 46806 46808 52659 62408 70209 70212 77472 93612 93616 105318 124816 140418 140424 169679 187224 187232 210636 249632 280836 280848 339358 374448 421272 509037 561672 561696 678716 748896 842544 1018074 1123344 1357432 1527111 1573919 1685088 2036148 2246688 2714864 3054222 3147838 4072296 4721757 5429728 6108444 6295676 8144592 9443514 12216888 12591352 14165271 16289184 18887028 24433776 25182704 28330542 37774056 45643651 48867552 50365408 56661084 75548112 91287302 113322168 136930953 151096224 182574604 226644336 273861906 365149208 410792859 453288672 547723812 730298416 821585718 1095447624 1460596832 1643171436 2190895248 3286342872 4381790496 6572685744 13145371488
• Sum of all divisors σ(n): 38821582800
• Sum of proper divisors (its aliquot sum) s(n): 25676211312
• 13145371488 is an abundant number, because the sum of its proper divisors (25676211312) is greater than itself. Its abundance is 12530839824

Bases of 13145371488

• Binary: 1100001111100001100111001101100000₂
• Hexadecimal: 0x30F867360
• Base-36: 61EEXK0

Squares and roots of 13145371488

• 13145371488 squared (13145371488²) is 172800791557523334144
• 13145371488 cubed (13145371488³) is 2271530598444098348551234486272
• The square root of 13145371488 is 114653.2663642863
• The cube root of 13145371488 is 2360.0667586209

Scales and comparisons

• 13,145,371,488 seconds is equal to 417 years, 51 weeks, 12 hours, 4 minutes, 48 seconds.
• To count from 1 to 13,145,371,488 would take you about eight hundred thirty-five 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 13145371488 cubic inches would be around 196.7 feet tall.

Recreational maths with 13145371488

• 13145371488 backwards is 88417354131
• The number of decimal digits it has is: 11
• The sum of 13145371488's digits is 45
• More coming soon!