1340721144

Names of 1340721144

• Cardinal: 1340721144 can be written as One billion, three hundred forty million, seven hundred twenty-one thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.340721144 × 10⁹

Factors of 1340721144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 245

Divisors of 1340721144

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 126 147 168 196 233 252 294 343 392 441 466 504 588 686 699 882 932 1029 1176 1372 1398 1631 1764 1864 2058 2097 2744 2796 3087 3262 3528 4116 4194 4893 5592 6174 6524 8232 8388 9786 11417 12348 13048 14679 16776 19572 22834 24696 29358 34251 39144 45668 54289 58716 68502 79919 91336 102753 108578 117432 137004 159838 162867 205506 217156 239757 274008 319676 325734 380023 411012 434312 479514 488601 639352 651468 719271 760046 822024 959028 977202 1140069 1302936 1438542 1520092 1918056 1954404 2280138 2660161 2877084 3040184 3420207 3908808 4560276 5320322 5754168 6840414 7980483 9120552 10640644 13680828 15960966 18621127 21281288 23941449 27361656 31921932 37242254 47882898 55863381 63843864 74484508 95765796 111726762 148969016 167590143 191531592 223453524 335180286 446907048 670360572 1340721144
• Sum of all divisors σ(n): 4252794000
• Sum of proper divisors (its aliquot sum) s(n): 2912072856
• 1340721144 is an abundant number, because the sum of its proper divisors (2912072856) is greater than itself. Its abundance is 1571351712

Bases of 1340721144

• Binary: 1001111111010011100011111111000₂
• Hexadecimal: 0x4FE9C7F8
• Base-36: M68B20

Squares and roots of 1340721144

• 1340721144 squared (1340721144²) is 1797533185968668736
• 1340721144 cubed (1340721144³) is 2409990749469878295886953984
• The square root of 1340721144 is 36615.8591869697
• The cube root of 1340721144 is 1102.6715077099

Scales and comparisons

• 1,340,721,144 seconds is equal to 42 years, 32 weeks, 5 days, 14 hours, 32 minutes, 24 seconds.
• To count from 1 to 1,340,721,144 would take you about eighty-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 1340721144 cubic inches would be around 91.9 feet tall.

Recreational maths with 1340721144

• 1340721144 backwards is 4411270431
• The number of decimal digits it has is: 10
• The sum of 1340721144's digits is 27
• More coming soon!