82139459968

Names of 82139459968

• Cardinal: 82139459968 can be written as Eighty-two billion, one hundred thirty-nine million, four hundred fifty-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 8.2139459968 × 10¹⁰

Factors of 82139459968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 12435

Divisors of 82139459968

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 16 19 32 38 64 76 128 152 304 608 1216 2432 4027 8054 8387 16108 16774 32216 33548 64432 67096 76513 128864 134192 153026 159353 257728 268384 306052 318706 515456 536768 612104 637412 1073536 1224208 1274824 2448416 2549648 4896832 5099296 9793664 10198592 20397184 33774449 67548898 135097796 270195592 540391184 641714531 1080782368 1283429062 2161564736 2566858124 4323129472 5133716248 10267432496 20534864992 41069729984 82139459968
• Sum of all divisors σ(n): 172313006400
• Sum of proper divisors (its aliquot sum) s(n): 90173546432
• 82139459968 is an abundant number, because the sum of its proper divisors (90173546432) is greater than itself. Its abundance is 8034086464

Bases of 82139459968

• Binary: 1001100011111111001001011000110000000₂
• Hexadecimal: 0x131FE4B180
• Base-36: 11QFPOXS

Squares and roots of 82139459968

• 82139459968 squared (82139459968²) is 6746890883834674561024
• 82139459968 cubed (82139459968³) is 554185973661202389435538821087232
• The square root of 82139459968 is 286599.8254849433
• The cube root of 82139459968 is 4346.9430227309

Scales and comparisons

• 82,139,459,968 seconds is equal to 2,611 years, 40 weeks, 4 days, 4 hours, 39 minutes, 28 seconds.
• To count from 1 to 82,139,459,968 would take you about five thousand, two hundred twenty-three 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 82139459968 cubic inches would be around 362.2 feet tall.

Recreational maths with 82139459968

• 82139459968 backwards is 86995493128
• 82139459968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 82139459968's digits is 64
• More coming soon!