142005428128

Names of 142005428128

• Cardinal: 142005428128 can be written as One hundred forty-two billion, five million, four hundred twenty-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.42005428128 × 10¹¹

Factors of 142005428128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 12909

Divisors of 142005428128

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 16 32 37 74 148 257 296 514 592 1028 1184 1369 2056 2738 4112 5476 8224 9509 10952 12613 19018 21904 25226 38036 43808 50452 76072 100904 152144 201808 304288 351833 403616 466681 703666 933362 1407332 1866724 2814664 3241541 3733448 5629328 6483082 7466896 11258656 12966164 14933792 17267197 25932328 34534394 51864656 69068788 103729312 119937017 138137576 239874034 276275152 479748068 552550304 959496136 1918992272 3837984544 4437669629 8875339258 17750678516 35501357032 71002714064 142005428128
• Sum of all divisors σ(n): 288474334092
• Sum of proper divisors (its aliquot sum) s(n): 146468905964
• 142005428128 is an abundant number, because the sum of its proper divisors (146468905964) is greater than itself. Its abundance is 4463477836

Bases of 142005428128

• Binary: 10000100010000001011101101111110100000₂
• Hexadecimal: 0x21102EDFA0
• Base-36: 1T8ID5LS

Squares and roots of 142005428128

• 142005428128 squared (142005428128²) is 20165541617816573584384
• 142005428128 cubed (142005428128³) is 2863616370871044284424465455153152
• The square root of 142005428128 is 376836.0759375355
• The cube root of 142005428128 is 5217.1699222021

Scales and comparisons

• 142,005,428,128 seconds is equal to 4,515 years, 17 weeks, 2 days, 8 hours, 15 minutes, 28 seconds.
• To count from 1 to 142,005,428,128 would take you about nine thousand and thirty 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 142005428128 cubic inches would be around 434.8 feet tall.

Recreational maths with 142005428128

• 142005428128 backwards is 821824500241
• 142005428128 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 142005428128's digits is 37
• More coming soon!