642370838044

Names of 642370838044

• Cardinal: 642370838044 can be written as Six hundred forty-two billion, three hundred seventy million, eight hundred thirty-eight thousand and forty-four.

Scientific notation

• Scientific notation: 6.42370838044 × 10¹¹

Factors of 642370838044

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10691

Divisors of 642370838044

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 13 19 26 38 52 76 169 247 338 361 494 676 722 988 1444 2197 3211 4394 4693 6422 6859 8788 9386 10657 12844 13718 18772 21314 27436 41743 42628 61009 83486 89167 122018 138541 166972 178334 202483 244036 277082 356668 404966 554164 793117 809932 1159171 1586234 1801033 2318342 2632279 3172468 3602066 3847177 4636684 5264558 7204132 7694354 10529116 15069223 15388708 23413429 30138446 34219627 46826858 50013301 60276892 68439254 73096363 93653716 100026602 136878508 146192726 200053204 292385452 444855151 650172913 889710302 950252719 1300345826 1779420604 1900505438 2600691652 3801010876 8452247869 12353285347 16904495738 24706570694 33808991476 49413141388 160592709511 321185419022 642370838044
• Sum of all divisors σ(n): 1285550907200
• Sum of proper divisors (its aliquot sum) s(n): 643180069156
• 642370838044 is an abundant number, because the sum of its proper divisors (643180069156) is greater than itself. Its abundance is 809231112

Bases of 642370838044

• Binary: 1001010110010000010010010001111000011100₂
• Hexadecimal: 0x9590491E1C
• Base-36: 873N0EU4

Squares and roots of 642370838044

• 642370838044 squared (642370838044²) is 412640293569350877745936
• 642370838044 cubed (642370838044³) is 265068091190866107370743898035189184
• The square root of 642370838044 is 801480.4040299425
• The cube root of 642370838044 is 8628.3669298889

Scales and comparisons

• 642,370,838,044 seconds is equal to 20,425 years, 21 weeks, 15 hours, 54 minutes, 4 seconds.
• To count from 1 to 642,370,838,044 would take you about forty thousand, eight hundred fifty 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 642370838044 cubic inches would be around 719 feet tall.

Recreational maths with 642370838044

• 642370838044 backwards is 440838073246
• The number of decimal digits it has is: 12
• The sum of 642370838044's digits is 49
• More coming soon!