1998742421952

Names of 1998742421952

• Cardinal: 1998742421952 can be written as One trillion, nine hundred ninety-eight billion, seven hundred forty-two million, four hundred twenty-one thousand, nine hundred fifty-two.

Scientific notation

• Scientific notation: 1.998742421952 × 10¹²

Factors of 1998742421952

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3470038932

Divisors of 1998742421952

• Number of divisors d(n): 42
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 3470038927 6940077854 10410116781 13880155708 20820233562 27760311416 31230350343 41640467124 55520622832 62460700686 83280934248 111041245664 124921401372 166561868496 222082491328 249842802744 333123736992 499685605488 666247473984 999371210976 1998742421952
• Sum of all divisors σ(n): 5729034270128
• Sum of proper divisors (its aliquot sum) s(n): 3730291848176
• 1998742421952 is an abundant number, because the sum of its proper divisors (3730291848176) is greater than itself. Its abundance is 1731549426224

Bases of 1998742421952

• Binary: 11101000101011110010101010000000111000000₂
• Hexadecimal: 0x1D15E5501C0
• Base-36: PI7JMR40

Squares and roots of 1998742421952

• 1998742421952 squared (1998742421952²) is 3994971269310546811490304
• 1998742421952 cubed (1998742421952³) is 7984918550450417983215601399524753408
• The square root of 1998742421952 is 1413768.8714751077
• The cube root of 1998742421952 is 12596.5691968399

Scales and comparisons

• 1,998,742,421,952 seconds is equal to 63,553 years, 42 weeks, 6 days, 20 hours, 19 minutes, 12 seconds.
• To count from 1 to 1,998,742,421,952 would take you about one hundred fifty-eight thousand, eight hundred eighty-four 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 1998742421952 cubic inches would be around 1049.7 feet tall.

Recreational maths with 1998742421952

• 1998742421952 backwards is 2591242478991
• The number of decimal digits it has is: 13
• The sum of 1998742421952's digits is 63
• More coming soon!