1997923590

Names of 1997923590

• Cardinal: 1997923590 can be written as One billion, nine hundred ninety-seven million, nine hundred twenty-three thousand, five hundred ninety.

Scientific notation

• Scientific notation: 1.99792359 × 10⁹

Factors of 1997923590

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 569232

Divisors of 1997923590

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 195 234 270 351 390 585 702 1170 1755 3510 569209 1138418 1707627 2846045 3415254 5122881 5692090 7399717 8538135 10245762 14799434 15368643 17076270 22199151 25614405 30737286 36998585 44398302 51228810 66597453 73997170 76843215 110995755 133194906 153686430 199792359 221991510 332987265 399584718 665974530 998961795 1997923590
• Sum of all divisors σ(n): 5737636800
• Sum of proper divisors (its aliquot sum) s(n): 3739713210
• 1997923590 is an abundant number, because the sum of its proper divisors (3739713210) is greater than itself. Its abundance is 1741789620

Bases of 1997923590

• Binary: 1110111000101011110010100000110₂
• Hexadecimal: 0x7715E506
• Base-36: X1IFPI

Squares and roots of 1997923590

• 1997923590 squared (1997923590²) is 3991698671478488100
• 1997923590 cubed (1997923590³) is 7975108939918531552524279000
• The square root of 1997923590 is 44698.1385518457
• The cube root of 1997923590 is 1259.4848801377

Scales and comparisons

• 1,997,923,590 seconds is equal to 63 years, 27 weeks, 3 days, 2 hours, 46 minutes, 30 seconds.
• To count from 1 to 1,997,923,590 would take you about one hundred twenty-seven 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 1997923590 cubic inches would be around 105 feet tall.

Recreational maths with 1997923590

• 1997923590 backwards is 0953297991
• 1997923590 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1997923590's digits is 54
• More coming soon!