1989499806

Names of 1989499806

• Cardinal: 1989499806 can be written as One billion, nine hundred eighty-nine million, four hundred ninety-nine thousand, eight hundred six.

Scientific notation

• Scientific notation: 1.989499806 × 10⁹

Factors of 1989499806

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8096

Divisors of 1989499806

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 73 81 126 146 162 189 219 243 378 438 486 511 567 657 1022 1134 1314 1533 1701 1971 3066 3402 3942 4599 5913 8011 9198 11826 13797 16022 17739 24033 27594 35478 41391 48066 56077 72099 82782 112154 124173 144198 168231 216297 248346 336462 432594 504693 584803 648891 1009386 1169606 1297782 1514079 1754409 1946673 3028158 3508818 3893346 4093621 4542237 5263227 8187242 9084474 10526454 12280863 13626711 15789681 24561726 27253422 31579362 36842589 47369043 73685178 94738086 110527767 142107129 221055534 284214258 331583301 663166602 994749903 1989499806
• Sum of all divisors σ(n): 5179469568
• Sum of proper divisors (its aliquot sum) s(n): 3189969762
• 1989499806 is an abundant number, because the sum of its proper divisors (3189969762) is greater than itself. Its abundance is 1200469956

Bases of 1989499806

• Binary: 1110110100101010101101110011110₂
• Hexadecimal: 0x76955B9E
• Base-36: WWHVVI

Squares and roots of 1989499806

• 1989499806 squared (1989499806²) is 3958109478074037636
• 1989499806 cubed (1989499806³) is 7874658038755059130458698616
• The square root of 1989499806 is 44603.8093216263
• The cube root of 1989499806 is 1257.7122773751

Scales and comparisons

• 1,989,499,806 seconds is equal to 63 years, 13 weeks, 3 days, 14 hours, 50 minutes, 6 seconds.
• To count from 1 to 1,989,499,806 would take you about one hundred twenty-six 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 1989499806 cubic inches would be around 104.8 feet tall.

Recreational maths with 1989499806

• 1989499806 backwards is 6089949891
• 1989499806 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1989499806's digits is 63
• More coming soon!