1999832490

Names of 1999832490

• Cardinal: 1999832490 can be written as One billion, nine hundred ninety-nine million, eight hundred thirty-two thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.99983249 × 10⁹

Factors of 1999832490

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7800

Divisors of 1999832490

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 331 405 662 810 993 1655 1986 2979 3310 4965 5958 7459 8937 9930 14895 14918 17874 22377 26811 29790 37295 44685 44754 53622 67131 74590 89370 111885 134055 134262 201393 223770 268110 335655 402786 604179 671310 1006965 1208358 2013930 2468929 3020895 4937858 6041790 7406787 12344645 14813574 22220361 24689290 37033935 44440722 66661083 74067870 111101805 133322166 199983249 222203610 333305415 399966498 666610830 999916245 1999832490
• Sum of all divisors σ(n): 5394296160
• Sum of proper divisors (its aliquot sum) s(n): 3394463670
• 1999832490 is an abundant number, because the sum of its proper divisors (3394463670) is greater than itself. Its abundance is 1394631180

Bases of 1999832490

• Binary: 1110111001100110000010110101010₂
• Hexadecimal: 0x773305AA
• Base-36: X2NCMI

Squares and roots of 1999832490

• 1999832490 squared (1999832490²) is 3999329988059600100
• 1999832490 cubed (1999832490³) is 7997990048352900336387249000
• The square root of 1999832490 is 44719.4866920451
• The cube root of 1999832490 is 1259.8858740169

Scales and comparisons

• 1,999,832,490 seconds is equal to 63 years, 30 weeks, 4 days, 5 hours, 1 minute, 30 seconds.
• To count from 1 to 1,999,832,490 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 1999832490 cubic inches would be around 105 feet tall.

Recreational maths with 1999832490

• 1999832490 backwards is 0942389991
• 1999832490 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1999832490's digits is 54
• More coming soon!