1998519966

Names of 1998519966

• Cardinal: 1998519966 can be written as One billion, nine hundred ninety-eight million, five hundred nineteen thousand, nine hundred sixty-six.

Scientific notation

• Scientific notation: 1.998519966 × 10⁹

Factors of 1998519966

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 53

Divisors of 1998519966

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 17 18 27 31 34 51 54 62 81 93 102 153 162 186 243 279 289 306 459 486 527 558 578 729 837 867 918 1054 1377 1458 1581 1674 1734 2187 2511 2601 2754 3162 4131 4374 4743 4913 5022 5202 6561 7533 7803 8262 8959 9486 9826 12393 13122 14229 14739 15066 15606 17918 22599 23409 24786 26877 28458 29478 37179 42687 44217 45198 46818 53754 67797 70227 74358 80631 85374 88434 111537 128061 132651 135594 140454 152303 161262 203391 210681 223074 241893 256122 265302 304606 384183 397953 406782 421362 456909 483786 632043 725679 768366 795906 913818 1152549 1193859 1264086 1370727 1451358 1896129 2177037 2305098 2387718 2741454 3457647 3581577 3792258 4112181 4354074 6531111 6915294 7163154 8224362 10744731 12336543 13062222 19593333 21489462 24673086 32234193 37009629 39186666 58779999 64468386 74019258 111028887 117559998 222057774 333086661 666173322 999259983 1998519966
• Sum of all divisors σ(n): 4931521920
• Sum of proper divisors (its aliquot sum) s(n): 2933001954
• 1998519966 is an abundant number, because the sum of its proper divisors (2933001954) is greater than itself. Its abundance is 934481988

Bases of 1998519966

• Binary: 1110111000111101111111010011110₂
• Hexadecimal: 0x771EFE9E
• Base-36: X1V7VI

Squares and roots of 1998519966

• 1998519966 squared (1998519966²) is 3994082054500641156
• 1998519966 cubed (1998519966³) is 7982252731761831510067320696
• The square root of 1998519966 is 44704.8092043799
• The cube root of 1998519966 is 1259.6101855355

Scales and comparisons

• 1,998,519,966 seconds is equal to 63 years, 28 weeks, 3 days, 26 minutes, 6 seconds.
• To count from 1 to 1,998,519,966 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 1998519966 cubic inches would be around 105 feet tall.

Recreational maths with 1998519966

• 1998519966 backwards is 6699158991
• The number of decimal digits it has is: 10
• The sum of 1998519966's digits is 63
• More coming soon!