1998773568

Names of 1998773568

• Cardinal: 1998773568 can be written as One billion, nine hundred ninety-eight million, seven hundred seventy-three thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.998773568 × 10⁹

Factors of 1998773568

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2072

Divisors of 1998773568

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 132 144 167 176 192 198 264 288 334 352 396 501 528 576 668 704 792 1002 1056 1336 1503 1584 1837 1889 2004 2112 2672 3006 3168 3674 3778 4008 5344 5511 5667 6012 6336 7348 7556 8016 10688 11022 11334 12024 14696 15112 16032 16533 17001 20779 22044 22668 24048 29392 30224 32064 33066 34002 41558 44088 45336 48096 58784 60448 62337 66132 68004 83116 88176 90672 96192 117568 120896 124674 132264 136008 166232 176352 181344 187011 249348 264528 272016 315463 332464 352704 362688 374022 498696 529056 544032 630926 664928 748044 946389 997392 1058112 1088064 1261852 1329856 1496088 1892778 1994784 2523704 2839167 2992176 3470093 3785556 3989568 5047408 5678334 5984352 6940186 7571112 10094816 10410279 11356668 11968704 13880372 15142224 20189632 20820558 22713336 27760744 30284448 31230837 41641116 45426672 55521488 60568896 62461674 83282232 90853344 111042976 124923348 166564464 181706688 222085952 249846696 333128928 499693392 666257856 999386784 1998773568
• Sum of all divisors σ(n): 6290706240
• Sum of proper divisors (its aliquot sum) s(n): 4291932672
• 1998773568 is an abundant number, because the sum of its proper divisors (4291932672) is greater than itself. Its abundance is 2293159104

Bases of 1998773568

• Binary: 1110111001000101101110101000000₂
• Hexadecimal: 0x7722DD40
• Base-36: X20NK0

Squares and roots of 1998773568

• 1998773568 squared (1998773568²) is 3995095776135450624
• 1998773568 cubed (1998773568³) is 7985291838967983895020306432
• The square root of 1998773568 is 44707.6455206489
• The cube root of 1998773568 is 1259.6634626533

Scales and comparisons

• 1,998,773,568 seconds is equal to 63 years, 28 weeks, 5 days, 22 hours, 52 minutes, 48 seconds.
• To count from 1 to 1,998,773,568 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 1998773568 cubic inches would be around 105 feet tall.

Recreational maths with 1998773568

• 1998773568 backwards is 8653778991
• The number of decimal digits it has is: 10
• The sum of 1998773568's digits is 63
• More coming soon!