1989470240

Names of 1989470240

• Cardinal: 1989470240 can be written as One billion, nine hundred eighty-nine million, four hundred seventy thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.98947024 × 10⁹

Factors of 1989470240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5306

Divisors of 1989470240

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 127 152 160 190 254 304 380 508 608 635 760 1016 1270 1520 2032 2413 2540 3040 4064 4826 5080 5153 9652 10160 10306 12065 19304 20320 20612 24130 25765 38608 41224 48260 51530 77216 82448 96520 97907 103060 164896 193040 195814 206120 386080 391628 412240 489535 654431 783256 824480 979070 1308862 1566512 1958140 2617724 3133024 3272155 3916280 5235448 6544310 7832560 10470896 12434189 13088620 15665120 20941792 24868378 26177240 49736756 52354480 62170945 99473512 104708960 124341890 198947024 248683780 397894048 497367560 994735120 1989470240
• Sum of all divisors σ(n): 4987422720
• Sum of proper divisors (its aliquot sum) s(n): 2997952480
• 1989470240 is an abundant number, because the sum of its proper divisors (2997952480) is greater than itself. Its abundance is 1008482240

Bases of 1989470240

• Binary: 1110110100101001110100000100000₂
• Hexadecimal: 0x7694E820
• Base-36: WWH928

Squares and roots of 1989470240

• 1989470240 squared (1989470240²) is 3957991835845657600
• 1989470240 cubed (1989470240³) is 7874306967577901028429824000
• The square root of 1989470240 is 44603.4778913033
• The cube root of 1989470240 is 1257.7060470477

Scales and comparisons

• 1,989,470,240 seconds is equal to 63 years, 13 weeks, 3 days, 6 hours, 37 minutes, 20 seconds.
• To count from 1 to 1,989,470,240 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 1989470240 cubic inches would be around 104.8 feet tall.

Recreational maths with 1989470240

• 1989470240 backwards is 0420749891
• The number of decimal digits it has is: 10
• The sum of 1989470240's digits is 44
• More coming soon!