1990312880

Names of 1990312880

• Cardinal: 1990312880 can be written as One billion, nine hundred ninety million, three hundred twelve thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.99031288 × 10⁹

Factors of 1990312880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 329

Divisors of 1990312880

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 20 37 40 61 73 74 80 122 146 148 151 185 244 292 296 302 305 365 370 488 584 592 604 610 730 740 755 976 1168 1208 1220 1460 1480 1510 2257 2416 2440 2701 2920 2960 3020 4453 4514 4880 5402 5587 5840 6040 8906 9028 9211 10804 11023 11174 11285 12080 13505 17812 18056 18422 21608 22046 22265 22348 22570 27010 27935 35624 36112 36844 43216 44092 44530 44696 45140 46055 54020 55115 55870 71248 73688 88184 89060 89392 90280 92110 108040 110230 111740 147376 164761 176368 178120 180560 184220 216080 220460 223480 329522 340807 356240 368440 407851 440920 446960 659044 672403 681614 736880 815702 823805 881840 1318088 1344806 1363228 1631404 1647610 1704035 2039255 2636176 2689612 2726456 3262808 3295220 3362015 3408070 4078510 5379224 5452912 6525616 6590440 6724030 6816140 8157020 10758448 13180880 13448060 13632280 16314040 24878911 26896120 27264560 32628080 49757822 53792240 99515644 124394555 199031288 248789110 398062576 497578220 995156440 1990312880
• Sum of all divisors σ(n): 4929053568
• Sum of proper divisors (its aliquot sum) s(n): 2938740688
• 1990312880 is an abundant number, because the sum of its proper divisors (2938740688) is greater than itself. Its abundance is 948427808

Bases of 1990312880

• Binary: 1110110101000011100001110110000₂
• Hexadecimal: 0x76A1C3B0
• Base-36: WWZB8W

Squares and roots of 1990312880

• 1990312880 squared (1990312880²) is 3961345360293894400
• 1990312880 cubed (1990312880³) is 7884316692721178609679872000
• The square root of 1990312880 is 44612.9227914959
• The cube root of 1990312880 is 1257.8835890911

Scales and comparisons

• 1,990,312,880 seconds is equal to 63 years, 14 weeks, 6 days, 41 minutes, 20 seconds.
• To count from 1 to 1,990,312,880 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 1990312880 cubic inches would be around 104.8 feet tall.

Recreational maths with 1990312880

• 1990312880 backwards is 0882130991
• The number of decimal digits it has is: 10
• The sum of 1990312880's digits is 41
• More coming soon!