1998920000
1,998,920,000 is an even composite number composed of five prime numbers multiplied together.
1998920000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred twenty divisors.
Prime factorization of 1998920000:
26 × 54 × 7 × 112 × 59
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 7 × 11 × 11 × 59)See below for interesting mathematical facts about the number 1998920000 from the Numbermatics database.
Names of 1998920000
- Cardinal: 1998920000 can be written as One billion, nine hundred ninety-eight million, nine hundred twenty thousand.
Scientific notation
- Scientific notation: 1.99892 × 109
Factors of 1998920000
Divisors of 1998920000
- Number of divisors d(n): 420
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 20 22 25 28 32 35 40 44 50 55 56 59 64 70 77 80 88 100 110 112 118 121 125 140 154 160 175 176 200 220 224 236 242 250 275 280 295 308 320 350 352 385 400 413 440 448 472 484 500 550 560 590 605 616 625 649 700 704 770 800 826 847 875 880 944 968 1000 1100 1120 1180 1210 1232 1250 1298 1375 1400 1475 1540 1600 1652 1694 1750 1760 1888 1925 1936 2000 2065 2200 2240 2360 2420 2464 2500 2596 2750 2800 2950 3025 3080 3245 3304 3388 3500 3520 3776 3850 3872 4000 4130 4235 4375 4400 4543 4720 4840 4928 5000 5192 5500 5600 5900 6050 6160 6490 6608 6776 6875 7000 7139 7375 7700 7744 8000 8260 8470 8750 8800 9086 9440 9625 9680 10000 10325 10384 11000 11200 11800 12100 12320 12980 13216 13552 13750 14000 14278 14750 15125 15400 16225 16520 16940 17500 17600 18172 18880 19250 19360 20000 20650 20768 21175 22000 22715 23600 24200 24640 25960 26432 27104 27500 28000 28556 29500 30250 30800 32450 33040 33880 35000 35695 36344 36875 38500 38720 40000 41300 41536 42350 44000 45430 47200 48125 48400 49973 51625 51920 54208 55000 56000 57112 59000 60500 61600 64900 66080 67760 70000 71390 72688 73750 75625 77000 81125 82600 84700 88000 90860 94400 96250 96800 99946 103250 103840 105875 110000 113575 114224 118000 121000 123200 129800 132160 135520 140000 142780 145376 147500 151250 154000 162250 165200 169400 178475 181720 192500 193600 199892 206500 207680 211750 220000 227150 228448 236000 242000 249865 258125 259600 271040 280000 285560 290752 295000 302500 308000 324500 330400 338800 356950 363440 385000 399784 405625 413000 423500 440000 454300 456896 472000 484000 499730 516250 519200 529375 567875 571120 590000 605000 616000 649000 660800 677600 713900 726880 770000 799568 811250 826000 847000 892375 908600 968000 999460 1032500 1038400 1058750 1135750 1142240 1180000 1210000 1249325 1298000 1355200 1427800 1453760 1540000 1599136 1622500 1652000 1694000 1784750 1817200 1998920 2065000 2117500 2271500 2284480 2360000 2420000 2498650 2596000 2839375 2855600 3080000 3198272 3245000 3304000 3388000 3569500 3634400 3997840 4130000 4235000 4461875 4543000 4840000 4997300 5192000 5678750 5711200 6246625 6490000 6776000 7139000 7268800 7995680 8260000 8470000 8923750 9086000 9994600 11357500 11422400 12493250 12980000 14278000 15991360 16520000 16940000 17847500 18172000 19989200 22715000 24986500 25960000 28556000 31233125 33880000 35695000 36344000 39978400 45430000 49973000 57112000 62466250 71390000 79956800 90860000 99946000 124932500 142780000 181720000 199892000 249865000 285560000 399784000 499730000 999460000 1998920000
- Sum of all divisors σ(n): 6332098080
- Sum of proper divisors (its aliquot sum) s(n): 4333178080
- 1998920000 is an abundant number, because the sum of its proper divisors (4333178080) is greater than itself. Its abundance is 2334258080
Bases of 1998920000
- Binary: 11101110010010100011001010000002
- Hexadecimal: 0x77251940
- Base-36: X23SJK
Squares and roots of 1998920000
- 1998920000 squared (19989200002) is 3995681166400000000
- 1998920000 cubed (19989200003) is 7987046997140288000000000000
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The
square root of 1998920000 is 44709.2831523835 -
The
cube root of 1998920000 is 1259.6942232721
Scales and comparisons
How big is 1998920000?- 1,998,920,000 seconds is equal to 63 years, 29 weeks, 15 hours, 33 minutes, 20 seconds.
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To count from 1 to 1,998,920,000 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 1998920000 cubic inches would be around 105 feet tall.
Recreational maths with 1998920000
- 1998920000 backwards is 0000298991
- The number of decimal digits it has is: 10
- The sum of 1998920000's digits is 38
- More coming soon!
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