28138890000
28,138,890,000 is an even composite number composed of six prime numbers multiplied together.
28138890000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 28138890000:
24 × 3 × 54 × 13 × 23 × 3137
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 13 × 23 × 3137)See below for interesting mathematical facts about the number 28138890000 from the Numbermatics database.
Names of 28138890000
- Cardinal: 28138890000 can be written as Twenty-eight billion, one hundred thirty-eight million, eight hundred ninety thousand.
Scientific notation
- Scientific notation: 2.813889 × 1010
Factors of 28138890000
Divisors of 28138890000
- Number of divisors d(n): 400
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 23 24 25 26 30 39 40 46 48 50 52 60 65 69 75 78 80 92 100 104 115 120 125 130 138 150 156 184 195 200 208 230 240 250 260 276 299 300 312 325 345 368 375 390 400 460 500 520 552 575 598 600 624 625 650 690 750 780 897 920 975 1000 1040 1104 1150 1196 1200 1250 1300 1380 1495 1500 1560 1625 1725 1794 1840 1875 1950 2000 2300 2392 2500 2600 2760 2875 2990 3000 3120 3137 3250 3450 3588 3750 3900 4485 4600 4784 4875 5000 5200 5520 5750 5980 6000 6274 6500 6900 7176 7475 7500 7800 8125 8625 8970 9200 9411 9750 10000 11500 11960 12548 13000 13800 14352 14375 14950 15000 15600 15685 16250 17250 17940 18822 19500 22425 23000 23920 24375 25096 26000 27600 28750 29900 30000 31370 32500 34500 35880 37375 37644 39000 40781 43125 44850 46000 47055 48750 50192 57500 59800 62740 65000 69000 71760 72151 74750 75288 78000 78425 81562 86250 89700 94110 97500 112125 115000 119600 122343 125480 130000 138000 144302 149500 150576 156850 163124 172500 179400 186875 188220 195000 203905 216453 224250 230000 235275 244686 250960 288604 299000 313700 326248 345000 358800 360755 373750 376440 390000 392125 407810 432906 448500 470550 489372 560625 577208 598000 611715 627400 652496 690000 721510 747500 752880 784250 815620 865812 897000 937963 941100 978744 1019525 1082265 1121250 1154416 1176375 1223430 1254800 1443020 1495000 1568500 1631240 1731624 1794000 1803775 1875926 1882200 1957488 1960625 2039050 2164530 2242500 2352750 2446860 2813889 2886040 2990000 3058575 3137000 3262480 3463248 3607550 3751852 3764400 3921250 4078100 4329060 4485000 4689815 4705500 4893720 5097625 5411325 5627778 5772080 5881875 6117150 6274000 7215100 7503704 7842500 8156200 8658120 8970000 9018875 9379630 9411000 9787440 10195250 10822650 11255556 11763750 12234300 14069445 14430200 15007408 15292875 15685000 16312400 17316240 18037750 18759260 18822000 20390500 21645300 22511112 23449075 23527500 24468600 25488125 27056625 28138890 28860400 30585750 31370000 36075500 37518520 40781000 43290600 45022224 45094375 46898150 47055000 48937200 50976250 54113250 56277780 61171500 70347225 72151000 75037040 76464375 81562000 86581200 90188750 93796300 94110000 101952500 108226500 112555560 117245375 122343000 135283125 140694450 144302000 152928750 180377500 187592600 203905000 216453000 225111120 234490750 244686000 270566250 281388900 305857500 351736125 360755000 375185200 407810000 432906000 468981500 541132500 562777800 586226875 611715000 703472250 721510000 937963000 1082265000 1125555600 1172453750 1223430000 1406944500 1758680625 1875926000 2164530000 2344907500 2813889000 3517361250 4689815000 5627778000 7034722500 9379630000 14069445000 28138890000
- Sum of all divisors σ(n): 102109214592
- Sum of proper divisors (its aliquot sum) s(n): 73970324592
- 28138890000 is an abundant number, because the sum of its proper divisors (73970324592) is greater than itself. Its abundance is 45831434592
Bases of 28138890000
- Binary: 110100011010011010101100011000100002
- Hexadecimal: 0x68D356310
- Base-36: CXD62HC
Squares and roots of 28138890000
- 28138890000 squared (281388900002) is 791797130432100000000
- 28138890000 cubed (281388900003) is 22280292355544514369000000000000
-
The
square root of 28138890000 is 167746.5051796907 -
The
cube root of 28138890000 is 3041.6015481983
Scales and comparisons
How big is 28138890000?- 28,138,890,000 seconds is equal to 894 years, 37 weeks, 6 days, 14 hours, 20 minutes.
-
To count from 1 to 28,138,890,000 would take you about one thousand, seven hundred eighty-nine 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 28138890000 cubic inches would be around 253.5 feet tall.
Recreational maths with 28138890000
- 28138890000 backwards is 00009883182
- 28138890000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28138890000's digits is 39
- More coming soon!
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The information we have on file for 28138890000 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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