9138990900
9,138,990,900 is an even composite number composed of seven prime numbers multiplied together.
9138990900 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 9138990900:
22 × 3 × 52 × 13 × 17 × 307 × 449
(2 × 2 × 3 × 5 × 5 × 13 × 17 × 307 × 449)See below for interesting mathematical facts about the number 9138990900 from the Numbermatics database.
Names of 9138990900
- Cardinal: 9138990900 can be written as Nine billion, one hundred thirty-eight million, nine hundred ninety thousand, nine hundred.
Scientific notation
- Scientific notation: 9.1389909 × 109
Factors of 9138990900
Divisors of 9138990900
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 10 12 13 15 17 20 25 26 30 34 39 50 51 52 60 65 68 75 78 85 100 102 130 150 156 170 195 204 221 255 260 300 307 325 340 390 425 442 449 510 614 650 663 780 850 884 898 921 975 1020 1105 1228 1275 1300 1326 1347 1535 1700 1796 1842 1950 2210 2245 2550 2652 2694 3070 3315 3684 3900 3991 4420 4490 4605 5100 5219 5388 5525 5837 6140 6630 6735 7633 7675 7982 8980 9210 10438 11050 11225 11674 11973 13260 13470 15266 15350 15657 15964 16575 17511 18420 19955 20876 22100 22450 22899 23025 23348 23946 26095 26940 29185 30532 30700 31314 33150 33675 35022 38165 39910 44900 45798 46050 47892 52190 58370 59865 62628 66300 67350 67847 70044 76330 78285 79820 87555 91596 92100 99229 99775 104380 114495 116740 119730 130475 134700 135694 137843 145925 152660 156570 175110 190825 198458 199550 203541 228990 239460 260950 271388 275686 291850 297687 299325 313140 339235 350220 381650 391425 396916 399100 407082 413529 437775 457980 496145 521900 551372 572475 583700 595374 598650 678470 689215 763300 782850 814164 827058 875550 992290 1017705 1144950 1190748 1197300 1356940 1378430 1488435 1565700 1654116 1696175 1751100 1791959 1984580 2035410 2067645 2289900 2343331 2480725 2756860 2976870 3392350 3446075 3583918 4070820 4135290 4686662 4961450 5088525 5375877 5953740 6784700 6892150 7029993 7167836 7442175 8270580 8959795 9373324 9922900 10177050 10338225 10751754 11716655 13784300 14059986 14884350 17919590 20354100 20676450 21503508 23433310 26879385 28119972 29768700 30463303 35149965 35839180 41352900 44798975 46866620 53758770 58583275 60926606 70299930 89597950 91389909 107517540 117166550 121853212 134396925 140599860 152316515 175749825 179195900 182779818 234333100 268793850 304633030 351499650 365559636 456949545 537587700 609266060 702999300 761582575 913899090 1523165150 1827798180 2284747725 3046330300 4569495450 9138990900
- Sum of all divisors σ(n): 30316809600
- Sum of proper divisors (its aliquot sum) s(n): 21177818700
- 9138990900 is an abundant number, because the sum of its proper divisors (21177818700) is greater than itself. Its abundance is 12038827800
Bases of 9138990900
- Binary: 10001000001011100111101111001101002
- Hexadecimal: 0x220B9EF34
- Base-36: 4754AIC
Squares and roots of 9138990900
- 9138990900 squared (91389909002) is 83521154670282810000
- 9138990900 cubed (91389909003) is 763299072489207101016429000000
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The
square root of 9138990900 is 95598.0695411787 -
The
cube root of 9138990900 is 2090.7370476477
Scales and comparisons
How big is 9138990900?- 9,138,990,900 seconds is equal to 290 years, 30 weeks, 5 days, 8 hours, 35 minutes.
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To count from 1 to 9,138,990,900 would take you about five hundred eighty-one 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 9138990900 cubic inches would be around 174.2 feet tall.
Recreational maths with 9138990900
- 9138990900 backwards is 0090998319
- The number of decimal digits it has is: 10
- The sum of 9138990900's digits is 48
- More coming soon!
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