138728312250
138,728,312,250 is an even composite number composed of seven prime numbers multiplied together.
138728312250 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 138728312250:
2 × 3 × 53 × 11 × 23 × 131 × 5581
(2 × 3 × 5 × 5 × 5 × 11 × 23 × 131 × 5581)See below for interesting mathematical facts about the number 138728312250 from the Numbermatics database.
Names of 138728312250
- Cardinal: 138728312250 can be written as One hundred thirty-eight billion, seven hundred twenty-eight million, three hundred twelve thousand, two hundred fifty.
Scientific notation
- Scientific notation: 1.3872831225 × 1011
Factors of 138728312250
Divisors of 138728312250
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 5 6 10 11 15 22 23 25 30 33 46 50 55 66 69 75 110 115 125 131 138 150 165 230 250 253 262 275 330 345 375 393 506 550 575 655 690 750 759 786 825 1150 1265 1310 1375 1441 1518 1650 1725 1965 2530 2750 2875 2882 3013 3275 3450 3795 3930 4125 4323 5581 5750 6026 6325 6550 7205 7590 8250 8625 8646 9039 9825 11162 12650 14410 15065 16375 16743 17250 18078 18975 19650 21615 27905 30130 31625 32750 33143 33486 36025 37950 43230 45195 49125 55810 61391 63250 66286 72050 75325 83715 90390 94875 98250 99429 108075 122782 128363 139525 150650 165715 167430 180125 184173 189750 198858 216150 225975 256726 279050 306955 331430 360250 368346 376625 385089 418575 451950 497145 540375 613910 641815 697625 731111 753250 770178 828575 837150 920865 994290 1080750 1129875 1283630 1395250 1411993 1462222 1534775 1657150 1841730 1925445 2092875 2193333 2259750 2485725 2823986 3069550 3209075 3655555 3850890 4142875 4185750 4235979 4386666 4604325 4971450 6418150 7059965 7311110 7673875 8042221 8285750 8471958 9208650 9627225 10966665 12428625 14119930 15347750 16045375 16084442 16815553 18277775 19254450 21179895 21933330 23021625 24126663 24857250 32090750 33631106 35299825 36555550 40211105 42359790 46043250 48136125 48253326 50446659 54833325 70599650 80422210 84077765 91388875 96272250 100893318 105899475 109666650 120633315 168155530 176499125 182777750 184971083 201055525 211798950 241266630 252233295 274166625 352998250 369942166 402111050 420388825 504466590 529497375 548333250 554913249 603166575 840777650 924855415 1005277625 1058994750 1109826498 1206333150 1261166475 1849710830 2010555250 2101944125 2522332950 2774566245 3015832875 4203888250 4624277075 5549132490 6031665750 6305832375 9248554150 12611664750 13872831225 23121385375 27745662450 46242770750 69364156125 138728312250
- Sum of all divisors σ(n): 397248344064
- Sum of proper divisors (its aliquot sum) s(n): 258520031814
- 138728312250 is an abundant number, because the sum of its proper divisors (258520031814) is greater than itself. Its abundance is 119791719564
Bases of 138728312250
- Binary: 100000010011001101101000001101101110102
- Hexadecimal: 0x204CDA0DBA
- Base-36: 1RQB96T6
Squares and roots of 138728312250
- 138728312250 squared (1387283122502) is 19245544619733500062500
- 138728312250 cubed (1387283122503) is 2669901923427696508455894515625000
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The
square root of 138728312250 is 372462.4977766217 -
The
cube root of 138728312250 is 5176.7242778061
Scales and comparisons
How big is 138728312250?- 138,728,312,250 seconds is equal to 4,411 years, 6 weeks, 5 days, 18 hours, 17 minutes, 30 seconds.
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To count from 1 to 138,728,312,250 would take you about eight thousand, eight hundred twenty-two 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 138728312250 cubic inches would be around 431.4 feet tall.
Recreational maths with 138728312250
- 138728312250 backwards is 052213827831
- The number of decimal digits it has is: 12
- The sum of 138728312250's digits is 42
- More coming soon!
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