138428263890
138,428,263,890 is an even composite number composed of seven prime numbers multiplied together.
What does the number 138428263890 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 288 divisors.
138428263890 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 138428263890:
2 × 32 × 5 × 72 × 29 × 601 × 1801
(2 × 3 × 3 × 5 × 7 × 7 × 29 × 601 × 1801)See below for interesting mathematical facts about the number 138428263890 from the Numbermatics database.
Names of 138428263890
- Cardinal: 138428263890 can be written as One hundred thirty-eight billion, four hundred twenty-eight million, two hundred sixty-three thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 1.3842826389 × 1011
Factors of 138428263890
Divisors of 138428263890
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 29 30 35 42 45 49 58 63 70 87 90 98 105 126 145 147 174 203 210 245 261 290 294 315 406 435 441 490 522 601 609 630 735 870 882 1015 1202 1218 1305 1421 1470 1801 1803 1827 2030 2205 2610 2842 3005 3045 3602 3606 3654 4207 4263 4410 5403 5409 6010 6090 7105 8414 8526 9005 9015 9135 10806 10818 12607 12621 12789 14210 16209 17429 18010 18030 18270 21035 21315 25214 25242 25578 27015 27045 29449 32418 34858 37821 37863 42070 42630 52229 52287 54030 54090 58898 63035 63105 63945 75642 75726 81045 87145 88249 88347 104458 104574 113463 122003 126070 126210 127890 147245 156687 156861 162090 174290 176498 176694 189105 189315 226926 244006 261145 261435 264747 265041 294490 313374 313722 365603 366009 378210 378630 441245 441735 470061 522290 522870 529494 530082 567315 610015 731206 732018 783435 784305 794241 854021 882490 883470 940122 1082401 1096809 1098027 1134630 1220030 1323735 1325205 1566870 1568610 1588482 1708042 1828015 1830045 2164802 2193618 2196054 2350305 2559221 2562063 2647470 2650410 3247203 3290427 3656030 3660090 3971205 4270105 4700610 5118442 5124126 5412005 5484045 5490135 6494406 6580854 7576807 7677663 7686189 7942410 8540210 9741609 10824010 10968090 10980270 12796105 12810315 15153614 15355326 15372378 16236015 16452135 19483218 22730421 23032989 25592210 25620630 31389629 32472030 32904270 37884035 38388315 38430945 45460842 46065978 48708045 53037649 62779258 68191263 75768070 76776630 76861890 94168887 97416090 106075298 113652105 115164945 136382526 156948145 159112947 188337774 219727403 227304210 230329890 265188245 282506661 313896290 318225894 340956315 439454806 470844435 477338841 530376490 565013322 659182209 681912630 795564735 941688870 954677682 1098637015 1318364418 1412533305 1538091821 1591129470 1977546627 2197274030 2386694205 2825066610 3076183642 3295911045 3955093254 4614275463 4773388410 6591822090 7690459105 9228550926 9887733135 13842826389 15380918210 19775466270 23071377315 27685652778 46142754630 69214131945 138428263890
- Sum of all divisors σ(n): 434073472560
- Sum of proper divisors (its aliquot sum) s(n): 295645208670
- 138428263890 is an abundant number, because the sum of its proper divisors (295645208670) is greater than itself. Its abundance is 157216944780
Bases of 138428263890
- Binary: 100000001110101111011110101101110100102
- Hexadecimal: 0x203AF7ADD2
- Base-36: 1RLCM40I
Squares and roots of 138428263890
- 138428263890 squared (1384282638902) is 19162384243599477932100
- 138428263890 cubed (1384282638903) is 2652615582834566574650970301869000
-
The
square root of 138428263890 is 372059.4897190501 -
The
cube root of 138428263890 is 5172.9894266195
Scales and comparisons
How big is 138428263890?- 138,428,263,890 seconds is equal to 4,401 years, 30 weeks, 4 days, 23 hours, 31 minutes, 30 seconds.
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To count from 1 to 138,428,263,890 would take you about eight thousand, eight hundred three 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 138428263890 cubic inches would be around 431.1 feet tall.
Recreational maths with 138428263890
- 138428263890 backwards is 098362824831
- The number of decimal digits it has is: 12
- The sum of 138428263890's digits is 54
- More coming soon!
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