138798421 is an odd 9-digits composite number following 138798420
and preceding 138798422 . In scientific notation, it is written as 1.38798421 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 130633792 positive integers (up to 138798421) that are relatively prime to 138798421.
138798421 has 4 divisors, whose sum is 146963052
The reverse of 138798421 is 124897831
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred thirty-eight million seven hundred ninety-eight thousand four hundred twenty-one
Scientific notation
1.38798421 × 10^8
Engineering notation
1.38798421 × 10^6
Prime Factorization
17 × 8164613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138798421
Product of the distinct prime numbers
The prime factorization of 138798421 is 17 × 8164613.
Since it has a total of 2 prime factors.
2 , 2 , 42 , 35 , 214 , 138 , 6557 , 3306 , 37423 , 91865 , 110710 , 552816 , 9164797 , 5286446 , 39122958 , 34682777 , 125001702 , 740902085 , 5771357894 , 8250885173
n×2
277596842
n×3
416395263
n×4
555193684
n×5
693992105
n÷2
69399210.5
n÷3
46266140.333333
n÷3
34699605.25
n÷5
27759684.2
n2
19265001672093241
n3
2.6739518126489E+24
n4
3.7114028942576E+32
n5
5.1513686141778E+40
2 √n
11781.274167084
3 √n
517.75961799705
4 √n
108.54157805691
5 √n
42.508610099082
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138798420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138798421 can be divided by 4 positive divisors.
The sum of these divisors (counting 138798421) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001011110010101010101
3
Ternary
100200011200122021
4
Quaternary
20101132111111
5
Quinary
241013022141
6
Senary
21434533141
8
Octal
1021362525
10
Decimal
138798421
12
Duodecimal
3a5971b1
16
Hexadecimal
845e555
20
Vigesimal
2379g11
36
Base36
2amxjp
md5
3cb6dd9bbca303e285477dcd4aaa6875
sha1
4471135f1671547ef66fd0ff8043cef32b5a8785
sha256
9dcdca9e67cfef6f2c6baca53c82485b090d5f3e35f4fe2560cda693af284e52
sha512
c952a704ff3561c2ab0f43af15ee097215762bb3cbd8a659252ffaa6d7bdffdf23aaf8d857c28c69014058cf6f329223aa1a06303408d671e4c75ceb50e123fd
ripemd-160
27cf96391e3f0465433e288b5dc6def8546b3acf
Diameter
277596842
Circumference
872096199.48693
Area
6.0522787724443E+16
Volume
1.1200623160895E+25
Surface area
2.4209115089777E+17
Circumference
872096199.48693
Perimeter
555193684
Area
19265001672093241
Diagonal
196290609.41417
Surface area
115590010032559446
Volume
2.6739518126489E+24
Space diagonal
240405917.18233
Perimeter
416395263
Area
8.3419904259912E+15
Altitude
120202958.59117
Surface area
8.3419904259912E+15
Volume
3.1512824321502E+23
Height
65430203.138057