138811897 is an odd 9-digits composite number following 138811896
and preceding 138811898 . In scientific notation, it is written as 1.38811897 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 118893264 positive integers (up to 138811897) that are relatively prime to 138811897.
138811897 has 8 divisors, whose sum is 158760000
The reverse of 138811897 is 798118831
Previous prime number is 13229
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred thirty-eight million eight hundred eleven thousand eight hundred ninety-seven
Scientific notation
1.38811897 × 10^8
Engineering notation
1.38811897 × 10^6
Prime Factorization
7 × 13229 × 1499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138811897
Product of the distinct prime numbers
The prime factorization of 138811897 is 7 × 13229 × 1499.
Since it has a total of 3 prime factors.
1 , 3 , 75 , 38 , 648 , 744 , 7305 , 2531 , 75558 , 71360 , 98940 , 285760 , 5696520 , 8489234 , 39178244 , 96891255 , 752265272 , 988487663 , 9820443790 , 6026971274
n×2
277623794
n×3
416435691
n×4
555247588
n×5
694059485
n÷2
69405948.5
n÷3
46270632.333333
n÷3
34702974.25
n÷5
27762379.4
n2
19268742748738609
n3
2.6747307337574E+24
n4
3.7128444711707E+32
n5
5.1538698430916E+40
2 √n
11781.846077759
3 √n
517.77637395811
4 √n
108.54421254843
5 √n
42.509435502973
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138811896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138811897 can be divided by 8 positive divisors.
The sum of these divisors (counting 138811897) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001100001100111111001
3
Ternary
100200012101010101
4
Quaternary
20101201213321
5
Quinary
241013440042
6
Senary
21435115401
8
Octal
1021414771
10
Decimal
138811897
12
Duodecimal
3a5a2b61
16
Hexadecimal
84619f9
20
Vigesimal
237b9eh
36
Base36
2an7y1
md5
632ce1334a66b618b617f8d97f8082dd
sha1
d4017a808bea478b3ce74f369c794bb184343a79
sha256
cef9eb2c7f41632f16602bffbe389ec8a0b5bd4a2c3b8dc09c1f5f3cc3d297c0
sha512
d6e25cab1f230ddefbad2699abad60e01dcce370e150cf81a501342b9bd93fdc16db8a2b6b0682c915cd2ca85f363b68368a8022e435eb38735158b70e35080f
ripemd-160
fd00018215fdc9f108dff12d797badd4f0c0fa39
Diameter
277623794
Circumference
872180871.69213
Area
6.0534540663349E+16
Volume
1.1203885898004E+25
Surface area
2.421381626534E+17
Circumference
872180871.69213
Perimeter
555247588
Area
19268742748738609
Diagonal
196309667.35614
Surface area
115612456492431654
Volume
2.6747307337574E+24
Space diagonal
240429258.29902
Perimeter
416435691
Area
8.3436103596974E+15
Altitude
120214629.14951
Surface area
8.3436103596974E+15
Volume
3.1522003994799E+23
Height
65436555.785379