138366961 is an odd 9-digits composite number following 138366960
and preceding 138366962 . In scientific notation, it is written as 1.38366961 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 129872640 positive integers (up to 138366961) that are relatively prime to 138366961.
138366961 has 8 divisors, whose sum is 146905704
The reverse of 138366961 is 169663831
Previous prime number is 373
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred thirty-eight million three hundred sixty-six thousand nine hundred sixty-one
Scientific notation
1.38366961 × 10^8
Engineering notation
1.38366961 × 10^6
Prime Factorization
17 × 373 × 21821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138366961
Product of the distinct prime numbers
The prime factorization of 138366961 is 17 × 373 × 21821.
Since it has a total of 3 prime factors.
8 , 6 , 26 , 71 , 139 , 144 , 3754 , 2272 , 42887 , 91205 , 541543 , 799106 , 7568727 , 8695771 , 48622202 , 57511804 , 909013969 , 405888632 , 98245496 , 5750038995
n×2
276733922
n×3
415100883
n×4
553467844
n×5
691834805
n÷2
69183480.5
n÷3
46122320.333333
n÷3
34591740.25
n÷5
27673392.2
n2
19145415896375521
n3
2.6490930146626E+24
n4
3.6654694984519E+32
n5
5.0717987513898E+40
2 √n
11762.948652443
3 √n
517.22256952436
4 √n
108.45712817719
5 √n
42.482149261005
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
-138366960
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 138366961 can be divided by 8 positive divisors.
The sum of these divisors (counting 138366961) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001111110100111111110001
3
Ternary
100122100202210021
4
Quaternary
20033310333301
5
Quinary
240410220321
6
Senary
21421403441
8
Octal
1017647761
10
Decimal
138366961
12
Duodecimal
3a409581
16
Hexadecimal
83f4ff1
20
Vigesimal
234fh81
36
Base36
2adomp
md5
798fbd6b6fd6821d390b4b5ab8f95b10
sha1
1656c8eb3d6ed2be29eb9a0cb509619884a96f35
sha256
3c21e586edaeff373b34a07486b496d47b5bd630a87a7b582a8f926f7ebba763
sha512
d72e044e3948ee679390cdc44924d76007d8390f3605fadd5fe8263d89c483baedc37c4c80eafed475b5a9248ac9fdd5a393889be88a496e882ac070a9a52e62
ripemd-160
05239683da3cba05dbff5f9b5d63858eb14c3c6f
Diameter
276733922
Circumference
869385256.35429
Area
6.0147097929975E+16
Volume
1.1096494871387E+25
Surface area
2.405883917199E+17
Circumference
869385256.35429
Perimeter
553467844
Area
19145415896375521
Diagonal
195680432.83055
Surface area
114872495378253126
Volume
2.6490930146626E+24
Space diagonal
239658606.5409
Perimeter
415100883
Area
8.2902082661398E+15
Altitude
119829303.27045
Surface area
8.2902082661398E+15
Volume
3.1219860577697E+23
Height
65226810.943516