139156921 is an odd 9-digits composite number following 139156920
and preceding 139156922 . In scientific notation, it is written as 1.39156921 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 135613440 positive integers (up to 139156921) that are relatively prime to 139156921.
139156921 has 8 divisors, whose sum is 142742600
The reverse of 139156921 is 129651931
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred thirty-nine million one hundred fifty-six thousand nine hundred twenty-one
Scientific notation
1.39156921 × 10^8
Engineering notation
1.39156921 × 10^6
Prime Factorization
61 × 109 × 20929
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
139156921
Product of the distinct prime numbers
The prime factorization of 139156921 is 61 × 109 × 20929.
Since it has a total of 3 prime factors.
10 , 9 , 15 , 46 , 348 , 920 , 7986 , 1478 , 88900 , 94366 , 473289 , 61728 , 2218928 , 7846087 , 51593081 , 49933145 , 958924748 , 823972329 , 3323454903 , 2199644985
n×2
278313842
n×3
417470763
n×4
556627684
n×5
695784605
n÷2
69578460.5
n÷3
46385640.333333
n÷3
34789230.25
n÷5
27831384.2
n2
19364648662200241
n3
2.6947248840786E+24
n4
3.7498961781045E+32
n5
5.2182400621469E+40
2 √n
11796.479178128
3 √n
518.20500549216
4 √n
108.61159780672
5 √n
42.530546395476
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
-139156920
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 139156921 can be divided by 8 positive divisors.
The sum of these divisors (counting 139156921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010010110101110110111001
3
Ternary
100200211220102001
4
Quaternary
20102311312321
5
Quinary
241111010141
6
Senary
21450341001
8
Octal
1022656671
10
Decimal
139156921
12
Duodecimal
3a72a761
16
Hexadecimal
84b5db9
20
Vigesimal
239ec61
36
Base36
2aum61
md5
1f72c561ca03e5686df2581cd00fa92b
sha1
07dec7de99fc0f1586dabf7cc1d0f287ca9e15fe
sha256
cba5bf1ca2c8a3cfd8f35ada650a80abb61fdb1838291f6ac45ba590f476e1ac
sha512
65fea9a7a034abc2b9d7042cfe7f2744a0be16d16139d33456e482798692f86757f1b61b1a65ce95130d4ef1db052654b5f002dfc058d8f2e04004567102f85f
ripemd-160
94d9d66c6341cad989fb10b771eb90ad6e8d69c7
Diameter
278313842
Circumference
874348721.41955
Area
6.0835837976516E+16
Volume
1.1287637199022E+25
Surface area
2.4334335190606E+17
Circumference
874348721.41955
Perimeter
556627684
Area
19364648662200241
Diagonal
196797604.97628
Surface area
116187891973201446
Volume
2.6947248840786E+24
Space diagonal
241026857.39685
Perimeter
417470763
Area
8.3851388384129E+15
Altitude
120513428.69842
Surface area
8.3851388384129E+15
Volume
3.1757637316068E+23
Height
65599201.65876