123156961 is an odd 9-digits composite number following 123156960
and preceding 123156962 . In scientific notation, it is written as 1.23156961 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 122718400 positive integers (up to 123156961) that are relatively prime to 123156961.
123156961 has 4 divisors, whose sum is 123595524
The reverse of 123156961 is 169651321
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-three million one hundred fifty-six thousand nine hundred sixty-one
Scientific notation
1.23156961 × 10^8
Engineering notation
1.23156961 × 10^6
Prime Factorization
281 × 438281
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
123156961
Product of the distinct prime numbers
The prime factorization of 123156961 is 281 × 438281.
Since it has a total of 2 prime factors.
2 , 6 , 98 , 29 , 303 , 753 , 7304 , 1972 , 27482 , 91274 , 591507 , 516127 , 1052736 , 4756282 , 25716976 , 12527946 , 990707531 , 717579730 , 9469604522 , 1001832017
n×2
246313922
n×3
369470883
n×4
492627844
n×5
615784805
n÷2
61578480.5
n÷3
41052320.333333
n÷3
30789240.25
n÷5
24631392.2
n2
15167637042755521
n3
1.8680000837368E+24
n4
2.3005721346077E+32
n5
2.8333147265957E+40
2 √n
11097.610598683
3 √n
497.53043726812
4 √n
105.34519732139
5 √n
41.504175685366
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
-123156960
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 123156961 can be divided by 4 positive divisors.
The sum of these divisors (counting 123156961) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010101110011100111100001
3
Ternary
22120202000120221
4
Quaternary
13111303213201
5
Quinary
223012010321
6
Senary
20115403041
8
Octal
725634741
10
Decimal
123156961
12
Duodecimal
352b3481
16
Hexadecimal
75739e1
20
Vigesimal
1i9ec81
36
Base36
21boip
md5
33022b95a19cf0b060ed214acfc2d737
sha1
f788eca02d8aeedba7efaf699fabd83d428880be
sha256
6c4696bba0f0fb77218207c38aa28697c06977c2b3859adec78c4e1e524196df
sha512
a5a0e44f1fb02a732e7e851ff5f5ff596d9ee68f65bd9f1bdc381816e530029bce77f8b2c4e3d3e153c0f03bc053242ec43942bce03a12b4eb39d03b82215e6c
ripemd-160
af0e9acbac1f45a496ed5862d86015484e6e3e3e
Diameter
246313922
Circumference
773818007.83209
Area
4.7650537105837E+16
Volume
7.8246604532969E+24
Surface area
1.9060214842335E+17
Circumference
773818007.83209
Perimeter
492627844
Area
15167637042755521
Diagonal
174170244.54685
Surface area
91005822256533126
Volume
1.8680000837368E+24
Space diagonal
213314113.75778
Perimeter
369470883
Area
6.5677794972041E+15
Altitude
106657056.87889
Surface area
6.5677794972041E+15
Volume
2.2014592107789E+23
Height
58056748.182285