157440979 is an odd 9-digits composite number following 157440978
and preceding 157440980 . In scientific notation, it is written as 1.57440979 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 156047584 positive integers (up to 157440979) that are relatively prime to 157440979.
157440979 has 4 divisors, whose sum is 158834376
The reverse of 157440979 is 979044751
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred fifty-seven million four hundred forty thousand nine hundred seventy-nine
Scientific notation
1.57440979 × 10^8
Engineering notation
1.57440979 × 10^6
Prime Factorization
113 × 1393283
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157440979
Product of the distinct prime numbers
The prime factorization of 157440979 is 113 × 1393283.
Since it has a total of 2 prime factors.
8 , 4 , 74 , 48 , 779 , 479 , 7337 , 2402 , 11856 , 28136 , 56318 , 38881 , 9780451 , 6075143 , 74380300 , 418720 , 596591330 , 606434339 , 7513627076 , 8183309651
n×2
314881958
n×3
472322937
n×4
629763916
n×5
787204895
n÷2
78720489.5
n÷3
52480326.333333
n÷3
39360244.75
n÷5
31488195.8
n2
24787661868478441
n3
3.9025937516942E+24
n4
6.1442818090602E+32
n5
9.6736174327033E+40
2 √n
12547.548724751
3 √n
539.97368298815
4 √n
112.0158414009
5 √n
43.593682449026
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
-157440978
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 157440979 can be divided by 4 positive divisors.
The sum of these divisors (counting 157440979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000100101101111010011
3
Ternary
101222020211102101
4
Quaternary
21120211233103
5
Quinary
310301102404
6
Senary
23342301231
8
Octal
1130455723
10
Decimal
157440979
12
Duodecimal
44887817
16
Hexadecimal
9625bd3
20
Vigesimal
294028j
36
Base36
2lqi8j
md5
6b4cc74005909db762a118e4b79109ab
sha1
0ccaa11beea917d26bde8a564b5dc3146c4bf096
sha256
4ebe8e433d1d71d49f956b04c9a0ff46d74a2e78debeabe540d63bc312bc61db
sha512
5b0ce1cb755ebb5060c4cb237230ce7cb9e88bd2890eebeba7d04b002c9a6fe0360eae88461bbdc5f7f665c2a39df1471eca92c3fbca2da67db845e430451464
ripemd-160
ba7f0f8944af515c6eae20e71b75f7deaca6f1c0
Diameter
314881958
Circumference
989230846.00077
Area
7.787273642568E+16
Volume
1.6347146480357E+25
Surface area
3.1149094570272E+17
Circumference
989230846.00077
Perimeter
629763916
Area
24787661868478441
Diagonal
222655167.7751
Surface area
148725971210870646
Volume
3.9025937516942E+24
Space diagonal
272695774.82138
Perimeter
472322937
Area
1.0733372439261E+16
Altitude
136347887.41069
Surface area
1.0733372439261E+16
Volume
4.5992508433987E+23
Height
74218389.258366