157438942 is an even 9-digits composite number following 157438941
and preceding 157438943 . In scientific notation, it is written as 1.57438942 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 77196600 positive integers (up to 157438942) that are relatively prime to 157438942.
157438942 has 16 divisors, whose sum is 240768000
The reverse of 157438942 is 249834751
Previous prime number is 79
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred fifty-seven million four hundred thirty-eight thousand nine hundred forty-two
Scientific notation
1.57438942 × 10^8
Engineering notation
1.57438942 × 10^6
Prime Factorization
2 × 151 × 79 × 6599
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157438942
Product of the distinct prime numbers
The prime factorization of 157438942 is 2 × 151 × 79 × 6599.
Since it has a total of 4 prime factors.
6 , 7 , 47 , 58 , 538 , 83 , 9963 , 7812 , 70191 , 7756 , 45724 , 19192 , 8886943 , 7455683 , 5669266 , 88826550 , 517503804 , 767626106 , 687386500 , 4587600149
n×2
314877884
n×3
472316826
n×4
629755768
n×5
787194710
n÷2
78719471
n÷3
52479647.333333
n÷3
39359735.5
n÷5
31487788.4
n2
24787020458079364
n3
3.9024422762524E+24
n4
6.1439638318924E+32
n5
9.6729916537941E+40
2 √n
12547.467553256
3 √n
539.97135421889
4 √n
112.01547907881
5 √n
43.593569643845
1 , 2 , 79 , 151 , 158 , 302 , 6599 , 11929 , 13198 , 23858 , 521321 , 996449 , 1042642 , 1992898 , 78719471 , 157438942
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157438941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157438942 can be divided by 16 positive divisors.
The sum of these divisors (counting 157438942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011000100101001111011110
3
Ternary
101222020201121221
4
Quaternary
21120211033132
5
Quinary
310301021232
6
Senary
23342243554
8
Octal
1130451736
10
Decimal
157438942
12
Duodecimal
448865ba
16
Hexadecimal
96253de
20
Vigesimal
293jh72
36
Base36
2lqgny
md5
43f44151b5dfb6ed466ef0a9b1176b28
sha1
727d435f551392b5b64efdb341d77bb8293c9d41
sha256
88e98c9ee4326aca3c1102fb5dcfb64a7efdabe3c5adbf77f9fb7e7f6a2f6a4a
sha512
8a4112bb00722618a83ecd989b3e3f46388ea5f333f35cf3abf205beef4693cbbd56588e040af5e785282147de8a5b89dadd42b4cc639a4eec49c954143a8404
ripemd-160
9db1ce364a63d6a18f95e1d439e8997cb633a145
Diameter
314877884
Circumference
989218047.1523
Area
7.7870721375482E+16
Volume
1.634651198151E+25
Surface area
3.1148288550193E+17
Circumference
989218047.1523
Perimeter
629755768
Area
24787020458079364
Diagonal
222652287.02207
Surface area
148722122748476184
Volume
3.9024422762524E+24
Space diagonal
272692246.63389
Perimeter
472316826
Area
1.0733094700411E+16
Altitude
136346123.31694
Surface area
1.0733094700411E+16
Volume
4.5990723278785E+23
Height
74217429.007357