157438169 is an odd 9-digits composite number following 157438168
and preceding 157438170 . In scientific notation, it is written as 1.57438169 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 133045920 positive integers (up to 157438169) that are relatively prime to 157438169.
157438169 has 8 divisors, whose sum is 182464128
The reverse of 157438169 is 961834751
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred fifty-seven million four hundred thirty-eight thousand one hundred sixty-nine
Scientific notation
1.57438169 × 10^8
Engineering notation
1.57438169 × 10^6
Prime Factorization
7 × 71 × 316777
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157438169
Product of the distinct prime numbers
The prime factorization of 157438169 is 7 × 71 × 316777.
Since it has a total of 3 prime factors.
5 , 9 , 38 , 22 , 348 , 170 , 7858 , 1585 , 78670 , 39347 , 325644 , 940392 , 7043806 , 6739871 , 54802727 , 60870286 , 13543324 , 98068074 , 8039997046 , 220642884
n×2
314876338
n×3
472314507
n×4
629752676
n×5
787190845
n÷2
78719084.5
n÷3
52479389.666667
n÷3
39359542.25
n÷5
31487633.8
n2
24786777058072561
n3
3.9023847954342E+24
n4
6.1438431692659E+32
n5
9.6727541919238E+40
2 √n
12547.436750189
3 √n
539.97047049314
4 √n
112.01534158404
5 √n
43.593526836272
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
-157438168
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 157438169 can be divided by 8 positive divisors.
The sum of these divisors (counting 157438169) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011000100101000011011001
3
Ternary
101222020200120022
4
Quaternary
21120211003121
5
Quinary
310301010134
6
Senary
23342240225
8
Octal
1130450331
10
Decimal
157438169
12
Duodecimal
44886075
16
Hexadecimal
96250d9
20
Vigesimal
293jf89
36
Base36
2lqg2h
md5
d6fecbeff024c032d78f741c1dfe4867
sha1
10c141c1a4726ac19e78fb81cd3bf6279f921805
sha256
e9db19157ba4d5862e63103e75fb9505eb4b6285a9dc4566756ff0a42a1ea2fe
sha512
65e40393f0b85198582c9545e0c042738087b1913aea379df490458ddc9a6de1a194a9a0d6fccec5bcab9c795f7b0c82e16f20923f53018dbe505e741ca71013
ripemd-160
d61df1c1bc3b85627cd3e22a0cbd7c5ce1f2c3b3
Diameter
314876338
Circumference
989213190.25006
Area
7.7869956711809E+16
Volume
1.6346271206422E+25
Surface area
3.1147982684724E+17
Circumference
989213190.25006
Perimeter
629752676
Area
24786777058072561
Diagonal
222651193.83499
Surface area
148720662348435366
Volume
3.9023847954342E+24
Space diagonal
272690907.75862
Perimeter
472314507
Area
1.0732989305116E+16
Altitude
136345453.87931
Surface area
1.0732989305116E+16
Volume
4.5990045860846E+23
Height
74217064.611662