157218142 is an even 9-digits composite number following 157218141
and preceding 157218143 . In scientific notation, it is written as 1.57218142 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 73539328 positive integers (up to 157218142) that are relatively prime to 157218142.
157218142 has 16 divisors, whose sum is 251203680
The reverse of 157218142 is 241812751
Previous prime number is 167
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred fifty-seven million two hundred eighteen thousand one hundred forty-two
Scientific notation
1.57218142 × 10^8
Engineering notation
1.57218142 × 10^6
Prime Factorization
2 × 17 × 167 × 27689
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157218142
Product of the distinct prime numbers
The prime factorization of 157218142 is 2 × 17 × 167 × 27689.
Since it has a total of 4 prime factors.
2 , 4 , 5 , 87 , 151 , 843 , 6422 , 2724 , 71227 , 47156 , 884605 , 160062 , 9056500 , 902797 , 75473132 , 23943604 , 980443974 , 860220789 , 4301091334 , 964742557
n×2
314436284
n×3
471654426
n×4
628872568
n×5
786090710
n÷2
78609071
n÷3
52406047.333333
n÷3
39304535.5
n÷5
31443628.4
n2
24717544173932164
n3
3.8860463698285E+24
n4
6.1095698999029E+32
n5
9.6053522808186E+40
2 √n
12538.665877995
3 √n
539.71880879203
4 √n
111.97618442327
5 √n
43.58133523184
1 , 2 , 17 , 34 , 167 , 334 , 2839 , 5678 , 27689 , 55378 , 470713 , 941426 , 4624063 , 9248126 , 78609071 , 157218142
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
-157218141
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 157218142 can be divided by 16 positive divisors.
The sum of these divisors (counting 157218142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010111101111010101011110
3
Ternary
101221211111202011
4
Quaternary
21113233111132
5
Quinary
310221440032
6
Senary
23333421434
8
Octal
1127572536
10
Decimal
157218142
12
Duodecimal
4479a87a
16
Hexadecimal
95ef55e
20
Vigesimal
292c572
36
Base36
2llqam
md5
dc6dfa2edd7482949e8fe1dd2b059cf0
sha1
13478377a114866554979b0efebf844c96a43bea
sha256
cb28ea4a2b2a2a6af74f476b9efc2af0984a295ef48c38ba1f83b3fae9f0c9bf
sha512
abafff456fc7bd22830faf2f3858037aab68a89f47e86fdbb11017ee9a240c18d3adf791b1bbf2a461ea5f623835decd5610d2438690650ec7da12e922fc6324
ripemd-160
061b1fea90a8ad0599b28773e148e701c977318c
Diameter
314436284
Circumference
987830719.83647
Area
7.7652455191606E+16
Volume
1.6277832969283E+25
Surface area
3.1060982076643E+17
Circumference
987830719.83647
Perimeter
628872568
Area
24717544173932164
Diagonal
222340028.6675
Surface area
148305265043592984
Volume
3.8860463698285E+24
Space diagonal
272309809.81558
Perimeter
471654426
Area
1.0703010586895E+16
Altitude
136154904.90779
Surface area
1.0703010586895E+16
Volume
4.5797495668519E+23
Height
74113342.889166