157238220 is an even 9-digits composite number following 157238219
and preceding 157238221 . In scientific notation, it is written as 1.57238220 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 41930176 positive integers (up to 157238220) that are relatively prime to 157238220.
157238220 has 12 divisors, whose sum is 293511456
The reverse of 157238220 is 022832751
Previous prime number is 15
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred fifty-seven million two hundred thirty-eight thousand two hundred twenty
Scientific notation
1.57238220 × 10^8
Engineering notation
1.57238220 × 10^6
Prime Factorization
2 × 2 × 15 × 2620637
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78619110
Product of the distinct prime numbers
The prime factorization of 157238220 is 2 × 2 × 15 × 2620637.
Since it has a total of 4 prime factors.
3 , 10 , 88 , 91 , 626 , 933 , 7800 , 6077 , 45599 , 94005 , 291393 , 288214 , 9506665 , 9324837 , 49501838 , 13635956 , 265102475 , 465156720 , 1818994736 , 7752516380
n×2
314476440
n×3
471714660
n×4
628952880
n×5
786191100
n÷2
78619110
n÷3
52412740
n÷3
39309555
n÷5
31447644
n2
24723857828768400
n3
3.8875353965286E+24
n4
6.1126914593715E+32
n5
9.6114872448078E+40
2 √n
12539.466495828
3 √n
539.74178326736
4 √n
111.97975931314
5 √n
43.582448311211
1 , 2 , 4 , 15 , 30 , 60 , 2620637 , 5241274 , 10482548 , 39309555 , 78619110 , 157238220
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157238219
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157238220 can be divided by 12 positive divisors.
The sum of these divisors (counting 157238220) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001010111110100001111001100
3
Ternary
101221212112021210
4
Quaternary
21113310033030
5
Quinary
310223110340
6
Senary
23334054420
8
Octal
1127641714
10
Decimal
157238220
12
Duodecimal
447aa410
16
Hexadecimal
95f43cc
20
Vigesimal
292efb0
36
Base36
2lm5sc
md5
5d36c77c507c0bc4d5434dbc78afdaaa
sha1
d8e3b84c7465ee7b9c9b21f2b04c291682ddc68c
sha256
e754df3d3cc80d3c0d8e53325dd5f0660cbae8e17883686fd9efe60f34edb53d
sha512
42cad4fa9f8ac2886c9113c1ace754182fdc2c03b0b11e4193e95477cf07b3e44da226bd12e3eb93b476dc3a6ce0e873a75a0fe837c95cf6b6d079c6fc58ad47
ripemd-160
77f9509ff4ba23107e768af827bee2ed83ce5413
Diameter
314476440
Circumference
987956873.63107
Area
7.7672290123257E+16
Volume
1.6284070189739E+25
Surface area
3.1068916049303E+17
Circumference
987956873.63107
Perimeter
628952880
Area
24723857828768400
Diagonal
222368423.2474
Surface area
148343146972610400
Volume
3.8875353965286E+24
Space diagonal
272344585.93169
Perimeter
471714660
Area
1.0705744479634E+16
Altitude
136172292.96585
Surface area
1.0705744479634E+16
Volume
4.5815044016469E+23
Height
74122807.749135