157438420 is an even 9-digits composite number following 157438419
and preceding 157438421 . In scientific notation, it is written as 1.57438420 × 10^8.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 62493600 positive integers (up to 157438420) that are relatively prime to 157438420.
157438420 has 24 divisors, whose sum is 333150048
The reverse of 157438420 is 024834751
Previous prime number is 131
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred fifty-seven million four hundred thirty-eight thousand four hundred twenty
Scientific notation
1.57438420 × 10^8
Engineering notation
1.57438420 × 10^6
Prime Factorization
2 × 2 × 5 × 131 × 60091
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78719210
Product of the distinct prime numbers
The prime factorization of 157438420 is 2 × 2 × 5 × 131 × 60091.
Since it has a total of 5 prime factors.
5 , 3 , 31 , 48 , 482 , 612 , 8578 , 2178 , 71422 , 99450 , 497583 , 445639 , 8471618 , 485290 , 34216005 , 42315061 , 810338984 , 446683590 , 5873060136 , 3559700793
n×2
314876840
n×3
472315260
n×4
629753680
n×5
787192100
n÷2
78719210
n÷3
52479473.333333
n÷3
39359605
n÷5
31487684
n2
24786856092096400
n3
3.902403459907E+24
n4
6.143882349303E+32
n5
9.6728312974015E+40
2 √n
12547.446752228
3 √n
539.9707574471
4 √n
112.01538622988
5 √n
43.593540736291
1 , 2 , 4 , 5 , 10 , 20 , 131 , 262 , 524 , 655 , 1310 , 2620 , 60091 , 120182 , 240364 , 300455 , 600910 , 1201820 , 7871921 , 15743842 , 31487684 , 39359605 , 78719210 , 157438420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157438419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157438420 can be divided by 24 positive divisors.
The sum of these divisors (counting 157438420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001011000100101000111010100
3
Ternary
101222020200220121
4
Quaternary
21120211013110
5
Quinary
310301012140
6
Senary
23342241324
8
Octal
1130450724
10
Decimal
157438420
12
Duodecimal
44886244
16
Hexadecimal
96251d4
20
Vigesimal
293jg10
36
Base36
2lqg9g
md5
d9916a20b92ce9f70eb0193187aa06ed
sha1
5f726aba19df05570415378839f92d5f5d44eda9
sha256
6f348cbf82872bb60918e42422de97e3c37f2f127460320124fd71d0f8549173
sha512
0d1d6e7fa6f4d81d61c459ba3f2a86bf1c57241bf2237b198585e513796a6f0b1f5e30b96d98784af3beffc20d44fa78a03f7bdda6eadc90f2ca38a0d656c4a5
ripemd-160
14e554c55ea03a208416a10940b4630ce4cda366
Diameter
314876840
Circumference
989214767.32957
Area
7.7870205004517E+16
Volume
1.6346349387983E+25
Surface area
3.1148082001807E+17
Circumference
989214767.32957
Perimeter
629753680
Area
24786856092096400
Diagonal
222651548.80259
Surface area
148721136552578400
Volume
3.902403459907E+24
Space diagonal
272691342.50337
Perimeter
472315260
Area
1.0733023527852E+16
Altitude
136345671.25168
Surface area
1.0733023527852E+16
Volume
4.5990265823768E+23
Height
74217182.934197