157438221 is an odd 9-digits composite number following 157438220
and preceding 157438222 . In scientific notation, it is written as 1.57438221 × 10^8.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 104958812 positive integers (up to 157438221) that are relatively prime to 157438221.
157438221 has 4 divisors, whose sum is 209917632
The reverse of 157438221 is 122834751
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred fifty-seven million four hundred thirty-eight thousand two hundred twenty-one
Scientific notation
1.57438221 × 10^8
Engineering notation
1.57438221 × 10^6
Prime Factorization
3 × 52479407
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157438221
Product of the distinct prime numbers
The prime factorization of 157438221 is 3 × 52479407.
Since it has a total of 2 prime factors.
4 , 3 , 53 , 31 , 215 , 173 , 248 , 9502 , 15455 , 84413 , 119638 , 955331 , 3495353 , 8739931 , 5570067 , 97826823 , 537088632 , 43151993 , 572324189 , 1036105386
n×2
314876442
n×3
472314663
n×4
629752884
n×5
787191105
n÷2
78719110.5
n÷3
52479407
n÷3
39359555.25
n÷5
31487644.2
n2
24786793431644841
n3
3.9023886621726E+24
n4
6.1438512862303E+32
n5
9.6727701659266E+40
2 √n
12547.438822325
3 √n
539.97052994179
4 √n
112.01535083338
5 √n
43.593529715958
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157438220
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157438221 can be divided by 4 positive divisors.
The sum of these divisors (counting 157438221) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000100101000100001101
3
Ternary
101222020200122020
4
Quaternary
21120211010031
5
Quinary
310301010341
6
Senary
23342240353
8
Octal
1130450415
10
Decimal
157438221
12
Duodecimal
448860b9
16
Hexadecimal
962510d
20
Vigesimal
293jfb1
36
Base36
2lqg3x
md5
00f5003b778c57a2c419342cfaf15d1a
sha1
c1ded66f09ef1c7593b75b21e209a68345176317
sha256
4c2fe07288226c1402f1134329221a4901989d0c571430b3268f6b0214e570fd
sha512
1b70147fbe2d578bfee92280e587113b2a97ec0d9dd355c6a3d7e5eec5320bcb578d46085713ad2a000f68e07aa728b2c06d3e31644b994858f4530c44055e2c
ripemd-160
89eaec8ae1285fbf362f18918e65b6214a081186
Diameter
314876442
Circumference
989213516.97569
Area
7.7870008150903E+16
Volume
1.6346287403378E+25
Surface area
3.1148003260361E+17
Circumference
989213516.97569
Perimeter
629752884
Area
24786793431644841
Diagonal
222651267.37409
Surface area
148720760589869046
Volume
3.9023886621726E+24
Space diagonal
272690997.82526
Perimeter
472314663
Area
1.0732996395081E+16
Altitude
136345498.91263
Surface area
1.0732996395081E+16
Volume
4.5990091430796E+23
Height
74217089.124698