157225281 is an odd 9-digits composite number following 157225280
and preceding 157225282 . In scientific notation, it is written as 1.57225281 × 10^8.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 104816852 positive integers (up to 157225281) that are relatively prime to 157225281.
157225281 has 4 divisors, whose sum is 209633712
The reverse of 157225281 is 182522751
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 two hundred twenty-five thousand two hundred eighty-one
Scientific notation
1.57225281 × 10^8
Engineering notation
1.57225281 × 10^6
Prime Factorization
3 × 52408427
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157225281
Product of the distinct prime numbers
The prime factorization of 157225281 is 3 × 52408427.
Since it has a total of 2 prime factors.
6 , 8 , 5 , 53 , 574 , 860 , 5377 , 6597 , 81761 , 51073 , 984232 , 33501 , 5798431 , 2922386 , 84147098 , 55175585 , 772494641 , 96868276 , 2193009524 , 1178408451
n×2
314450562
n×3
471675843
n×4
628901124
n×5
786126405
n÷2
78612640.5
n÷3
52408427
n÷3
39306320.25
n÷5
31445056.2
n2
24719788985528961
n3
3.8865757695105E+24
n4
6.1106796748908E+32
n5
9.6075332898569E+40
2 √n
12538.950554173
3 √n
539.72697789646
4 √n
111.97745556215
5 √n
43.581731015046
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
-157225280
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 157225281 can be divided by 4 positive divisors.
The sum of these divisors (counting 157225281) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111110001000101000001
3
Ternary
101221211212112120
4
Quaternary
21113301011001
5
Quinary
310222202111
6
Senary
23333514453
8
Octal
1127610501
10
Decimal
157225281
12
Duodecimal
447a2a29
16
Hexadecimal
95f1141
20
Vigesimal
292d341
36
Base36
2llvsx
md5
16d15709d333608b39755350a3907e17
sha1
0f9ffddfa373a0de05bd64f4793fa4c5998dbe47
sha256
0f5287daed131234aebcb6b36c53ec38629e0d68e1c4f5ae1f35c08bf961d1eb
sha512
1c2753d5622b1f81d3a5dd204c39fc571259ce7dcee5d8932d74b685d1ce1728121c5672e962f94bb8f3c2627325a6af9fc6e381f1b9cf4d084dcaa5e0808cbe
ripemd-160
5921b467109d1e64c37466c41d797612c8faa998
Diameter
314450562
Circumference
987875575.49638
Area
7.7659507475228E+16
Volume
1.6280050513486E+25
Surface area
3.1063802990091E+17
Circumference
987875575.49638
Perimeter
628901124
Area
24719788985528961
Diagonal
222350124.73812
Surface area
148318733913173766
Volume
3.8865757695105E+24
Space diagonal
272322174.92629
Perimeter
471675843
Area
1.0703982618829E+16
Altitude
136161087.46315
Surface area
1.0703982618829E+16
Volume
4.5803734703603E+23
Height
74116708.24604