157220988 is an even 9-digits composite number following 157220987
and preceding 157220989 . In scientific notation, it is written as 1.57220988 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 52406992 positive integers (up to 157220988) that are relatively prime to 157220988.
157220988 has 12 divisors, whose sum is 366849000
The reverse of 157220988 is 889022751
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred fifty-seven million two hundred twenty thousand nine hundred eighty-eight
Scientific notation
1.57220988 × 10^8
Engineering notation
1.57220988 × 10^6
Prime Factorization
2 × 2 × 3 × 13101749
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78610494
Product of the distinct prime numbers
The prime factorization of 157220988 is 2 × 2 × 3 × 13101749.
Since it has a total of 4 prime factors.
6 , 2 , 61 , 77 , 177 , 752 , 3087 , 3555 , 41949 , 5631 , 169340 , 810636 , 7595253 , 9126712 , 9750868 , 43040395 , 270216596 , 659494909 , 2696450929 , 3603200422
n×2
314441976
n×3
471662964
n×4
628883952
n×5
786104940
n÷2
78610494
n÷3
52406996
n÷3
39305247
n÷5
31444197.6
n2
24718439067696144
n3
3.886257412041E+24
n4
6.1100122994341E+32
n5
9.6062217040918E+40
2 √n
12538.77936643
3 √n
539.72206547824
4 √n
111.97669117468
5 √n
43.581493014626
1 , 2 , 3 , 4 , 6 , 12 , 13101749 , 26203498 , 39305247 , 52406996 , 78610494 , 157220988
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
-157220987
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 157220988 can be divided by 12 positive divisors.
The sum of these divisors (counting 157220988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001010111110000000001111100
3
Ternary
101221211122122120
4
Quaternary
21113300001330
5
Quinary
310222032423
6
Senary
23333442540
8
Octal
1127600174
10
Decimal
157220988
12
Duodecimal
447a0450
16
Hexadecimal
95f007c
20
Vigesimal
292cc98
36
Base36
2llsho
md5
53843c68e37e396bcfa67a8251e95fd9
sha1
256385632adbf6705821d2f075a0b84787ca0642
sha256
9f1d59bf85080f71f04b5704fb2fa19ee9b4b48eafcf3fdec51abf2c5830f2b2
sha512
9f56846df061851418fe75948cfecebf505e5ba28b3b3740719a23ea198b03046690ed95a7df5548ba2db420e45f160eca1fa1373665adf16013123694843764
ripemd-160
f59ed4073620b4c3aba8b83746a5638a5c5d7487
Diameter
314441976
Circumference
987848601.78186
Area
7.7655266583281E+16
Volume
1.6278716980836E+25
Surface area
3.1062106633312E+17
Circumference
987848601.78186
Perimeter
628883952
Area
24718439067696144
Diagonal
222344053.5193
Surface area
148310634406176864
Volume
3.886257412041E+24
Space diagonal
272314739.23218
Perimeter
471662964
Area
1.0703398087261E+16
Altitude
136157369.61609
Surface area
1.0703398087261E+16
Volume
4.5799982824844E+23
Height
74114684.506433