157220 is an even 6-digits composite number following 157219
and preceding 157221 . In scientific notation, it is written as 1.57220 × 10^5.
The sum of its digits is 17. It has a total of 5 prime factors and 24 positive divisors.
There are 53856 positive integers (up to 157220) that are relatively prime to 157220.
157220 has 24 divisors, whose sum is 377664
The reverse of 157220 is 022751
Previous prime number is 5
Is Prime? no
Number parity even
Number length 6
Sum of Digits 17
Digital Root 8
Name
one hundred fifty-seven thousand two hundred twenty
Scientific notation
1.57220 × 10^5
Engineering notation
1.57220 × 10^3
Prime Factorization
2 × 2 × 7 × 5 × 1123
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78610
Product of the distinct prime numbers
The prime factorization of 157220 is 2 × 2 × 7 × 5 × 1123.
Since it has a total of 5 prime factors.
9 , 2 , 19 , 26 , 260 , 875 , 8310 , 8722 , 39229 , 87940 , 650270 , 22586 , 8979634 , 9643676 , 8945713 , 34829536 , 156903365 , 392130119 , 6934684729 , 7314236823
n×2
314440
n×3
471660
n×4
628880
n×5
786100
n÷2
78610
n÷3
52406.666666667
n÷3
39305
n÷5
31444
n2
24718128400
n3
3886184147048000
n4
6.1098587159889E+20
n5
9.6059198732777E+25
2 √n
396.50977289343
3 √n
53.972093491137
4 √n
19.91255314854
5 √n
10.947162338067
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 1123 , 2246 , 4492 , 5615 , 7861 , 11230 , 15722 , 22460 , 31444 , 39305 , 78610 , 157220
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
-157219
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 157220 can be divided by 24 positive divisors.
The sum of these divisors (counting 157220) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110011000100100
3
Ternary
21222122222
4
Quaternary
212120210
5
Quinary
20012340
6
Senary
3211512
8
Octal
463044
10
Decimal
157220
12
Duodecimal
76b98
16
Hexadecimal
26624
20
Vigesimal
jd10
36
Base36
3db8
md5
a5d4105701b18fa9d95652e48dcb6a36
sha1
e5e6cef6af7b284879a9b84b43c27155b2c5b7ca
sha256
4dbd2eae1fc5092d6407f747ec17bed567e35bfca21f778f2a033b38704c112d
sha512
47cf8150de2e0e7125ec2c532d224366267d9b4c299d3f2f9cd755e724b7c7005f639060d9b20a2a296b0e78b463b25d4d69a727105373220c14171b9c930c85
ripemd-160
3b3f647a90a53a9f9558a9d4178a3624845db667
Diameter
314440
Circumference
987842.39399477
Area
77654290591.929
Volume
1.6278410089151E+16
Surface area
310617162367.72
Circumference
987842.39399477
Perimeter
628880
Area
24718128400
Diagonal
222342.6562763
Surface area
148308770400
Volume
3886184147048000
Space diagonal
272313.02796598
Perimeter
471660
Area
10703263564.203
Altitude
136156.51398299
Surface area
10703263564.203
Volume
4.5799119388622E+14
Height
74114.218758766