161252020 is an even 9-digits composite number following 161252019
and preceding 161252021 . In scientific notation, it is written as 1.61252020 × 10^8.
The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors.
There are 64500800 positive integers (up to 161252020) that are relatively prime to 161252020.
161252020 has 12 divisors, whose sum is 338629284
The reverse of 161252020 is 020252161
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 19
Digital Root 1
Name
one hundred sixty-one million two hundred fifty-two thousand twenty
Scientific notation
1.61252020 × 10^8
Engineering notation
1.61252020 × 10^6
Prime Factorization
2 × 2 × 5 × 8062601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80626010
Product of the distinct prime numbers
The prime factorization of 161252020 is 2 × 2 × 5 × 8062601.
Since it has a total of 4 prime factors.
10 , 7 , 39 , 19 , 819 , 105 , 4056 , 5897 , 496 , 78792 , 589731 , 668992 , 3538225 , 9482032 , 13934415 , 46404939 , 148878845 , 257398899 , 4039615885 , 5324621890
n×2
322504040
n×3
483756060
n×4
645008080
n×5
806260100
n÷2
80626010
n÷3
53750673.333333
n÷3
40313005
n÷5
32250404
n2
26002213954080400
n3
4.1929095245677E+24
n4
6.7611513051377E+32
n5
1.0902493054791E+41
2 √n
12698.504636374
3 √n
544.2958895296
4 √n
112.6876418973
5 √n
43.802715279286
1 , 2 , 4 , 5 , 10 , 20 , 8062601 , 16125202 , 32250404 , 40313005 , 80626010 , 161252020
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
-161252019
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 161252020 can be divided by 12 positive divisors.
The sum of these divisors (counting 161252020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111001000001010110100
3
Ternary
102020102110012001
4
Quaternary
21213020022310
5
Quinary
312240031040
6
Senary
24000105044
8
Octal
1147101264
10
Decimal
161252020
12
Duodecimal
46005184
16
Hexadecimal
99c82b4
20
Vigesimal
2a7ga10
36
Base36
2o06us
md5
3e6e3eea29cfc8846b8f46675d398237
sha1
19551bb2c764d1081aa5b44d4714415ed050bab2
sha256
b2e90784a51e9fdf64a19f469963f304215ad031869808218a2a9425958b5859
sha512
76485c7c76684c012c1ea100dc3c1e54bf1f7c46c1b5f38eda93ff3edf47bca35a784f923a8bbead2e70769710d8c5dd1a705efccd3eda22feaab5e4e81f7778
ripemd-160
5d69ce04cee7460525b9c747f7c90147bf18b05c
Diameter
322504040
Circumference
1013176322.817
Area
8.1688364335209E+16
Volume
1.7563218346065E+25
Surface area
3.2675345734084E+17
Circumference
1013176322.817
Perimeter
645008080
Area
26002213954080400
Diagonal
228044793.64406
Surface area
156013283724482400
Volume
4.1929095245677E+24
Space diagonal
279296691.46311
Perimeter
483756060
Area
1.1259288919436E+16
Altitude
139648345.73156
Surface area
1.1259288919436E+16
Volume
4.9413912628724E+23
Height
76014931.214686