161888425 is an odd 9-digits composite number following 161888424
and preceding 161888426 . In scientific notation, it is written as 1.61888425 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 6 positive divisors.
There are 129510720 positive integers (up to 161888425) that are relatively prime to 161888425.
161888425 has 6 divisors, whose sum is 200741678
The reverse of 161888425 is 524888161
Previous prime number is 5
Is Prime? no Number parity odd Number length 9 Sum of Digits 43 Digital Root 7
Name
one hundred sixty-one million eight hundred eighty-eight thousand four hundred twenty-five
Scientific notation
1.61888425 × 10^8
Engineering notation
1.61888425 × 10^6
Prime Factorization
5 × 5 × 6475537
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
32377685 Product of the distinct prime numbers
The prime factorization of 161888425 is 5 × 5 × 6475537.
Since it has a total of 3 prime factors.
4 , 8 , 91 , 88 , 601 , 202 , 6942 , 257 , 66646 , 87287 , 523203 , 12424 , 6535316 , 6096640 , 39700865 , 49367901 , 393138337 , 713461402 , 7623994528 , 8207065823
n×2
323776850
n×3
485665275
n×4
647553700
n×5
809442125
n÷2
80944212.5
n÷3
53962808.333333
n÷3
40472106.25
n÷5
32377685
n2
26207862148980625
n3
4.2427495259156E+24
n4
6.8685203841997E+32
n5
1.1119339470785E+41
2 √n12723.538226453
3 √n545.01099772998
4 √n112.79866234337
5 √n43.837235608161
6 divisors
τ Total Divisors
6 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-161888424 Sum of the proper positive divisors of n
A Arithmetic Mean
0.16666666666667 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
6 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161888425 can be divided by 6 positive divisors.
The sum of these divisors (counting 161888425) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001101001100011100010101001
3
Ternary
102021121210011121
4
Quaternary
21221203202221
5
Quinary
312420412200
6
Senary
24021455241
8
Octal
1151434251
10
Decimal
161888425
12
Duodecimal
46271521
16
Hexadecimal
9a638a9
20
Vigesimal
2abg115
36
Base36
2odtwp
md5
95e1d652949db0485c252727c8e1de09
sha1
ef052854e9c8d85e1d36316f8a22235bfae75521
sha256
319a5d001b9462ecc8371a46373e24c9779febb9e22a8bd9ad482fdcb02a752a
sha512
2e3d8b0ecefd366c4b4fc6dd864b3a465dbfa45c096a997a5410b5e875fb686218165ac2112e121a47b8c9bbc9376cd195ef54498605aa6e83af96179d01bbab
ripemd-160
b89db157d730723b706ac64a3fc4948a995aa781
Diameter
323776850
Circumference
1017174973.3624
Area
8.2334427193532E+16
Volume
1.7771987655517E+25
Surface area
3.2933770877413E+17
Circumference
1017174973.3624
Perimeter
647553700
Area
26207862148980625
Diagonal
228944806.22622
Surface area
157247172893883750
Volume
4.2427495259156E+24
Space diagonal
280398977.2573
Perimeter
485665275
Area
1.1348337199949E+16
Altitude
140199488.62865
Surface area
1.1348337199949E+16
Volume
5.0001282677515E+23
Height
76314935.40874