163945425 is an odd 9-digits composite number following 163945424
and preceding 163945426 . In scientific notation, it is written as 1.63945425 × 10^8.
The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors.
There are 74934720 positive integers (up to 163945425) that are relatively prime to 163945425.
163945425 has 32 divisors, whose sum is 265158400
The reverse of 163945425 is 524549361
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred sixty-three million nine hundred forty-five thousand four hundred twenty-five
Scientific notation
1.63945425 × 10^8
Engineering notation
1.63945425 × 10^6
Prime Factorization
3 × 25 × 7 × 7 × 7 × 6373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3345825
Product of the distinct prime numbers
The prime factorization of 163945425 is 3 × 25 × 7 × 7 × 7 × 6373.
Since it has a total of 6 prime factors.
5 , 3 , 71 , 43 , 620 , 763 , 4170 , 2058 , 70189 , 65705 , 603950 , 161392 , 4580872 , 4545231 , 31295413 , 94998882 , 539671598 , 940293672 , 650875304 , 7986244464
n×2
327890850
n×3
491836275
n×4
655781700
n×5
819727125
n÷2
81972712.5
n÷3
54648475
n÷3
40986356.25
n÷5
32789085
n2
26878102378430625
n3
4.4065419176253E+24
n4
7.224323874654E+32
n5
1.1843948479678E+41
2 √n
12804.117501804
3 √n
547.30964379682
4 √n
113.15528048573
5 √n
43.948075342963
1 , 3 , 7 , 21 , 25 , 49 , 75 , 147 , 175 , 343 , 525 , 1029 , 1225 , 3675 , 6373 , 8575 , 19119 , 25725 , 44611 , 133833 , 159325 , 312277 , 477975 , 936831 , 1115275 , 2185939 , 3345825 , 6557817 , 7806925 , 23420775 , 54648475 , 163945425
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-163945424
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 163945425 can be divided by 32 positive divisors.
The sum of these divisors (counting 163945425) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110001011001101111010001
3
Ternary
102102111021211210
4
Quaternary
21301121233101
5
Quinary
313432223200
6
Senary
24133530333
8
Octal
1161315721
10
Decimal
163945425
12
Duodecimal
46aa39a9
16
Hexadecimal
9c59bd1
20
Vigesimal
2b4d3b5
36
Base36
2plx3l
md5
a7ef923cdddd7e2e1c1a1a8255319a1c
sha1
44ecfcaf420d0c461cb530ac9efc179aa3d49050
sha256
511b9dc6bf83c86ec610ad6769bb6af5a9108d3581414b122f6076071681a745
sha512
5006663b337fa210912ec10bf34214a5ecaed70db5082d648e44f01874c38a090f4bad5976d05cfdc5314c7bc97f6ff5e843d8d814a2aee0430a8684dbb5c194
ripemd-160
cff18c5c670098ae2d6371d800abe7098756ca59
Diameter
327890850
Circumference
1030099485.5393
Area
8.4440048974512E+16
Volume
1.845807962153E+25
Surface area
3.3776019589805E+17
Circumference
1030099485.5393
Perimeter
655781700
Area
26878102378430625
Diagonal
231853843.52402
Surface area
161268614270583750
Volume
4.4065419176253E+24
Space diagonal
283961805.76847
Perimeter
491836275
Area
1.163855973262E+16
Altitude
141980902.88424
Surface area
1.163855973262E+16
Volume
5.1931594525594E+23
Height
77284614.508007