20129975 is an odd 8-digits composite number following 20129974
and preceding 20129976 . In scientific notation, it is written as 2.0129975 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 15678400 positive integers (up to 20129975) that are relatively prime to 20129975.
20129975 has 12 divisors, whose sum is 21503040
The reverse of 20129975 is 57992102
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred twenty-nine thousand nine hundred seventy-five
Scientific notation
2.0129975 × 10^7
Engineering notation
2.0129975 × 10^6
Prime Factorization
25 × 41 × 41 × 479
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
490975
Product of the distinct prime numbers
The prime factorization of 20129975 is 25 × 41 × 41 × 479.
Since it has a total of 4 prime factors.
6 , 4 , 81 , 100 , 955 , 588 , 2689 , 585 , 10889 , 92129 , 545395 , 412450 , 2164139 , 5839646 , 80493300 , 63048604 , 362142117 , 31439881 , 7947556420 , 3210340731
n×2
40259950
n×3
60389925
n×4
80519900
n×5
100649875
n÷2
10064987.5
n÷3
6709991.6666667
n÷3
5032493.75
n÷5
4025995
n2
405215893500625
n3
8.1569858057702E+21
n4
1.6419992034551E+29
n5
3.3053402915571E+36
2 √n
4486.6440687891
3 √n
272.02850317651
4 √n
66.982416116389
5 √n
28.891403991605
1 , 25 , 41 , 479 , 1025 , 1681 , 11975 , 19639 , 42025 , 490975 , 805199 , 20129975
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
-20129974
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 20129975 can be divided by 12 positive divisors.
The sum of these divisors (counting 20129975) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110010100010110111
3
Ternary
1101212201010122
4
Quaternary
1030302202313
5
Quinary
20123124400
6
Senary
1555242155
8
Octal
114624267
10
Decimal
20129975
12
Duodecimal
68a935b
16
Hexadecimal
13328b7
20
Vigesimal
65g4if
36
Base36
bzgdz
md5
2f56f8b375c7b02659e448a4371696a4
sha1
a8cdab23a36078415fccce5a92879d51587281fa
sha256
93dff376894e648db16aa11d43a557519c717d5e9ebfec6dc6ed22bfa1d9474e
sha512
86e220fda8c7334ec474660c5bbacc9150dc2d31ebe0cefbd293b8e1fd258843e1f91074fc8abfb07916589cd41064c849c7ded6e848d27f21b870cce2343393
ripemd-160
993e154391dd71105a3465b6b4f3862893dc7349
Diameter
40259950
Circumference
126480363.15389
Area
1.2730232741394E+15
Volume
3.4167902243792E+22
Surface area
5.0920930965576E+15
Circumference
126480363.15389
Perimeter
80519900
Area
405215893500625
Diagonal
28468083.655231
Surface area
2431295361003750
Volume
8.1569858057702E+21
Space diagonal
34866139.455091
Perimeter
60389925
Area
1.7546362889438E+14
Altitude
17433069.727546
Surface area
1.7546362889438E+14
Volume
9.6130999621709E+20
Height
9489361.2184104