20129972 is an even 8-digits composite number following 20129971
and preceding 20129973 . In scientific notation, it is written as 2.0129972 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 9436160 positive integers (up to 20129972) that are relatively prime to 20129972.
20129972 has 24 divisors, whose sum is 37444680
The reverse of 20129972 is 27992102
Previous prime number is 389
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred twenty-nine thousand nine hundred seventy-two
Scientific notation
2.0129972 × 10^7
Engineering notation
2.0129972 × 10^6
Prime Factorization
2 × 2 × 17 × 389 × 761
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10064986
Product of the distinct prime numbers
The prime factorization of 20129972 is 2 × 2 × 17 × 389 × 761.
Since it has a total of 5 prime factors.
6 , 6 , 89 , 13 , 213 , 866 , 6192 , 4063 , 15369 , 96422 , 555396 , 764296 , 7519695 , 7664939 , 11085458 , 90007525 , 652775505 , 179776374 , 9929360157 , 9379307304
n×2
40259944
n×3
60389916
n×4
80519888
n×5
100649860
n÷2
10064986
n÷3
6709990.6666667
n÷3
5032493
n÷5
4025994.4
n2
405215772720784
n3
8.1569821588277E+21
n4
1.641998224617E+29
n5
3.305337828559E+36
2 √n
4486.6437344634
3 √n
272.02848966291
4 √n
66.982413620766
5 √n
28.891403130459
1 , 2 , 4 , 17 , 34 , 68 , 389 , 761 , 778 , 1522 , 1556 , 3044 , 6613 , 12937 , 13226 , 25874 , 26452 , 51748 , 296029 , 592058 , 1184116 , 5032493 , 10064986 , 20129972
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
-20129971
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 20129972 can be divided by 24 positive divisors.
The sum of these divisors (counting 20129972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110010100010110100
3
Ternary
1101212201010112
4
Quaternary
1030302202310
5
Quinary
20123124342
6
Senary
1555242152
8
Octal
114624264
10
Decimal
20129972
12
Duodecimal
68a9358
16
Hexadecimal
13328b4
20
Vigesimal
65g4ic
36
Base36
bzgdw
md5
c03bca96fda3bddcd27bbe8e85a7fa49
sha1
8c5e567ef490e91e1aa74cf50b03b3c92d86683f
sha256
f25f2b75b242e0987d51c20be2fe772a70d83fe9ffe11d9d9724f1cfcc926f8b
sha512
a37f32624467025dab6b964a6b03829843affdbabf8c4d2ee680d5dbb3f8d5c8bf0796bed529ce278262a0de6eb432e1f6d0b869177750a4968f7fa47a7894dd
ripemd-160
d5d846baad7187743bd0e960aa152a378b738b8f
Diameter
40259944
Circumference
126480344.30434
Area
1.2730228946983E+15
Volume
3.4167886967515E+22
Surface area
5.0920915787933E+15
Circumference
126480344.30434
Perimeter
80519888
Area
405215772720784
Diagonal
28468079.412591
Surface area
2431294636324704
Volume
8.1569821588277E+21
Space diagonal
34866134.258939
Perimeter
60389916
Area
1.7546357659517E+14
Altitude
17433067.129469
Surface area
1.7546357659517E+14
Volume
9.613095664208E+20
Height
9489359.8041969