20129888 is an even 8-digits composite number following 20129887
and preceding 20129889 . In scientific notation, it is written as 2.0129888 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 12 positive divisors.
There are 10064928 positive integers (up to 20129888) that are relatively prime to 20129888.
20129888 has 12 divisors, whose sum is 39630780
The reverse of 20129888 is 88892102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million one hundred twenty-nine thousand eight hundred eighty-eight
Scientific notation
2.0129888 × 10^7
Engineering notation
2.0129888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 629059
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1258118
Product of the distinct prime numbers
The prime factorization of 20129888 is 2 × 2 × 2 × 2 × 2 × 629059.
Since it has a total of 6 prime factors.
7 , 6 , 68 , 86 , 921 , 163 , 9051 , 3110 , 67915 , 67780 , 446784 , 816271 , 9844978 , 968325 , 49968900 , 3277492 , 193721016 , 127287425 , 6757390140 , 1242153541
n×2
40259776
n×3
60389664
n×4
80519552
n×5
100649440
n÷2
10064944
n÷3
6709962.6666667
n÷3
5032472
n÷5
4025977.6
n2
405212390892544
n3
8.1568800448791E+21
n4
1.6419708173285E+29
n5
3.3052688652092E+36
2 √n
4486.634373336
3 √n
272.02811128144
4 √n
66.982343743228
5 √n
28.891379018335
1 , 2 , 4 , 8 , 16 , 32 , 629059 , 1258118 , 2516236 , 5032472 , 10064944 , 20129888
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
-20129887
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 20129888 can be divided by 12 positive divisors.
The sum of these divisors (counting 20129888) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110010100001100000
3
Ternary
1101212201000102
4
Quaternary
1030302201200
5
Quinary
20123124023
6
Senary
1555241532
8
Octal
114624140
10
Decimal
20129888
12
Duodecimal
68a92a8
16
Hexadecimal
1332860
20
Vigesimal
65g4e8
36
Base36
bzgbk
md5
33f668dd3b1e2b0726d74b752d29157c
sha1
f8bacf9fbbf79a430180d72794ce21125070f870
sha256
831a808d792748087945afc1ba3c60c74649a89e7b962d69e2b48dd292b501c5
sha512
4eb5e1d3fbf2629c8fca58e8d7e57f13b2a4d11ddbb10ebbe0abb25143320c9cd84eefb8f21159352f7d9f56b0486aaec379afeda85c7962aca5999f9b23a83f
ripemd-160
237f2d7f871c6d1d8f501feb723f9bdaafbcefcc
Diameter
40259776
Circumference
126479816.51677
Area
1.2730122703716E+15
Volume
3.4167459233607E+22
Surface area
5.0920490814863E+15
Circumference
126479816.51677
Perimeter
80519552
Area
405212390892544
Diagonal
28467960.618651
Surface area
2431274345355264
Volume
8.1568800448791E+21
Space diagonal
34865988.766671
Perimeter
60389664
Area
1.7546211222059E+14
Altitude
17432994.383336
Surface area
1.7546211222059E+14
Volume
9.6129753217654E+20
Height
9489320.2062171