20129900 is an even 8-digits composite number following 20129899
and preceding 20129901 . In scientific notation, it is written as 2.0129900 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 6819840 positive integers (up to 20129900) that are relatively prime to 20129900.
20129900 has 24 divisors, whose sum is 35851200
The reverse of 20129900 is 00992102
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-nine thousand nine hundred
Scientific notation
2.0129900 × 10^7
Engineering notation
2.0129900 × 10^6
Prime Factorization
2 × 2 × 175 × 149 × 193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10064950
Product of the distinct prime numbers
The prime factorization of 20129900 is 2 × 2 × 175 × 149 × 193.
Since it has a total of 5 prime factors.
5 , 5 , 54 , 8 , 4 , 745 , 8416 , 2003 , 94860 , 27781 , 328994 , 758729 , 946870 , 9282290 , 76597692 , 91350456 , 671368432 , 377409771 , 437256682 , 346792534
n×2
40259800
n×3
60389700
n×4
80519600
n×5
100649500
n÷2
10064950
n÷3
6709966.6666667
n÷3
5032475
n÷5
4025980
n2
405212874010000
n3
8.1568946325339E+21
n4
1.6419747326344E+29
n5
3.3052787170458E+36
2 √n
4486.6357106411
3 √n
272.028165336
4 √n
66.982353725747
5 √n
28.891382462929
1 , 2 , 4 , 149 , 175 , 193 , 298 , 350 , 386 , 596 , 700 , 772 , 26075 , 28757 , 33775 , 52150 , 57514 , 67550 , 104300 , 115028 , 135100 , 5032475 , 10064950 , 20129900
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
-20129899
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 20129900 can be divided by 24 positive divisors.
The sum of these divisors (counting 20129900) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110010100001101100
3
Ternary
1101212201000212
4
Quaternary
1030302201230
5
Quinary
20123124100
6
Senary
1555241552
8
Octal
114624154
10
Decimal
20129900
12
Duodecimal
68a92b8
16
Hexadecimal
133286c
20
Vigesimal
65g4f0
36
Base36
bzgbw
md5
caf58c531d919c45617b18a718e42f81
sha1
25130f08dcdabb428e8a718a3e7732eff69a7735
sha256
c9cadeb1f6886e237ea2e65b1b7a0072cca25d8b6dfdb37be24d3a3a60205bf5
sha512
7343a65338a10d1bab77f1b1ecea911c30a5cbf3098da7793f214130a03f3aaec487b2f209e9d07969b175416d463548242c70d3731d5b89c484af9543f72c78
ripemd-160
c6b31359ea8b8e6944d2826c859f7902e6540939
Diameter
40259800
Circumference
126479891.91499
Area
1.2730137881298E+15
Volume
3.4167520338233E+22
Surface area
5.0920551525193E+15
Circumference
126479891.91499
Perimeter
80519600
Area
405212874010000
Diagonal
28467977.589214
Surface area
2431277244060000
Volume
8.1568946325339E+21
Space diagonal
34866009.551281
Perimeter
60389700
Area
1.7546232141658E+14
Altitude
17433004.77564
Surface area
1.7546232141658E+14
Volume
9.6129925134815E+20
Height
9489325.8630714