20999908 is an even 8-digits composite number following 20999907
and preceding 20999909 . In scientific notation, it is written as 2.0999908 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 10423040 positive integers (up to 20999908) that are relatively prime to 20999908.
20999908 has 12 divisors, whose sum is 37019052
The reverse of 20999908 is 80999902
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million nine hundred ninety-nine thousand nine hundred eight
Scientific notation
2.0999908 × 10^7
Engineering notation
2.0999908 × 10^6
Prime Factorization
2 × 2 × 137 × 38321
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10499954
Product of the distinct prime numbers
The prime factorization of 20999908 is 2 × 2 × 137 × 38321.
Since it has a total of 4 prime factors.
5 , 6 , 43 , 66 , 488 , 527 , 8975 , 7559 , 95400 , 72731 , 122133 , 507798 , 468847 , 4151686 , 76150212 , 79040657 , 895415134 , 267732955 , 5013917552 , 8349265302
n×2
41999816
n×3
62999724
n×4
83999632
n×5
104999540
n÷2
10499954
n÷3
6999969.3333333
n÷3
5249977
n÷5
4199981.6
n2
440996136008464
n3
9.2608782845332E+21
n4
1.944775919744E+29
n5
4.0840115395238E+36
2 √n
4582.5656569219
3 √n
275.89201474701
4 √n
67.694650135161
5 √n
29.136909056213
1 , 2 , 4 , 137 , 274 , 548 , 38321 , 76642 , 153284 , 5249977 , 10499954 , 20999908
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
-20999907
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 20999908 can be divided by 12 positive divisors.
The sum of these divisors (counting 20999908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000110111011100100
3
Ternary
1110111220110101
4
Quaternary
1100012323210
5
Quinary
20333444113
6
Senary
2030033444
8
Octal
120067344
10
Decimal
20999908
12
Duodecimal
7048884
16
Hexadecimal
1406ee4
20
Vigesimal
6b4jf8
36
Base36
ci3ms
md5
80ad99f101d662992132bcf0c6719b62
sha1
395efe49c5d42e9a2c75ef749364a06ada18ee72
sha256
b85e1c67afb07411cc4dfffc32d312e8df447f47fdbec0f1356cc169b0705e04
sha512
d43e5563bb9a8a712ec4ad2adca4555fb32de7010fdc2768a4589de92c9cd9d633bf9ca4c1e9939213c0dead4ee2d430f7b20626fd8904efb6fc0145bf586e0b
ripemd-160
b446ee27426814dd527aa902de0506b594e9814c
Diameter
41999816
Circumference
131946313.39772
Area
1.3854302211457E+15
Volume
3.8791876245972E+22
Surface area
5.5417208845827E+15
Circumference
131946313.39772
Perimeter
83999632
Area
440996136008464
Diagonal
29698354.702187
Surface area
2645976816050784
Volume
9.2608782845332E+21
Space diagonal
36372907.610272
Perimeter
62999724
Area
1.9095692837705E+14
Altitude
18186453.805136
Surface area
1.9095692837705E+14
Volume
1.0914049724561E+21
Height
9899451.5673958