20008906 is an even 8-digits composite number following 20008905
and preceding 20008907 . In scientific notation, it is written as 2.0008906 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 9834828 positive integers (up to 20008906) that are relatively prime to 20008906.
20008906 has 8 divisors, whose sum is 30522240
The reverse of 20008906 is 60980002
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eight thousand nine hundred six
Scientific notation
2.0008906 × 10^7
Engineering notation
2.0008906 × 10^6
Prime Factorization
2 × 59 × 169567
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20008906
Product of the distinct prime numbers
The prime factorization of 20008906 is 2 × 59 × 169567.
Since it has a total of 3 prime factors.
1 , 1 , 95 , 74 , 872 , 764 , 9584 , 2641 , 65263 , 70124 , 563070 , 880277 , 6887661 , 7308417 , 85947974 , 90153259 , 5536706 , 178946808 , 5434206113 , 8900085183
n×2
40017812
n×3
60026718
n×4
80035624
n×5
100044530
n÷2
10004453
n÷3
6669635.3333333
n÷3
5002226.5
n÷5
4001781.2
n2
400356319316836
n3
8.0106919597166E+21
n4
1.6028518241692E+29
n5
3.2071311481731E+36
2 √n
4473.131565246
3 √n
271.48204668593
4 √n
66.88147400623
5 √n
28.856567397617
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20008905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20008906 can be divided by 8 positive divisors.
The sum of these divisors (counting 20008906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010100111111001010
3
Ternary
1101122120001121
4
Quaternary
1030110333022
5
Quinary
20110241111
6
Senary
1552505454
8
Octal
114247712
10
Decimal
20008906
12
Duodecimal
684b28a
16
Hexadecimal
1314fca
20
Vigesimal
651256
36
Base36
bwuyy
md5
689b377f2ba3c80fb2e574e81b0d9eab
sha1
9bdcdc1691094078c5a726a197c334d600200842
sha256
0279c32c4680f90913c50793ec3098ace4040f8279448d56d23f96f504c486f4
sha512
d0f94cb086b0ea3294535592c1186c9b93358c402673892f0f98be4ec80953cd757bc54b9823fc571e1b9e1d02c0ad07e4238273d5ce7175dd173b5ff9db2ade
ripemd-160
d4971bcb8a4eb4a8e43597deb3a9196f09081842
Diameter
40017812
Circumference
125719664.19194
Area
1.257756471584E+15
Volume
3.3555108014422E+22
Surface area
5.0310258863361E+15
Circumference
125719664.19194
Perimeter
80035624
Area
400356319316836
Diagonal
28296866.233448
Surface area
2402137915901016
Volume
8.0106919597166E+21
Space diagonal
34656441.79587
Perimeter
60026718
Area
1.7335937154701E+14
Altitude
17328220.897935
Surface area
1.7335937154701E+14
Volume
9.4406910111869E+20
Height
9432288.7444828