21369908 is an even 8-digits composite number following 21369907
and preceding 21369909 . In scientific notation, it is written as 2.1369908 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 8676288 positive integers (up to 21369908) that are relatively prime to 21369908.
21369908 has 24 divisors, whose sum is 44990400
The reverse of 21369908 is 80996312
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million three hundred sixty-nine thousand nine hundred eight
Scientific notation
2.1369908 × 10^7
Engineering notation
2.1369908 × 10^6
Prime Factorization
2 × 2 × 7 × 19 × 40169
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10684954
Product of the distinct prime numbers
The prime factorization of 21369908 is 2 × 2 × 7 × 19 × 40169.
Since it has a total of 5 prime factors.
2 , 1 , 72 , 96 , 510 , 351 , 8954 , 2219 , 9429 , 18080 , 671259 , 580879 , 6498373 , 7260670 , 50000924 , 80524349 , 851056979 , 117847932 , 5709494965 , 1959198512
n×2
42739816
n×3
64109724
n×4
85479632
n×5
106849540
n÷2
10684954
n÷3
7123302.6666667
n÷3
5342477
n÷5
4273981.6
n2
456672967928464
n3
9.7590593107182E+21
n4
2.0855019963659E+29
n5
4.4566985796156E+36
2 √n
4622.7597817754
3 √n
277.50291585822
4 √n
67.99088013679
5 √n
29.238866374179
1 , 2 , 4 , 7 , 14 , 19 , 28 , 38 , 76 , 133 , 266 , 532 , 40169 , 80338 , 160676 , 281183 , 562366 , 763211 , 1124732 , 1526422 , 3052844 , 5342477 , 10684954 , 21369908
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
-21369907
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 21369908 can be divided by 24 positive divisors.
The sum of these divisors (counting 21369908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001100001010000110100
3
Ternary
1111012201000002
4
Quaternary
1101201100310
5
Quinary
20432314113
6
Senary
2042010432
8
Octal
121412064
10
Decimal
21369908
12
Duodecimal
71a6a18
16
Hexadecimal
1461434
20
Vigesimal
6db4f8
36
Base36
cq14k
md5
c52a5b1c2701bc1090ece864fe0435ba
sha1
06f6571bc961f703904a24f5e1d9f667e8c806c4
sha256
bf1f8c1fac16f3e799350d162500ee69fda9183913fa422198879f35dfe337f0
sha512
e76b7a0288d58f07ed0e2c06056ca4abd6f4197cca71a20e550b5804fd1ec57564252ace74ff74e72e9f80fa2440e4e8821c74cfd92ffe593284fad3ef43b1db
ripemd-160
3e0061d8455d37f79d9fd929aa0dc35123474abf
Diameter
42739816
Circumference
134271091.96138
Area
1.4346804411371E+15
Volume
4.0878652048666E+22
Surface area
5.7387217645484E+15
Circumference
134271091.96138
Perimeter
85479632
Area
456672967928464
Diagonal
30221613.720265
Surface area
2740037807570784
Volume
9.7590593107182E+21
Space diagonal
37013766.409073
Perimeter
64109724
Area
1.9774519572384E+14
Altitude
18506883.204536
Surface area
1.9774519572384E+14
Volume
1.1501161694351E+21
Height
10073871.240088