21304639 is an odd 8-digits prime number following 21304638
and preceding 21304640 . In scientific notation, it is written as 2.1304639 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 21304638 positive integers (up to 21304639) that are relatively prime to 21304639.
21304639 has 2 divisors, whose sum is 21304640
The reverse of 21304639 is 93640312
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million three hundred four thousand six hundred thirty-nine
Scientific notation
2.1304639 × 10^7
Engineering notation
2.1304639 × 10^6
Prime Factorization
21304639
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21304639
Product of the distinct prime numbers
The prime factorization of 21304639 is 21304639.
Since it has a total of 1 prime factors.
7 , 10 , 91 , 58 , 572 , 171 , 2370 , 9426 , 85109 , 74994 , 74865 , 546783 , 368349 , 5643328 , 6717575 , 17958913 , 627118358 , 374755059 , 4212391423 , 4280299381
n×2
42609278
n×3
63913917
n×4
85218556
n×5
106523195
n÷2
10652319.5
n÷3
7101546.3333333
n÷3
5326159.75
n÷5
4260927.8
n2
453887642920321
n3
9.6699123789783E+21
n4
2.0601399239576E+29
n5
4.3890537369405E+36
2 √n
4615.6948555987
3 √n
277.22010682561
4 √n
67.938905316458
5 √n
29.22098396372
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21304640
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10652320
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4615.6949639247
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999061237
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21304639 can be divided by 2 positive divisors.
The sum of these divisors (counting 21304639) is 21304640, the average is 10652320.
Base
System
Value
2
Binary
1010001010001010100111111
3
Ternary
1111002101110201
4
Quaternary
1101101110333
5
Quinary
20423222024
6
Senary
2040344331
8
Octal
121212477
10
Decimal
21304639
12
Duodecimal
71750a7
16
Hexadecimal
145153f
20
Vigesimal
6d31bj
36
Base36
comrj
md5
70674f185307d03e2a00b9414877e30d
sha1
0c08f9b8cca40b7764fec22d1a28d6a6e9933483
sha256
ddefa8b1a3e63c03c7993b925de83a93f444ba22d48ad82976bca3271f79a96e
sha512
30c6b6eb22d35674c566b24cbddc5bab115b975774efdb3fbc1efadfc9c23248f90091879ce4d40f5da3a6363bdcd3da21d0ebf71773aaadbcb39bd20dbcc778
ripemd-160
a14c7fdd9f88ad0a79c14d54c60297b2fb7f1600
Diameter
42609278
Circumference
133860994.73957
Area
1.4259300845537E+15
Volume
4.0505234254207E+22
Surface area
5.7037203382147E+15
Circumference
133860994.73957
Perimeter
85218556
Area
453887642920321
Diagonal
30129309.415263
Surface area
2723325857521926
Volume
9.6699123789783E+21
Space diagonal
36900717.184913
Perimeter
63913917
Area
1.9653911461642E+14
Altitude
18450358.592457
Surface area
1.9653911461642E+14
Volume
1.1396101027759E+21
Height
10043103.138421