21308047 is an odd 8-digits prime number following 21308046
and preceding 21308048 . In scientific notation, it is written as 2.1308047 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 21308046 positive integers (up to 21308047) that are relatively prime to 21308047.
21308047 has 2 divisors, whose sum is 21308048
The reverse of 21308047 is 74080312
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million three hundred eight thousand forty-seven
Scientific notation
2.1308047 × 10^7
Engineering notation
2.1308047 × 10^6
Prime Factorization
21308047
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21308047
Product of the distinct prime numbers
The prime factorization of 21308047 is 21308047.
Since it has a total of 1 prime factors.
5 , 9 , 2 , 32 , 754 , 357 , 6232 , 2978 , 46696 , 86286 , 120076 , 714027 , 2153476 , 4768807 , 16868803 , 18731562 , 450977283 , 61088837 , 9735230559 , 6580325473
n×2
42616094
n×3
63924141
n×4
85232188
n×5
106540235
n÷2
10654023.5
n÷3
7102682.3333333
n÷3
5327011.75
n÷5
4261609.4
n2
454032866954209
n3
9.674553668605E+21
n4
2.0614584427466E+29
n5
4.3925653386591E+36
2 √n
4616.0640160206
3 √n
277.23488789046
4 √n
67.941622117967
5 √n
29.221918771786
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21308048
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10654024
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4616.064124338
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999061388
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21308047 can be divided by 2 positive divisors.
The sum of these divisors (counting 21308047) is 21308048, the average is 10654024.
Base
System
Value
2
Binary
1010001010010001010001111
3
Ternary
1111002120010221
4
Quaternary
1101102022033
5
Quinary
20423324142
6
Senary
2040412211
8
Octal
121221217
10
Decimal
21308047
12
Duodecimal
7177067
16
Hexadecimal
145228f
20
Vigesimal
6d3a27
36
Base36
cope7
md5
e96951dfba7b43bd8081e5869da0cbba
sha1
6c5e0b0defad8173f88e07411f5db9d257e15c00
sha256
fe98a7f9269f3cca6cb8b6c1c6b1b72a5ddbe241c78dc1357862cfb967fcc896
sha512
6176abe53c609d474bb68942986fc38bb82582cb32f10139189789cf7812535c2b942144e0f466e5025eb37303400179f5e8f8fa144ad4db0368f6c9b78f106a
ripemd-160
87dcd8c807b6dd8c783729ab246daef9433fa5ce
Diameter
42616094
Circumference
133882407.83509
Area
1.4263863193117E+15
Volume
4.0524675642733E+22
Surface area
5.7055452772466E+15
Circumference
133882407.83509
Perimeter
85232188
Area
454032866954209
Diagonal
30134129.055083
Surface area
2724197201725254
Volume
9.674553668605E+21
Space diagonal
36906620.014066
Perimeter
63924141
Area
1.9660199846771E+14
Altitude
18453310.007033
Surface area
1.9660199846771E+14
Volume
1.140157084004E+21
Height
10044709.685028