21307549 is an odd 8-digits prime number following 21307548
and preceding 21307550 . In scientific notation, it is written as 2.1307549 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 21307548 positive integers (up to 21307549) that are relatively prime to 21307549.
21307549 has 2 divisors, whose sum is 21307550
The reverse of 21307549 is 94570312
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred seven thousand five hundred forty-nine
Scientific notation
2.1307549 × 10^7
Engineering notation
2.1307549 × 10^6
Prime Factorization
21307549
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21307549
Product of the distinct prime numbers
The prime factorization of 21307549 is 21307549.
Since it has a total of 1 prime factors.
5 , 4 , 90 , 99 , 728 , 224 , 7194 , 2816 , 40789 , 78481 , 248457 , 647398 , 2747450 , 4432520 , 3500606 , 35152248 , 319149882 , 592309846 , 2169884139 , 3890846283
n×2
42615098
n×3
63922647
n×4
85230196
n×5
106537745
n÷2
10653774.5
n÷3
7102516.3333333
n÷3
5326887.25
n÷5
4261509.8
n2
454011644387401
n3
9.6738753593551E+21
n4
2.0612657323935E+29
n5
4.3920520594996E+36
2 √n
4616.0100736459
3 √n
277.23272807967
4 √n
67.941225140896
5 √n
29.221782178774
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21307550
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10653775
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4616.0101819645
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999061366
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21307549 can be divided by 2 positive divisors.
The sum of these divisors (counting 21307549) is 21307550, the average is 10653775.
Base
System
Value
2
Binary
1010001010010000010011101
3
Ternary
1111002112110111
4
Quaternary
1101102002131
5
Quinary
20423320144
6
Senary
2040410021
8
Octal
121220235
10
Decimal
21307549
12
Duodecimal
7176911
16
Hexadecimal
145209d
20
Vigesimal
6d38h9
36
Base36
cop0d
md5
927bd1f09bd6ea15b19bc5cc4707a333
sha1
047c6987c02703514a1d22558765c87f99d74184
sha256
69f506793795111af02ed755ed96ab4446fb7be8dc4a9ee71da34907b5b79454
sha512
cc5e6fb3a055f9e0cef470a5558e34d44a35ae432d62948c3f6761fa4364899b64e21c17018979241463522590ba4a7df4581c7f88d8eaea2043f808192fc62a
ripemd-160
6c7e680d8db01eeb0558af19b4aed227543b09d8
Diameter
42615098
Circumference
133879278.80881
Area
1.4263196466517E+15
Volume
4.0521834347591E+22
Surface area
5.7052785866067E+15
Circumference
133879278.80881
Perimeter
85230196
Area
454011644387401
Diagonal
30133424.776729
Surface area
2724069866324406
Volume
9.6738753593551E+21
Space diagonal
36905757.452763
Perimeter
63922647
Area
1.9659280882672E+14
Altitude
18452878.726382
Surface area
1.9659280882672E+14
Volume
1.1400771444922E+21
Height
10044474.925576