21502009 is an odd 8-digits composite number following 21502008
and preceding 21502010 . In scientific notation, it is written as 2.1502009 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 21473280 positive integers (up to 21502009) that are relatively prime to 21502009.
21502009 has 4 divisors, whose sum is 21530740
The reverse of 21502009 is 90020512
Previous prime number is 769
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million five hundred two thousand nine
Scientific notation
2.1502009 × 10^7
Engineering notation
2.1502009 × 10^6
Prime Factorization
769 × 27961
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21502009
Product of the distinct prime numbers
The prime factorization of 21502009 is 769 × 27961.
Since it has a total of 2 prime factors.
5 , 4 , 73 , 74 , 954 , 626 , 5730 , 5667 , 17010 , 45708 , 671696 , 890669 , 6715686 , 8948143 , 54294750 , 60068852 , 65771896 , 488908340 , 4889538741 , 2198272143
n×2
43004018
n×3
64506027
n×4
86008036
n×5
107510045
n÷2
10751004.5
n÷3
7167336.3333333
n÷3
5375502.25
n÷5
4300401.8
n2
462336391036081
n3
9.9411612410853E+21
n4
2.1375493847627E+29
n5
4.5961606109112E+36
2 √n
4637.0258787287
3 √n
278.07354902314
4 √n
68.095711162515
5 √n
29.274926128577
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21502008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21502009 can be divided by 4 positive divisors.
The sum of these divisors (counting 21502009) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010000001100000111001
3
Ternary
1111110102012201
4
Quaternary
1102001200321
5
Quinary
21001031014
6
Senary
2044510201
8
Octal
122014071
10
Decimal
21502009
12
Duodecimal
724b361
16
Hexadecimal
1481839
20
Vigesimal
6e7f09
36
Base36
csv21
md5
f12b15a16324120c0652c2490b7e3b26
sha1
9ec0abf0b1c6637042c1136b47506be6f389f453
sha256
60e224dd1431c2412395b538828da3f4d0c4f83b53b7bb439119940676d45297
sha512
d89882c1a6f4849e52bd63060d67eb5d2c796a4cbde1a228fdb8e18a1f88d6d6f07b0045af22d7c1bfe90e198f057b19b41273da7e02bca5cf8cbd1b43a36c80
ripemd-160
4484942471502886506f4cff09df13d872ede96b
Diameter
43004018
Circumference
135101107.02364
Area
1.4524726095662E+15
Volume
4.164143883086E+22
Surface area
5.8098904382647E+15
Circumference
135101107.02364
Perimeter
86008036
Area
462336391036081
Diagonal
30408432.746068
Surface area
2774018346216486
Volume
9.9411612410853E+21
Space diagonal
37242572.052803
Perimeter
64506027
Area
2.0019752986563E+14
Altitude
18621286.026402
Surface area
2.0019752986563E+14
Volume
1.1715770877401E+21
Height
10136144.248689