21000520 is an even 8-digits composite number following 21000519
and preceding 21000521 . In scientific notation, it is written as 2.1000520 × 10^7.
The sum of its digits is 10. It has a total of 5 prime factors and 16 positive divisors.
There are 8400192 positive integers (up to 21000520) that are relatively prime to 21000520.
21000520 has 16 divisors, whose sum is 47251260
The reverse of 21000520 is 02500012
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 10
Digital Root 1
Name
twenty-one million five hundred twenty
Scientific notation
2.1000520 × 10^7
Engineering notation
2.1000520 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 525013
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5250130
Product of the distinct prime numbers
The prime factorization of 21000520 is 2 × 2 × 2 × 5 × 525013.
Since it has a total of 5 prime factors.
5 , 1 , 34 , 22 , 183 , 493 , 2835 , 7775 , 62478 , 57575 , 786020 , 8120 , 4944959 , 8127727 , 47308768 , 88592727 , 165990032 , 759316817 , 5753984334 , 6703206247
n×2
42001040
n×3
63001560
n×4
84002080
n×5
105002600
n÷2
10500260
n÷3
7000173.3333333
n÷3
5250130
n÷5
4200104
n2
441021840270400
n3
9.2616879770353E+21
n4
1.9450026359549E+29
n5
4.0846066756424E+36
2 √n
4582.6324312561
3 √n
275.89469482657
4 √n
67.695143335812
5 √n
29.137078881533
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 525013 , 1050026 , 2100052 , 2625065 , 4200104 , 5250130 , 10500260 , 21000520
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000519
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000520 can be divided by 16 positive divisors.
The sum of these divisors (counting 21000520) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111000101001000
3
Ternary
1110111221022001
4
Quaternary
1100013011020
5
Quinary
20334004040
6
Senary
2030040344
8
Octal
120070510
10
Decimal
21000520
12
Duodecimal
70490b4
16
Hexadecimal
1407148
20
Vigesimal
6b5160
36
Base36
ci43s
md5
9b3c8609ee670396331bff315a6948e8
sha1
8c415f92341ccbbc4a61ac8cf478d6ffccaf1ba6
sha256
db764b9bb06ec7646f7487ec8faba8a65cddb908d3a8fc7cbfa33ed7199bd6fb
sha512
d1237ec31ffb7a6a44f84e8c9dc2f491760f796c92da235da8bd43bd6845d6757f131f993fecdfb47c2c78a59e4067d181fb39e72082bf9aa782dfbdd0d16ba9
ripemd-160
7bca5f6ee388d2566966a62bbe2fde85039b7cb3
Diameter
42001040
Circumference
131950158.70713
Area
1.3855109734661E+15
Volume
3.8795267877994E+22
Surface area
5.5420438938646E+15
Circumference
131950158.70713
Perimeter
84002080
Area
441021840270400
Diagonal
29699220.200887
Surface area
2646131041622400
Volume
9.2616879770353E+21
Space diagonal
36373967.625366
Perimeter
63001560
Area
1.9096805864896E+14
Altitude
18186983.812683
Surface area
1.9096805864896E+14
Volume
1.0915003956326E+21
Height
9899740.0669625