21690420 is an even 8-digits composite number following 21690419
and preceding 21690421 . In scientific notation, it is written as 2.1690420 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 5784096 positive integers (up to 21690420) that are relatively prime to 21690420.
21690420 has 24 divisors, whose sum is 60733344
The reverse of 21690420 is 02409612
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million six hundred ninety thousand four hundred twenty
Scientific notation
2.1690420 × 10^7
Engineering notation
2.1690420 × 10^6
Prime Factorization
2 × 2 × 3 × 5 × 361507
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10845210
Product of the distinct prime numbers
The prime factorization of 21690420 is 2 × 2 × 3 × 5 × 361507.
Since it has a total of 5 prime factors.
2 , 3 , 34 , 46 , 680 , 306 , 8937 , 2702 , 6501 , 42203 , 671204 , 594301 , 8651871 , 2319035 , 42100179 , 30227489 , 594758612 , 127336476 , 9261405016 , 2804185663
n×2
43380840
n×3
65071260
n×4
86761680
n×5
108452100
n÷2
10845210
n÷3
7230140
n÷3
5422605
n÷5
4338084
n2
470474319776400
n3
1.0204785595164E+22
n4
2.2134608556907E+29
n5
4.801089561349E+36
2 √n
4657.2974996236
3 √n
278.88339315942
4 √n
68.244395371514
5 √n
29.326051458983
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 361507 , 723014 , 1084521 , 1446028 , 1807535 , 2169042 , 3615070 , 4338084 , 5422605 , 7230140 , 10845210 , 21690420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21690419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21690420 can be divided by 24 positive divisors.
The sum of these divisors (counting 21690420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010101111100000110100
3
Ternary
1111210222122220
4
Quaternary
1102233200310
5
Quinary
21023043140
6
Senary
2052522340
8
Octal
122574064
10
Decimal
21690420
12
Duodecimal
73203b0
16
Hexadecimal
14af834
20
Vigesimal
6fb610
36
Base36
cwwfo
md5
646c546c0826625db10e5d4c9d407c03
sha1
608b5b8f060b6ea59d165998bc2d9267c1f9e8b5
sha256
845b402f0e70cc2ee7203cdf72bf94b2a61a3dd983e1fa9693e11665f1606b78
sha512
a7dcdfd3effd76a489d40b9d8ffde51ce0ff9b73287ebdb1d94d2cf9a1d27da3869894d984c05b5c2e5b3cc4c963fac180c700c8dfea88d225a08484b8217334
ripemd-160
b0d8e408fab6903734b71a66db86c9e1887a70c1
Diameter
43380840
Circumference
136284928.25055
Area
1.4780386667122E+15
Volume
4.274570594297E+22
Surface area
5.9121546668488E+15
Circumference
136284928.25055
Perimeter
86761680
Area
470474319776400
Diagonal
30674886.137569
Surface area
2822845918658400
Volume
1.0204785595164E+22
Space diagonal
37568909.477508
Perimeter
65071260
Area
2.0372135637728E+14
Altitude
18784454.738754
Surface area
2.0372135637728E+14
Volume
1.2026455158159E+21
Height
10224962.045856