21690620 is an even 8-digits composite number following 21690619
and preceding 21690621 . In scientific notation, it is written as 2.1690620 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 7436736 positive integers (up to 21690620) that are relatively prime to 21690620.
21690620 has 12 divisors, whose sum is 39043368
The reverse of 21690620 is 02609612
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million six hundred ninety thousand six hundred twenty
Scientific notation
2.1690620 × 10^7
Engineering notation
2.1690620 × 10^6
Prime Factorization
2 × 2 × 35 × 154933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10845310
Product of the distinct prime numbers
The prime factorization of 21690620 is 2 × 2 × 35 × 154933.
Since it has a total of 4 prime factors.
1 , 10 , 84 , 35 , 931 , 785 , 466 , 8731 , 26516 , 85735 , 884314 , 833558 , 9235168 , 8976780 , 23919066 , 94884648 , 350062209 , 12852968 , 7033702351 , 3470708877
n×2
43381240
n×3
65071860
n×4
86762480
n×5
108453100
n÷2
10845310
n÷3
7230206.6666667
n÷3
5422655
n÷5
4338124
n2
470482995984400
n3
1.0205067882359E+22
n4
2.2135424951046E+29
n5
4.8013109115165E+36
2 √n
4657.3189712537
3 √n
278.88425031982
4 √n
68.244552685571
5 √n
29.326105539897
1 , 2 , 4 , 35 , 70 , 140 , 154933 , 309866 , 619732 , 5422655 , 10845310 , 21690620
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21690619
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21690620 can be divided by 12 positive divisors.
The sum of these divisors (counting 21690620) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010101111100011111100
3
Ternary
1111210222221022
4
Quaternary
1102233203330
5
Quinary
21023044440
6
Senary
2052523312
8
Octal
122574374
10
Decimal
21690620
12
Duodecimal
7320538
16
Hexadecimal
14af8fc
20
Vigesimal
6fb6b0
36
Base36
cwwl8
md5
8fc4c6aac199612baae032847fcbf371
sha1
e97ba21080e31b495f685949684c36c5090de9a6
sha256
d89a30017c03df6742e96d026f4e78958135382f88725cfcb089f02bf35ffde0
sha512
4a07b98fda39dd1a94d6cec1cae16a704fdb6670d7be5ca861a48a0a519977e63492b405b15653087cb9bf27dfb8c91d3d9b84a22952b8fae6c5610e81a48933
ripemd-160
6b09be3d93c4377a3db2d111cccf2708bc870ba0
Diameter
43381240
Circumference
136286184.88762
Area
1.4780659238235E+15
Volume
4.2746888384806E+22
Surface area
5.912263695294E+15
Circumference
136286184.88762
Perimeter
86762480
Area
470482995984400
Diagonal
30675168.980281
Surface area
2822897975906400
Volume
1.0205067882359E+22
Space diagonal
37569255.88767
Perimeter
65071860
Area
2.0372511328555E+14
Altitude
18784627.943835
Surface area
2.0372511328555E+14
Volume
1.2026787836809E+21
Height
10225056.32676