21690783 is an odd 8-digits composite number following 21690782
and preceding 21690784 . In scientific notation, it is written as 2.1690783 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 14436960 positive integers (up to 21690783) that are relatively prime to 21690783.
21690783 has 8 divisors, whose sum is 24140160
The reverse of 21690783 is 38709612
Previous prime number is 761
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million six hundred ninety thousand seven hundred eighty-three
Scientific notation
2.1690783 × 10^7
Engineering notation
2.1690783 × 10^6
Prime Factorization
9 × 761 × 3167
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21690783
Product of the distinct prime numbers
The prime factorization of 21690783 is 9 × 761 × 3167.
Since it has a total of 3 prime factors.
1 , 7 , 56 , 22 , 500 , 150 , 9992 , 7937 , 76934 , 17837 , 451118 , 326625 , 9905806 , 9694300 , 3662743 , 72229612 , 604606666 , 147813247 , 3579273951 , 2842601308
n×2
43381566
n×3
65072349
n×4
86763132
n×5
108453915
n÷2
10845391.5
n÷3
7230261
n÷3
5422695.75
n÷5
4338156.6
n2
470490067153089
n3
1.0205297950273E+22
n4
2.2136090328972E+29
n5
4.8014913179413E+36
2 √n
4657.3364705591
3 √n
278.88494890164
4 √n
68.244680895723
5 √n
29.326149615546
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21690782
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21690783 can be divided by 8 positive divisors.
The sum of these divisors (counting 21690783) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101111100110011111
3
Ternary
1111211000011100
4
Quaternary
1102233212133
5
Quinary
21023101113
6
Senary
2052524143
8
Octal
122574637
10
Decimal
21690783
12
Duodecimal
7320653
16
Hexadecimal
14af99f
20
Vigesimal
6fb6j3
36
Base36
cwwpr
md5
b9f7973ea8d786f0ce93a60bc1e4f6df
sha1
5976e29c3dadf2b1e707bdc34a0c2ca1dcee8d66
sha256
0766c4fe38c338c9710d6dcb9c21b2b9805730f83895e7f6f11f572a24279a0a
sha512
cf6f9375076a9844a13d0f169164b24c6c853f2c549ad0d17b7d00eeeacf17e117a0cf6675e009f67a1ac541f8b73404e65f1be0998dec302de9b441d169ac4d
ripemd-160
7609e200a6b1ac561fb458f0ab07d2c092458677
Diameter
43381566
Circumference
136287209.04682
Area
1.4780881385551E+15
Volume
4.2747852091031E+22
Surface area
5.9123525542205E+15
Circumference
136287209.04682
Perimeter
86763132
Area
470490067153089
Diagonal
30675399.497092
Surface area
2822940402918534
Volume
1.0205297950273E+22
Space diagonal
37569538.211951
Perimeter
65072349
Area
2.0372817519141E+14
Altitude
18784769.105976
Surface area
2.0372817519141E+14
Volume
1.2027058974445E+21
Height
10225133.165697