21692871 is an odd 8-digits composite number following 21692870
and preceding 21692872 . In scientific notation, it is written as 2.1692871 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 14429520 positive integers (up to 21692871) that are relatively prime to 21692871.
21692871 has 8 divisors, whose sum is 24157200
The reverse of 21692871 is 17829612
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million six hundred ninety-two thousand eight hundred seventy-one
Scientific notation
2.1692871 × 10^7
Engineering notation
2.1692871 × 10^6
Prime Factorization
9 × 491 × 4909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21692871
Product of the distinct prime numbers
The prime factorization of 21692871 is 9 × 491 × 4909.
Since it has a total of 3 prime factors.
5 , 3 , 60 , 22 , 809 , 30 , 8981 , 2971 , 86125 , 86364 , 105191 , 444052 , 8279429 , 2345100 , 98390306 , 4943554 , 748177049 , 413763165 , 3414636894 , 9928893120
n×2
43385742
n×3
65078613
n×4
86771484
n×5
108464355
n÷2
10846435.5
n÷3
7230957
n÷3
5423217.75
n÷5
4338574.2
n2
470580652222641
n3
1.0208245383762E+22
n4
2.2144615024629E+29
n5
4.8038027707393E+36
2 √n
4657.5606276247
3 √n
278.89389729675
4 √n
68.246323180262
5 √n
29.32671419307
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
-21692870
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 21692871 can be divided by 8 positive divisors.
The sum of these divisors (counting 21692871) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110000000111000111
3
Ternary
1111211010000200
4
Quaternary
1102300013013
5
Quinary
21023132441
6
Senary
2052541543
8
Octal
122600707
10
Decimal
21692871
12
Duodecimal
73218b3
16
Hexadecimal
14b01c7
20
Vigesimal
6fbc3b
36
Base36
cwybr
md5
21fc36f01a08e3e3633ec432c1ea5dff
sha1
17ba2dc6e3b996cb8abd28524d7ade50fd6348aa
sha256
2c91c849d20278fc58f792c1be2be009b5496ff66f8bf941d147ca46d836115d
sha512
d1ef04d97c9c5be9d75b200d5930d411fc385d9d73f94d0d9c1f6ced254ead25db0ace862b7e40b0c8570079a11e06c5223a06ebb5c30a5de064f4e16ea4d2a9
ripemd-160
a7066b968e915ee7e9e78883de448835c09860b1
Diameter
43385742
Circumference
136300328.33774
Area
1.4783727199441E+15
Volume
4.2760198271557E+22
Surface area
5.9134908797766E+15
Circumference
136300328.33774
Perimeter
86771484
Area
470580652222641
Diagonal
30678352.37501
Surface area
2823483913335846
Volume
1.0208245383762E+22
Space diagonal
37573154.734037
Perimeter
65078613
Area
2.0376739967713E+14
Altitude
18786577.367019
Surface area
2.0376739967713E+14
Volume
1.2030532558124E+21
Height
10226117.458337