21471874 is an even 8-digits composite number following 21471873
and preceding 21471875 . In scientific notation, it is written as 2.1471874 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 10735936 positive integers (up to 21471874) that are relatively prime to 21471874.
21471874 has 4 divisors, whose sum is 32207814
The reverse of 21471874 is 47817412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred seventy-one thousand eight hundred seventy-four
Scientific notation
2.1471874 × 10^7
Engineering notation
2.1471874 × 10^6
Prime Factorization
2 × 10735937
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21471874
Product of the distinct prime numbers
The prime factorization of 21471874 is 2 × 10735937.
Since it has a total of 2 prime factors.
5 , 5 , 81 , 33 , 166 , 434 , 1663 , 234 , 81437 , 61519 , 351311 , 737590 , 8338318 , 1839307 , 56749852 , 21114256 , 572641248 , 116662344 , 7675517606 , 3763148938
n×2
42943748
n×3
64415622
n×4
85887496
n×5
107359370
n÷2
10735937
n÷3
7157291.3333333
n÷3
5367968.5
n÷5
4294374.8
n2
461041373071876
n3
9.8994222713863E+21
n4
2.12559147684E+29
n5
4.5640432366183E+36
2 √n
4633.7753506185
3 √n
277.9435818779
4 √n
68.071839630045
5 √n
29.266715780648
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21471873
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21471874 can be divided by 4 positive divisors.
The sum of these divisors (counting 21471874) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111010001010000010
3
Ternary
1111101212212121
4
Quaternary
1101322022002
5
Quinary
20444044444
6
Senary
2044114454
8
Octal
121721202
10
Decimal
21471874
12
Duodecimal
7235a2a
16
Hexadecimal
147a282
20
Vigesimal
6e3jde
36
Base36
cs7sy
md5
ccb86e6271ca422526f227c30daeeeb3
sha1
dd48f43f066f4538e8fb40c192e1c3462fd4fc29
sha256
17b4e5110b22e1bbf5251d6635f304114e4c5ce9ef0f9f7aaf41157aebafe1da
sha512
61062019e33603dc8ae3314b9222dc6b217af20b412a63e9f7bf5c6513ecafa4a58e783cdbc619d1a80991d399b2c99835f6a0ec57eb545a7db07a21dcbd84dc
ripemd-160
0f9a3fb4c6c068d1d53e6dfaacd2cdeded362bdc
Diameter
42943748
Circumference
134911763.23441
Area
1.4484041906436E+15
Volume
4.1466603043427E+22
Surface area
5.7936167625742E+15
Circumference
134911763.23441
Perimeter
85887496
Area
461041373071876
Diagonal
30365815.420366
Surface area
2766248238431256
Volume
9.8994222713863E+21
Space diagonal
37190376.701717
Perimeter
64415622
Area
1.9963677063795E+14
Altitude
18595188.350859
Surface area
1.9963677063795E+14
Volume
1.1666581029877E+21
Height
10121938.473455