21084874 is an even 8-digits composite number following 21084873
and preceding 21084875 . In scientific notation, it is written as 2.1084874 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 10535820 positive integers (up to 21084874) that are relatively prime to 21084874.
21084874 has 8 divisors, whose sum is 31647168
The reverse of 21084874 is 47848012
Previous prime number is 2671
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million eighty-four thousand eight hundred seventy-four
Scientific notation
2.1084874 × 10^7
Engineering notation
2.1084874 × 10^6
Prime Factorization
2 × 2671 × 3947
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21084874
Product of the distinct prime numbers
The prime factorization of 21084874 is 2 × 2671 × 3947.
Since it has a total of 3 prime factors.
4 , 4 , 69 , 42 , 368 , 305 , 8137 , 9670 , 8518 , 18306 , 377985 , 594406 , 210654 , 7645426 , 14253389 , 21110905 , 339829470 , 590112858 , 702372465 , 3683736100
n×2
42169748
n×3
63254622
n×4
84339496
n×5
105424370
n÷2
10542437
n÷3
7028291.3333333
n÷3
5271218.5
n÷5
4216974.8
n2
444571911595876
n3
9.3737427399382E+21
n4
1.9764418458001E+29
n5
4.1673027287023E+36
2 √n
4591.8268695586
3 √n
276.26360204109
4 √n
67.763019926495
5 √n
29.160448680385
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
-21084873
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 21084874 can be divided by 8 positive divisors.
The sum of these divisors (counting 21084874) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011011101011001010
3
Ternary
1110200020000021
4
Quaternary
1100123223022
5
Quinary
20344203444
6
Senary
2031531054
8
Octal
120335312
10
Decimal
21084874
12
Duodecimal
7089a8a
16
Hexadecimal
141baca
20
Vigesimal
6bfc3e
36
Base36
cjx6y
md5
b9f04af8e03bdffef8e79c5fa4fa983f
sha1
52bbd6cd8fe8a58bd2c2dca7c3f6a36f4324ed08
sha256
6300db03ce7102fa611b2eb060e5b4cea34a19715cd7dcbb7766ad54ed656b1e
sha512
b1524566d759434c7f74efeab7fe579ce7585133bd2b138d9cca3d68ea15dd369b0271c4aee5c94b75cd31a69650f065d4d60101c94dc662113a9b086236f935
ripemd-160
2cfeb217c753cb44d4f0851846828b59b01f79f0
Diameter
42169748
Circumference
132480170.52053
Area
1.396663851462E+15
Volume
3.9264641771241E+22
Surface area
5.5866554058479E+15
Circumference
132480170.52053
Perimeter
84339496
Area
444571911595876
Diagonal
29818514.771728
Surface area
2667431469575256
Volume
9.3737427399382E+21
Space diagonal
36520073.039188
Perimeter
63254622
Area
1.9250528462552E+14
Altitude
18260036.519594
Surface area
1.9250528462552E+14
Volume
1.1047061760847E+21
Height
9939504.9239093