21084472 is an even 8-digits composite number following 21084471
and preceding 21084473 . In scientific notation, it is written as 2.1084472 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 10474464 positive integers (up to 21084472) that are relatively prime to 21084472.
21084472 has 16 divisors, whose sum is 39787560
The reverse of 21084472 is 27448012
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million eighty-four thousand four hundred seventy-two
Scientific notation
2.1084472 × 10^7
Engineering notation
2.1084472 × 10^6
Prime Factorization
2 × 2 × 2 × 157 × 16787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5271118
Product of the distinct prime numbers
The prime factorization of 21084472 is 2 × 2 × 2 × 157 × 16787.
Since it has a total of 5 prime factors.
5 , 7 , 58 , 20 , 735 , 486 , 446 , 6799 , 568 , 91119 , 971671 , 296217 , 536834 , 9213777 , 27140735 , 72633577 , 468545303 , 402965324 , 6868684729 , 9031486023
n×2
42168944
n×3
63253416
n×4
84337888
n×5
105422360
n÷2
10542236
n÷3
7028157.3333333
n÷3
5271118
n÷5
4216894.4
n2
444554959518784
n3
9.3732065964349E+21
n4
1.9762911203275E+29
n5
4.1669054790393E+36
2 √n
4591.7830959225
3 √n
276.26184630103
4 √n
67.762696935132
5 √n
29.160337486078
1 , 2 , 4 , 8 , 157 , 314 , 628 , 1256 , 16787 , 33574 , 67148 , 134296 , 2635559 , 5271118 , 10542236 , 21084472
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21084471
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21084472 can be divided by 16 positive divisors.
The sum of these divisors (counting 21084472) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011011100100111000
3
Ternary
1110200012110101
4
Quaternary
1100123210320
5
Quinary
20344200342
6
Senary
2031525144
8
Octal
120334470
10
Decimal
21084472
12
Duodecimal
70897b4
16
Hexadecimal
141b938
20
Vigesimal
6bfb3c
36
Base36
cjwvs
md5
365c1a9577d7a87fffb1e154d0323f1f
sha1
8bee1673078df9ee8e36fdb6ccc3382315b708f0
sha256
34afdf18d7a02bff2611e452d8e8cd063310714ef113a877cae8130042952053
sha512
5fe2983f0f8ebd52fddef10e20f6c5459ee70512bb24ac0a8480b94b4328b8cc9513f5b9b7816051d06a72624213fc938bb770da368d2b7cbb9dc59c6b1d23dd
ripemd-160
871e2734edb61073acd8acaaa8ee141ad8a98fb6
Diameter
42168944
Circumference
132477644.68004
Area
1.3966105949411E+15
Volume
3.9262395978586E+22
Surface area
5.5864423797645E+15
Circumference
132477644.68004
Perimeter
84337888
Area
444554959518784
Diagonal
29817946.257876
Surface area
2667329757112704
Volume
9.3732065964349E+21
Space diagonal
36519376.754763
Perimeter
63253416
Area
1.9249794416081E+14
Altitude
18259688.377382
Surface area
1.9249794416081E+14
Volume
1.1046429909669E+21
Height
9939315.4192919