21084089 is an odd 8-digits composite number following 21084088
and preceding 21084090 . In scientific notation, it is written as 2.1084089 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 18782400 positive integers (up to 21084089) that are relatively prime to 21084089.
21084089 has 16 divisors, whose sum is 23514624
The reverse of 21084089 is 98048012
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million eighty-four thousand eighty-nine
Scientific notation
2.1084089 × 10^7
Engineering notation
2.1084089 × 10^6
Prime Factorization
13 × 71 × 53 × 431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21084089
Product of the distinct prime numbers
The prime factorization of 21084089 is 13 × 71 × 53 × 431.
Since it has a total of 4 prime factors.
2 , 4 , 54 , 61 , 653 , 500 , 2110 , 6665 , 37874 , 75580 , 583914 , 840446 , 9437351 , 2249321 , 39537859 , 31612591 , 780970212 , 255243240 , 5027074821 , 9735778215
n×2
42168178
n×3
63252267
n×4
84336356
n×5
105420445
n÷2
10542044.5
n÷3
7028029.6666667
n÷3
5271022.25
n÷5
4216817.8
n2
444538808959921
n3
9.372695812065E+21
n4
1.9761475267151E+29
n5
4.166527033039E+36
2 √n
4591.7413908015
3 √n
276.26017352295
4 √n
67.762389205233
5 √n
29.160231545645
1 , 13 , 53 , 71 , 431 , 689 , 923 , 3763 , 5603 , 22843 , 30601 , 48919 , 296959 , 397813 , 1621853 , 21084089
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
-21084088
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 21084089 can be divided by 16 positive divisors.
The sum of these divisors (counting 21084089) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011011011110111001
3
Ternary
1110200011221012
4
Quaternary
1100123132321
5
Quinary
20344142324
6
Senary
2031523305
8
Octal
120333671
10
Decimal
21084089
12
Duodecimal
7089535
16
Hexadecimal
141b7b9
20
Vigesimal
6bfa49
36
Base36
cjwl5
md5
f16116f292069bb34f9abb4e9007c929
sha1
75916cf1fcb8f31224943abb29cb9bb080775127
sha256
937088c90d3816fc467b6f455528e228e605c04a38095035cada125f20413d06
sha512
f92b9569172b70e924e5befb8713a198ada9171cc5900dbbb7d377f35324b1091f8304c82fe740fc5e6c853ca65a1d7662df486955ba9a05190e42f7b8318985
ripemd-160
9066382954aaefd22c3cfca6ac5bac263ad3801a
Diameter
42168178
Circumference
132475238.22007
Area
1.396559856464E+15
Volume
3.926025641002E+22
Surface area
5.5862394258562E+15
Circumference
132475238.22007
Perimeter
84336356
Area
444538808959921
Diagonal
29817404.614081
Surface area
2667232853759526
Volume
9.372695812065E+21
Space diagonal
36518713.379304
Perimeter
63252267
Area
1.9249095076368E+14
Altitude
18259356.689652
Surface area
1.9249095076368E+14
Volume
1.1045827944516E+21
Height
9939134.8713605