21084913 is an odd 8-digits composite number following 21084912
and preceding 21084914 . In scientific notation, it is written as 2.1084913 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 19800384 positive integers (up to 21084913) that are relatively prime to 21084913.
21084913 has 8 divisors, whose sum is 22375008
The reverse of 21084913 is 31948012
Previous prime number is 563
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million eighty-four thousand nine hundred thirteen
Scientific notation
2.1084913 × 10^7
Engineering notation
2.1084913 × 10^6
Prime Factorization
17 × 563 × 2203
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21084913
Product of the distinct prime numbers
The prime factorization of 21084913 is 17 × 563 × 2203.
Since it has a total of 3 prime factors.
9 , 2 , 70 , 28 , 851 , 981 , 5012 , 3159 , 38509 , 15733 , 279288 , 475424 , 1314109 , 9052032 , 66700173 , 23701857 , 328342059 , 192825625 , 1079561382 , 6803471654
n×2
42169826
n×3
63254739
n×4
84339652
n×5
105424565
n÷2
10542456.5
n÷3
7028304.3333333
n÷3
5271228.25
n÷5
4216982.6
n2
444573556217569
n3
9.3737947549481E+21
n4
1.9764564688794E+29
n5
4.1673412694609E+36
2 √n
4591.8311162324
3 √n
276.26377237289
4 √n
67.763051261232
5 √n
29.160459467802
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
-21084912
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 21084913 can be divided by 8 positive divisors.
The sum of these divisors (counting 21084913) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011011101011110001
3
Ternary
1110200020001201
4
Quaternary
1100123223301
5
Quinary
20344204123
6
Senary
2031531201
8
Octal
120335361
10
Decimal
21084913
12
Duodecimal
7089b01
16
Hexadecimal
141baf1
20
Vigesimal
6bfc5d
36
Base36
cjx81
md5
bfab8d54b8bff60dafed89e95ede11d1
sha1
55945e7951f80586e0ccf13a397810d51a86dd87
sha256
ad41916fd0a0bdb3ffde0062d066bbed3c15e1be73913a8f099237a97e700b17
sha512
81ab60c1ed3ebdeeac2a449a6e390f3adb2d060af7802a95cc0c822226efa3b376e70a0fda46b09aaca8ce98405dd3f208bed24f19671295fb75129a5c91d74b
ripemd-160
9047bfa9c9e2a6982f161a795de066850d62ac47
Diameter
42169826
Circumference
132480415.56476
Area
1.3966690181934E+15
Volume
3.9264859651204E+22
Surface area
5.5866760727736E+15
Circumference
132480415.56476
Perimeter
84339652
Area
444573556217569
Diagonal
29818569.926057
Surface area
2667441337305414
Volume
9.3737947549481E+21
Space diagonal
36520140.58917
Perimeter
63254739
Area
1.925059967676E+14
Altitude
18260070.294585
Surface area
1.925059967676E+14
Volume
1.1047123061124E+21
Height
9939523.3086856