21234587 is an odd 8-digits composite number following 21234586
and preceding 21234588 . In scientific notation, it is written as 2.1234587 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 19304160 positive integers (up to 21234587) that are relatively prime to 21234587.
21234587 has 4 divisors, whose sum is 23165016
The reverse of 21234587 is 78543212
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million two hundred thirty-four thousand five hundred eighty-seven
Scientific notation
2.1234587 × 10^7
Engineering notation
2.1234587 × 10^6
Prime Factorization
11 × 1930417
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21234587
Product of the distinct prime numbers
The prime factorization of 21234587 is 11 × 1930417.
Since it has a total of 2 prime factors.
8 , 7 , 5 , 6 , 268 , 869 , 7541 , 5264 , 94205 , 65634 , 840351 , 390777 , 4296577 , 2834115 , 41301476 , 16594294 , 943144120 , 736006938 , 2471355078 , 1357935429
n×2
42469174
n×3
63703761
n×4
84938348
n×5
106172935
n÷2
10617293.5
n÷3
7078195.6666667
n÷3
5308646.75
n÷5
4246917.4
n2
450907685060569
n3
9.5748384673873E+21
n4
2.0331774044668E+29
n5
4.3173682481585E+36
2 √n
4608.1001508214
3 √n
276.91592977557
4 √n
67.882988670368
5 √n
29.201742276671
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
-21234586
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 21234587 can be divided by 4 positive divisors.
The sum of these divisors (counting 21234587) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001000000001110011011
3
Ternary
1110221211101012
4
Quaternary
1101000032123
5
Quinary
20414001322
6
Senary
2035044135
8
Octal
121001633
10
Decimal
21234587
12
Duodecimal
714064b
16
Hexadecimal
144039b
20
Vigesimal
6ce697
36
Base36
cn4pn
md5
b972c1eb5d9ad02c58b1140f39386b4d
sha1
d0fd22597b4359d129831f0f29ac6ccff5809e09
sha256
68573d2dc003c95a9dc26fbe488d043ef6a1ffa2b3c40e809262745536ebf943
sha512
895a84770f6a5ece9afee50003c078e42660f28204137f89b9d3ccf99b21e1593f65a663e83fec43f9f19ac44f75cf214d4a23428fcc9893336ec9cc08da97af
ripemd-160
1aaf1121ed04469df251fe273e8c255928a60fad
Diameter
42469174
Circumference
133420845.04243
Area
1.4165682708335E+15
Volume
4.0106989584604E+22
Surface area
5.6662730833339E+15
Circumference
133420845.04243
Perimeter
84938348
Area
450907685060569
Diagonal
30030240.926791
Surface area
2705446110363414
Volume
9.5748384673873E+21
Space diagonal
36779383.561742
Perimeter
63703761
Area
1.9524875501204E+14
Altitude
18389691.780871
Surface area
1.9524875501204E+14
Volume
1.1284055348426E+21
Height
10010080.30893