21036481 is an odd 8-digits prime number following 21036480
and preceding 21036482 . In scientific notation, it is written as 2.1036481 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 21036480 positive integers (up to 21036481) that are relatively prime to 21036481.
21036481 has 2 divisors, whose sum is 21036482
The reverse of 21036481 is 18463012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million thirty-six thousand four hundred eighty-one
Scientific notation
2.1036481 × 10^7
Engineering notation
2.1036481 × 10^6
Prime Factorization
21036481
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21036481
Product of the distinct prime numbers
The prime factorization of 21036481 is 21036481.
Since it has a total of 1 prime factors.
4 , 4 , 66 , 42 , 29 , 267 , 2528 , 9699 , 28999 , 83238 , 292689 , 848137 , 7006288 , 6828815 , 90160605 , 29504242 , 413084354 , 843655885 , 5842131848 , 7198292483
n×2
42072962
n×3
63109443
n×4
84145924
n×5
105182405
n÷2
10518240.5
n÷3
7012160.3333333
n÷3
5259120.25
n÷5
4207296.2
n2
442533532863361
n3
9.309348255943E+21
n4
1.9583592770853E+29
n5
4.1196987723578E+36
2 √n
4586.5543712029
3 √n
276.05208444335
4 √n
67.724104801783
5 √n
29.147050839712
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21036482
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10518241
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4586.5544802171
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999049271
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21036481 can be divided by 2 positive divisors.
The sum of these divisors (counting 21036481) is 21036482, the average is 10518241.
Base
System
Value
2
Binary
1010000001111110111000001
3
Ternary
1110120202121221
4
Quaternary
1100033313001
5
Quinary
20341131411
6
Senary
2030515041
8
Octal
120176701
10
Decimal
21036481
12
Duodecimal
7065a81
16
Hexadecimal
140fdc1
20
Vigesimal
6b9b41
36
Base36
civup
md5
72d96eedb050006f63393d6716a1ee97
sha1
ea42b0453b159d8850314c4b85d340f66f9d8b7d
sha256
9fa877bd7c9f3ec357bbf800a1b88e952b783023dbb54014d2761de8190b1215
sha512
825a7321ffebd502607cf0cc6b44ce339cb49983807ef5a4b35a48d4f6be803e85c58187fbfc92b66dd1d9974735ae13f63509ddec25bf4fc11a3d2d4614878c
ripemd-160
d20e95109a389f84be82465950b5a84d600582b9
Diameter
42072962
Circumference
132176108.33396
Area
1.3902600958107E+15
Volume
3.8994906787439E+22
Surface area
5.5610403832427E+15
Circumference
132176108.33396
Perimeter
84145924
Area
442533532863361
Diagonal
29750076.734804
Surface area
2655201197180166
Volume
9.309348255943E+21
Space diagonal
36436253.904457
Perimeter
63109443
Area
1.9162264074307E+14
Altitude
18218126.952229
Surface area
1.9162264074307E+14
Volume
1.0971172133674E+21
Height
9916692.2449346