21494481 is an odd 8-digits composite number following 21494480
and preceding 21494482 . In scientific notation, it is written as 2.1494481 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 13700288 positive integers (up to 21494481) that are relatively prime to 21494481.
21494481 has 16 divisors, whose sum is 29937600
The reverse of 21494481 is 18449412
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety-four thousand four hundred eighty-one
Scientific notation
2.1494481 × 10^7
Engineering notation
2.1494481 × 10^6
Prime Factorization
3 × 29 × 107 × 2309
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21494481
Product of the distinct prime numbers
The prime factorization of 21494481 is 3 × 29 × 107 × 2309.
Since it has a total of 4 prime factors.
1 , 9 , 53 , 13 , 175 , 269 , 6680 , 3491 , 77283 , 60872 , 959885 , 461189 , 529569 , 8501655 , 22142044 , 16543991 , 516224663 , 417702346 , 3054243368 , 3167114848
n×2
42988962
n×3
64483443
n×4
85977924
n×5
107472405
n÷2
10747240.5
n÷3
7164827
n÷3
5373620.25
n÷5
4298896.2
n2
462012713459361
n3
9.9307234912107E+21
n4
2.1345574739808E+29
n5
4.5881205067889E+36
2 √n
4636.2140804756
3 √n
278.04109341986
4 √n
68.089750186615
5 √n
29.272875971187
1 , 3 , 29 , 87 , 107 , 321 , 2309 , 3103 , 6927 , 9309 , 66961 , 200883 , 247063 , 741189 , 7164827 , 21494481
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
-21494480
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 21494481 can be divided by 16 positive divisors.
The sum of these divisors (counting 21494481) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111101011010001
3
Ternary
1111110000212220
4
Quaternary
1101333223101
5
Quinary
21000310411
6
Senary
2044411253
8
Octal
121775321
10
Decimal
21494481
12
Duodecimal
7246b29
16
Hexadecimal
147fad1
20
Vigesimal
6e6g41
36
Base36
csp8x
md5
22550f23f944e488ef9980ce2bbbfede
sha1
fe1111cab59a9d362e40d61b47d646f8b3c347b1
sha256
a13a061e78ad9128c5f2bc1442be2b3989a23266b9e8cab811540c954ddab031
sha512
d49c6d09e51a2e511bce807eccdecda482a37434d0b0dbc0c90033a20fd6af5b36335c556c89e478eca30cb5d085e0812a4071300e1788d0c1f9990f4f29cd6f
ripemd-160
5ef6ec02b549d0024f7d5e3a40f907a23b55a64f
Diameter
42988962
Circumference
135053807.20465
Area
1.451455746469E+15
Volume
4.1597717286425E+22
Surface area
5.8058229858761E+15
Circumference
135053807.20465
Perimeter
85977924
Area
462012713459361
Diagonal
30397786.546371
Surface area
2772076280756166
Volume
9.9307234912107E+21
Space diagonal
37229533.174324
Perimeter
64483443
Area
2.0005737336359E+14
Altitude
18614766.587162
Surface area
2.0005737336359E+14
Volume
1.1703469871206E+21
Height
10132595.515457