21494494 is an even 8-digits composite number following 21494493
and preceding 21494495 . In scientific notation, it is written as 2.1494494 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 8669952 positive integers (up to 21494494) that are relatively prime to 21494494.
21494494 has 16 divisors, whose sum is 39015648
The reverse of 21494494 is 49449412
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety-four thousand four hundred ninety-four
Scientific notation
2.1494494 × 10^7
Engineering notation
2.1494494 × 10^6
Prime Factorization
2 × 17 × 7 × 90313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21494494
Product of the distinct prime numbers
The prime factorization of 21494494 is 2 × 17 × 7 × 90313.
Since it has a total of 4 prime factors.
4 , 5 , 64 , 80 , 819 , 631 , 6739 , 5492 , 20064 , 55096 , 687879 , 548198 , 3096131 , 4860296 , 76525461 , 15031859 , 914667688 , 373363146 , 5116211838 , 609794219
n×2
42988988
n×3
64483482
n×4
85977976
n×5
107472470
n÷2
10747247
n÷3
7164831.3333333
n÷3
5373623.5
n÷5
4298898.8
n2
462013272316036
n3
9.9307415097174E+21
n4
2.1345626379617E+29
n5
4.5881343814292E+36
2 √n
4636.2154824814
3 √n
278.04114947352
4 √n
68.089760481892
5 √n
29.272879512071
1 , 2 , 7 , 14 , 17 , 34 , 119 , 238 , 90313 , 180626 , 632191 , 1264382 , 1535321 , 3070642 , 10747247 , 21494494
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
-21494493
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 21494494 can be divided by 16 positive divisors.
The sum of these divisors (counting 21494494) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111101011011110
3
Ternary
1111110000220101
4
Quaternary
1101333223132
5
Quinary
21000310434
6
Senary
2044411314
8
Octal
121775336
10
Decimal
21494494
12
Duodecimal
7246b3a
16
Hexadecimal
147fade
20
Vigesimal
6e6g4e
36
Base36
csp9a
md5
3fbbfa3e4c53e78ba4df843bae8a85cb
sha1
a1cc594faa978f56b14c8a71ec804b21c4ac1f2e
sha256
a5810d90d63aecc21980765d8599f6d22877cbb2437cc8c168218539756725fe
sha512
6de5edf0b7b038b6213860604e5adcb88f387eeb8dcaae0dba6003d71302455da2b2f8bed6f8eb47b61aa10047d74dca7281eefe0e158135d47d9ba4b1e2e25e
ripemd-160
a3502f47c3c6b60c5093b63686712510601625e5
Diameter
42988988
Circumference
135053888.88606
Area
1.451457502169E+15
Volume
4.159779276217E+22
Surface area
5.8058300086762E+15
Circumference
135053888.88606
Perimeter
85977976
Area
462013272316036
Diagonal
30397804.931147
Surface area
2772079633896216
Volume
9.9307415097174E+21
Space diagonal
37229555.690984
Perimeter
64483482
Area
2.0005761535563E+14
Altitude
18614777.845492
Surface area
2.0005761535563E+14
Volume
1.170349110622E+21
Height
10132601.643716