21494913 is an odd 8-digits composite number following 21494912
and preceding 21494914 . In scientific notation, it is written as 2.1494913 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 13027200 positive integers (up to 21494913) that are relatively prime to 21494913.
21494913 has 8 divisors, whose sum is 31265376
The reverse of 21494913 is 31949412
Previous prime number is 11
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 nine hundred thirteen
Scientific notation
2.1494913 × 10^7
Engineering notation
2.1494913 × 10^6
Prime Factorization
3 × 11 × 651361
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21494913
Product of the distinct prime numbers
The prime factorization of 21494913 is 3 × 11 × 651361.
Since it has a total of 3 prime factors.
8 , 5 , 43 , 89 , 359 , 666 , 7307 , 8340 , 23324 , 45090 , 478991 , 266484 , 7882628 , 8125560 , 50311175 , 66350797 , 676355402 , 976478025 , 1857894877 , 8903060416
n×2
42989826
n×3
64484739
n×4
85979652
n×5
107474565
n÷2
10747456.5
n÷3
7164971
n÷3
5373728.25
n÷5
4298982.6
n2
462031284877569
n3
9.9313222717216E+21
n4
2.1347290820562E+29
n5
4.5885815897367E+36
2 √n
4636.2606699796
3 √n
278.04295611425
4 √n
68.090092304091
5 √n
29.272993636562
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
-21494912
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 21494913 can be divided by 8 positive divisors.
The sum of these divisors (counting 21494913) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111110010000001
3
Ternary
1111110001110220
4
Quaternary
1101333302001
5
Quinary
21000314123
6
Senary
2044413253
8
Octal
121776201
10
Decimal
21494913
12
Duodecimal
7247229
16
Hexadecimal
147fc81
20
Vigesimal
6e6h5d
36
Base36
cspkx
md5
3d88a52bd6b237b3ecad28ff158a22b2
sha1
1042c6f93341107097256ab33f33abf1ad4e2f0e
sha256
fd93437bd910cc809e0b47eadbb78354ab2e2a3dd3b59fc03f3ed118083a5c56
sha512
1190c860f0ae86c1a1a3463ac3a96f54f23239efa5fa5dede09763f05898c5685736a831a0c8962483b11ca4895e56b4015fff5128080c97e4e763364b3c931b
ripemd-160
51188b439becf98d9662660c5b4432556d1c2ffc
Diameter
42989826
Circumference
135056521.5407
Area
1.4515140903E+15
Volume
4.1600225452364E+22
Surface area
5.8060563612001E+15
Circumference
135056521.5407
Perimeter
85979652
Area
462031284877569
Diagonal
30398397.48663
Surface area
2772187709265414
Volume
9.9313222717216E+21
Space diagonal
37230281.420273
Perimeter
64484739
Area
2.0006541502357E+14
Altitude
18615140.710136
Surface area
2.0006541502357E+14
Volume
1.1704175540806E+21
Height
10132799.16221