21494973 is an odd 8-digits composite number following 21494972
and preceding 21494974 . In scientific notation, it is written as 2.1494973 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 14079744 positive integers (up to 21494973) that are relatively prime to 21494973.
21494973 has 16 divisors, whose sum is 29165760
The reverse of 21494973 is 37949412
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million four hundred ninety-four thousand nine hundred seventy-three
Scientific notation
2.1494973 × 10^7
Engineering notation
2.1494973 × 10^6
Prime Factorization
3 × 113 × 389 × 163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21494973
Product of the distinct prime numbers
The prime factorization of 21494973 is 3 × 113 × 389 × 163.
Since it has a total of 4 prime factors.
4 , 3 , 100 , 5 , 595 , 48 , 9254 , 1765 , 3272 , 1002 , 643868 , 433689 , 2019212 , 8438056 , 55397166 , 13372367 , 256970975 , 433905942 , 6021413061 , 4854584293
n×2
42989946
n×3
64484919
n×4
85979892
n×5
107474865
n÷2
10747486.5
n÷3
7164991
n÷3
5373743.25
n÷5
4298994.6
n2
462033864270729
n3
9.931405437585E+21
n4
2.1347529173294E+29
n5
4.5886456319667E+36
2 √n
4636.2671407071
3 √n
278.04321481983
4 √n
68.090139819999
5 √n
29.273009978825
1 , 3 , 113 , 163 , 339 , 389 , 489 , 1167 , 18419 , 43957 , 55257 , 63407 , 131871 , 190221 , 7164991 , 21494973
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
-21494972
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 21494973 can be divided by 16 positive divisors.
The sum of these divisors (counting 21494973) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111110010111101
3
Ternary
1111110001120010
4
Quaternary
1101333302331
5
Quinary
21000314343
6
Senary
2044413433
8
Octal
121776275
10
Decimal
21494973
12
Duodecimal
7247279
16
Hexadecimal
147fcbd
20
Vigesimal
6e6h8d
36
Base36
cspml
md5
3f29dde729b304cfc33c7577ee9edddb
sha1
73f734a993672b916812a6856a00c830432a4030
sha256
5c7b96781b1cbd23b93630974d16e2aafd34856273f655b680461f60067c758d
sha512
f76ec902c0423c18e8e9b759b56101cb0c80f8358e1fbb653f159feee7cb98ad0a9540076bd5950a99d48d780c1a64970fc7870124d8ca1a55aa5a87eb1d5d62
ripemd-160
06a0a87c552268ec5717133174d32d4f11991346
Diameter
42989946
Circumference
135056898.53182
Area
1.4515221937026E+15
Volume
4.1600573816718E+22
Surface area
5.8060887748105E+15
Circumference
135056898.53182
Perimeter
85979892
Area
462033864270729
Diagonal
30398482.339443
Surface area
2772203185624374
Volume
9.931405437585E+21
Space diagonal
37230385.343321
Perimeter
64484919
Area
2.0006653193357E+14
Altitude
18615192.671661
Surface area
2.0006653193357E+14
Volume
1.1704273552715E+21
Height
10132827.446481