21474949 is an odd 8-digits composite number following 21474948
and preceding 21474950 . In scientific notation, it is written as 2.1474949 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 21409740 positive integers (up to 21474949) that are relatively prime to 21474949.
21474949 has 4 divisors, whose sum is 21540160
The reverse of 21474949 is 94947412
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred seventy-four thousand nine hundred forty-nine
Scientific notation
2.1474949 × 10^7
Engineering notation
2.1474949 × 10^6
Prime Factorization
331 × 64879
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21474949
Product of the distinct prime numbers
The prime factorization of 21474949 is 331 × 64879.
Since it has a total of 2 prime factors.
8 , 3 , 51 , 26 , 463 , 826 , 5456 , 3828 , 91966 , 23312 , 110668 , 634402 , 7299491 , 9113630 , 57012646 , 50271224 , 379167429 , 263904648 , 7413504112 , 848721447
n×2
42949898
n×3
64424847
n×4
85899796
n×5
107374745
n÷2
10737474.5
n÷3
7158316.3333333
n÷3
5368737.25
n÷5
4294989.8
n2
461173434552601
n3
9.9036759871719E+21
n4
2.1268093673704E+29
n5
4.5673122697002E+36
2 √n
4634.1071416185
3 √n
277.95684940045
4 √n
68.074276651453
5 √n
29.267553993429
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21474948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21474949 can be divided by 4 positive divisors.
The sum of these divisors (counting 21474949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111010111010000101
3
Ternary
1111102001002111
4
Quaternary
1101322322011
5
Quinary
20444144244
6
Senary
2044141021
8
Octal
121727205
10
Decimal
21474949
12
Duodecimal
7237771
16
Hexadecimal
147ae85
20
Vigesimal
6e4779
36
Base36
csa6d
md5
16899d56c06f7a92b93c461c4d8dc08b
sha1
2d3375537d6547596fe0b0c848c8836093e4b0dc
sha256
6049f89fbdd87f9e3fc950556aa3581461561e0aa51b1da8d498bc9629285a20
sha512
fe2c0c176574844ea6412084c6ccb4b51f9112cf9cff0bbbaa31fc10ee3112a27e5658d75b8895b844c53d8f7111de7bc9223e49d3bcdf1dfa4671f42756be13
ripemd-160
9c20445e91283d89c379b3f5e891682164dc2a5f
Diameter
42949898
Circumference
134931084.02923
Area
1.4488190740212E+15
Volume
4.1484420966444E+22
Surface area
5.7952762960849E+15
Circumference
134931084.02923
Perimeter
85899796
Area
461173434552601
Diagonal
30370164.127071
Surface area
2767040607315606
Volume
9.9036759871719E+21
Space diagonal
37195702.75795
Perimeter
64424847
Area
1.9969395493654E+14
Altitude
18597851.378975
Surface area
1.9969395493654E+14
Volume
1.1671594082006E+21
Height
10123388.042357