21474893 is an odd 8-digits composite number following 21474892
and preceding 21474894 . In scientific notation, it is written as 2.1474893 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 17571840 positive integers (up to 21474893) that are relatively prime to 21474893.
21474893 has 8 divisors, whose sum is 22832568
The reverse of 21474893 is 39847412
Previous prime number is 253
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred seventy-four thousand eight hundred ninety-three
Scientific notation
2.1474893 × 10^7
Engineering notation
2.1474893 × 10^6
Prime Factorization
17 × 253 × 4993
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21474893
Product of the distinct prime numbers
The prime factorization of 21474893 is 17 × 253 × 4993.
Since it has a total of 3 prime factors.
6 , 10 , 87 , 9 , 347 , 562 , 3475 , 3063 , 27696 , 29178 , 49679 , 171078 , 6244550 , 1851222 , 46374074 , 86165389 , 904961820 , 762412993 , 8517213905 , 9500484736
n×2
42949786
n×3
64424679
n×4
85899572
n×5
107374465
n÷2
10737446.5
n÷3
7158297.6666667
n÷3
5368723.25
n÷5
4294978.6
n2
461171029361449
n3
9.903598510237E+21
n4
2.126787183223E+29
n5
4.5672527193485E+36
2 √n
4634.1010994582
3 √n
277.95660779185
4 √n
68.074232272265
5 √n
29.267538729275
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
-21474892
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 21474893 can be divided by 8 positive divisors.
The sum of these divisors (counting 21474893) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111010111001001101
3
Ternary
1111102001000102
4
Quaternary
1101322321031
5
Quinary
20444144033
6
Senary
2044140445
8
Octal
121727115
10
Decimal
21474893
12
Duodecimal
7237725
16
Hexadecimal
147ae4d
20
Vigesimal
6e474d
36
Base36
csa4t
md5
f49af8cb0da73ad50bfa8bbbfd159dc9
sha1
c5ada7e92bc4027e455dea3e859be05c1adf68fd
sha256
c2050595305d8d5cc8c6823f28b809a5f9e884ca52cd9b998b1e761129ccea5f
sha512
f45fd13cfc58159ad995d693639477d680704df8bb997af213d9116b75fe592182bc8852133cd2ea549a4e65bde67d34bdeb73a3ad6d4dae3e9fe5b10fda6b73
ripemd-160
9faafde4e99b0719432f0a656537d2e745e779ef
Diameter
42949786
Circumference
134930732.17085
Area
1.4488115178904E+15
Volume
4.1484096431818E+22
Surface area
5.7952460715615E+15
Circumference
134930732.17085
Perimeter
85899572
Area
461171029361449
Diagonal
30370084.931111
Surface area
2767026176168694
Volume
9.903598510237E+21
Space diagonal
37195605.763105
Perimeter
64424679
Area
1.9969291345822E+14
Altitude
18597802.881553
Surface area
1.9969291345822E+14
Volume
1.1671502774563E+21
Height
10123361.643704