21474985 is an odd 8-digits composite number following 21474984
and preceding 21474986 . In scientific notation, it is written as 2.1474985 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 13571712 positive integers (up to 21474985) that are relatively prime to 21474985.
21474985 has 16 divisors, whose sum is 26747136
The reverse of 21474985 is 58947412
Previous prime number is 1127
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 eighty-five
Scientific notation
2.1474985 × 10^7
Engineering notation
2.1474985 × 10^6
Prime Factorization
5 × 37 × 1127 × 103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21474985
Product of the distinct prime numbers
The prime factorization of 21474985 is 5 × 37 × 1127 × 103.
Since it has a total of 4 prime factors.
4 , 8 , 26 , 77 , 198 , 479 , 620 , 5801 , 87659 , 97499 , 108606 , 380701 , 5426249 , 2082822 , 61638759 , 70954977 , 342852417 , 490559861 , 5622755895 , 4230965981
n×2
42949970
n×3
64424955
n×4
85899940
n×5
107374925
n÷2
10737492.5
n÷3
7158328.3333333
n÷3
5368746.25
n÷5
4294997
n2
461174980750225
n3
9.9037257939864E+21
n4
2.1268236286997E+29
n5
4.5673505523972E+36
2 √n
4634.1110258603
3 √n
277.95700472005
4 √n
68.074305180885
5 √n
29.267563806084
1 , 5 , 37 , 103 , 185 , 515 , 1127 , 3811 , 5635 , 19055 , 41699 , 116081 , 208495 , 580405 , 4294997 , 21474985
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
-21474984
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 21474985 can be divided by 16 positive divisors.
The sum of these divisors (counting 21474985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111010111010101001
3
Ternary
1111102001010211
4
Quaternary
1101322322221
5
Quinary
20444144420
6
Senary
2044141121
8
Octal
121727251
10
Decimal
21474985
12
Duodecimal
72377a1
16
Hexadecimal
147aea9
20
Vigesimal
6e4795
36
Base36
csa7d
md5
5f8905a964035b27509f36ec4021555a
sha1
8c0f114f3c9c05fc4dbed70b170ee059f1dfbde3
sha256
0ecd6cad67b59901e91780ebc0ca7f432858f4fa0275f8e04826eb04c63356fd
sha512
7fd2e0741a6692b8c69606ed4ed2466e99cd9d492dd61b70fb556df50b52c664e770dbce438896f51feebd1cf01301d2659d07911824460e0cd3da4a05f08b8e
ripemd-160
a18749f70474b6ecbf56312a1200ab8372879df6
Diameter
42949970
Circumference
134931310.2239
Area
1.4488239315443E+15
Volume
4.148462959674E+22
Surface area
5.7952957261773E+15
Circumference
134931310.2239
Perimeter
85899940
Area
461174980750225
Diagonal
30370215.038759
Surface area
2767049884501350
Volume
9.9037257939864E+21
Space diagonal
37195765.11178
Perimeter
64424955
Area
1.9969462445975E+14
Altitude
18597882.55589
Surface area
1.9969462445975E+14
Volume
1.16716527799E+21
Height
10123405.01292