21463868 is an even 8-digits composite number following 21463867
and preceding 21463869 . In scientific notation, it is written as 2.1463868 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 10580640 positive integers (up to 21463868) that are relatively prime to 21463868.
21463868 has 12 divisors, whose sum is 38091312
The reverse of 21463868 is 86836412
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred sixty-three thousand eight hundred sixty-eight
Scientific notation
2.1463868 × 10^7
Engineering notation
2.1463868 × 10^6
Prime Factorization
2 × 2 × 71 × 75577
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10731934
Product of the distinct prime numbers
The prime factorization of 21463868 is 2 × 2 × 71 × 75577.
Since it has a total of 4 prime factors.
8 , 4 , 84 , 71 , 947 , 506 , 6911 , 4038 , 98236 , 94483 , 404676 , 103560 , 5854808 , 4791918 , 17021297 , 32745506 , 689196651 , 111083347 , 6715488726 , 1137836863
n×2
42927736
n×3
64391604
n×4
85855472
n×5
107319340
n÷2
10731934
n÷3
7154622.6666667
n÷3
5365967
n÷5
4292773.6
n2
460697629521424
n3
9.8883531079607E+21
n4
2.1224230584666E+29
n5
4.5555408367083E+36
2 √n
4632.9113956561
3 √n
277.90903291494
4 √n
68.065493428433
5 √n
29.264532978344
1 , 2 , 4 , 71 , 142 , 284 , 75577 , 151154 , 302308 , 5365967 , 10731934 , 21463868
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21463867
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21463868 can be divided by 12 positive divisors.
The sum of these divisors (counting 21463868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111000001100111100
3
Ternary
1111101110220002
4
Quaternary
1101320030330
5
Quinary
20443320433
6
Senary
2044013432
8
Octal
121701474
10
Decimal
21463868
12
Duodecimal
7231278
16
Hexadecimal
147833c
20
Vigesimal
6e2jd8
36
Base36
cs1mk
md5
2dd939159f70ed1221f9cd3cc44d2805
sha1
54501525826c188859ce506719f2628cdf03f35c
sha256
eb73a380ab8fa2e3e4b10965047b3d0979bff9766d7b4ff7e7e2746dc2c2a1b8
sha512
84219bd20613382dff9982347c6292ddaf9143c117c24e6effc5d97b8a8ab787856827a4e13a9785d8e57dac903805ac5bcb79ec5fba0a789bfb0b5bc2981a97
ripemd-160
2f2b7b638988dc47898fd28d4042b7d17db697cf
Diameter
42927736
Circumference
134861460.05284
Area
1.4473242884307E+15
Volume
4.1420236640095E+22
Surface area
5.789297153723E+15
Circumference
134861460.05284
Perimeter
85855472
Area
460697629521424
Diagonal
30354493.226586
Surface area
2764185777128544
Volume
9.8883531079607E+21
Space diagonal
37176509.902952
Perimeter
64391604
Area
1.9948792531441E+14
Altitude
18588254.951476
Surface area
1.9948792531441E+14
Volume
1.1653535895677E+21
Height
10118164.408862