21494856 is an even 8-digits composite number following 21494855
and preceding 21494857 . In scientific notation, it is written as 2.1494856 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors.
There are 7131840 positive integers (up to 21494856) that are relatively prime to 21494856.
21494856 has 32 divisors, whose sum is 53985600
The reverse of 21494856 is 65849412
Previous prime number is 229
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million four hundred ninety-four thousand eight hundred fifty-six
Scientific notation
2.1494856 × 10^7
Engineering notation
2.1494856 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 229 × 3911
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5373714
Product of the distinct prime numbers
The prime factorization of 21494856 is 2 × 2 × 2 × 3 × 229 × 3911.
Since it has a total of 6 prime factors.
7 , 3 , 36 , 15 , 678 , 929 , 4220 , 3903 , 14662 , 43777 , 439318 , 983532 , 3039634 , 9142496 , 58394415 , 10348703 , 903028408 , 863854764 , 8666892580 , 9016294096
n×2
42989712
n×3
64484568
n×4
85979424
n×5
107474280
n÷2
10747428
n÷3
7164952
n÷3
5373714
n÷5
4298971.2
n2
462028834460736
n3
9.9312432645814E+21
n4
2.1347064387315E+29
n5
4.5885207502806E+36
2 √n
4636.2545227802
3 √n
278.0427103435
4 √n
68.090047163886
5 √n
29.272978111378
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 229 , 458 , 687 , 916 , 1374 , 1832 , 2748 , 3911 , 5496 , 7822 , 11733 , 15644 , 23466 , 31288 , 46932 , 93864 , 895619 , 1791238 , 2686857 , 3582476 , 5373714 , 7164952 , 10747428 , 21494856
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494855
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494856 can be divided by 32 positive divisors.
The sum of these divisors (counting 21494856) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111110001001000
3
Ternary
1111110001101210
4
Quaternary
1101333301020
5
Quinary
21000313411
6
Senary
2044413120
8
Octal
121776110
10
Decimal
21494856
12
Duodecimal
72471a0
16
Hexadecimal
147fc48
20
Vigesimal
6e6h2g
36
Base36
cspjc
md5
6cdbc7f21d37d3dde81bfc9802dc5abc
sha1
bd69eb5b48030372edd08590f397d9b933f5d52d
sha256
ec1e49f55ea80d667d01fbe69367c3d3c7cc076d3a885fe960cf9b14d4304617
sha512
e35c65e580c148a929bb14d4b630176ab085d9199ca452cf6f43fbd77c2d86dee3a7f00747ec0b99adc29da59006b67b6e6b118ddfd4ff13fd838046317364db
ripemd-160
7be066c491101cee52eef291e4a43393b52fd0f6
Diameter
42989712
Circumference
135056163.39914
Area
1.4515063920885E+15
Volume
4.1599894508029E+22
Surface area
5.806025568354E+15
Circumference
135056163.39914
Perimeter
85979424
Area
462028834460736
Diagonal
30398316.876457
Surface area
2772173006764416
Volume
9.9312432645814E+21
Space diagonal
37230182.693377
Perimeter
64484568
Area
2.0006435396196E+14
Altitude
18615091.346688
Surface area
2.0006435396196E+14
Volume
1.1704082429998E+21
Height
10132772.292152