21494858 is an even 8-digits composite number following 21494857
and preceding 21494859 . In scientific notation, it is written as 2.1494858 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 8084160 positive integers (up to 21494858) that are relatively prime to 21494858.
21494858 has 16 divisors, whose sum is 33794280
The reverse of 21494858 is 85849412
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million four hundred ninety-four thousand eight hundred fifty-eight
Scientific notation
2.1494858 × 10^7
Engineering notation
2.1494858 × 10^6
Prime Factorization
2 × 77 × 29 × 4813
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21494858
Product of the distinct prime numbers
The prime factorization of 21494858 is 2 × 77 × 29 × 4813.
Since it has a total of 4 prime factors.
7 , 2 , 56 , 69 , 339 , 92 , 9364 , 6909 , 57015 , 4491 , 919142 , 888490 , 11850 , 7217395 , 40119163 , 330288 , 647305731 , 482716399 , 3148805949 , 3804466060
n×2
42989716
n×3
64484574
n×4
85979432
n×5
107474290
n÷2
10747429
n÷3
7164952.6666667
n÷3
5373714.5
n÷5
4298971.6
n2
462028920440164
n3
9.9312460367546E+21
n4
2.134707233231E+29
n5
4.5885228849874E+36
2 √n
4636.2547384716
3 √n
278.04271896704
4 √n
68.090048747754
5 √n
29.272978656121
1 , 2 , 29 , 58 , 77 , 154 , 2233 , 4466 , 4813 , 9626 , 139577 , 279154 , 370601 , 741202 , 10747429 , 21494858
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
-21494857
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 21494858 can be divided by 16 positive divisors.
The sum of these divisors (counting 21494858) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111110001001010
3
Ternary
1111110001101212
4
Quaternary
1101333301022
5
Quinary
21000313413
6
Senary
2044413122
8
Octal
121776112
10
Decimal
21494858
12
Duodecimal
72471a2
16
Hexadecimal
147fc4a
20
Vigesimal
6e6h2i
36
Base36
cspje
md5
001f7c19e8aa3eb7a3d00d05653090d4
sha1
b78ab3a092a089be3573d0cf0ef3af49ee99cb3f
sha256
b823ad0185c9a59c8f2f0d1a28393856c6ab62fd71720175398a4652279dd737
sha512
f0fdddcd40a7fff0a61295bb701e32603c475088765b3e6b1de4691aa9be1bae34807413de46f6acaccd9ef7e7b906cda8716183132c46e7b4a462cd035d0d1b
ripemd-160
7b62621287847633519e1d5735bd0aef350a884c
Diameter
42989716
Circumference
135056175.96551
Area
1.4515066622008E+15
Volume
4.1599906120081E+22
Surface area
5.8060266488034E+15
Circumference
135056175.96551
Perimeter
85979432
Area
462028920440164
Diagonal
30398319.704884
Surface area
2772173522640984
Volume
9.9312460367546E+21
Space diagonal
37230186.157478
Perimeter
64484574
Area
2.0006439119214E+14
Altitude
18615093.078739
Surface area
2.0006439119214E+14
Volume
1.1704085697035E+21
Height
10132773.234961