21471854 is an even 8-digits composite number following 21471853
and preceding 21471855 . In scientific notation, it is written as 2.1471854 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10735926 positive integers (up to 21471854) that are relatively prime to 21471854.
21471854 has 4 divisors, whose sum is 32207784
The reverse of 21471854 is 45817412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred seventy-one thousand eight hundred fifty-four
Scientific notation
2.1471854 × 10^7
Engineering notation
2.1471854 × 10^6
Prime Factorization
2 × 10735927
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21471854
Product of the distinct prime numbers
The prime factorization of 21471854 is 2 × 10735927.
Since it has a total of 2 prime factors.
1 , 5 , 43 , 46 , 242 , 608 , 6897 , 5544 , 29815 , 74071 , 500134 , 199980 , 9558855 , 3379802 , 85379937 , 40191333 , 594595777 , 802531230 , 4279924894 , 4307422834
n×2
42943708
n×3
64415562
n×4
85887416
n×5
107359270
n÷2
10735927
n÷3
7157284.6666667
n÷3
5367963.5
n÷5
4294370.8
n2
461040514197316
n3
9.8993946089297E+21
n4
2.1255835573133E+29
n5
4.5640219807431E+36
2 √n
4633.7731925505
3 √n
277.94349558092
4 √n
68.071823778642
5 √n
29.266710328543
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21471853
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21471854 can be divided by 4 positive divisors.
The sum of these divisors (counting 21471854) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111010001001101110
3
Ternary
1111101212211212
4
Quaternary
1101322021232
5
Quinary
20444044404
6
Senary
2044114422
8
Octal
121721156
10
Decimal
21471854
12
Duodecimal
7235a12
16
Hexadecimal
147a26e
20
Vigesimal
6e3jce
36
Base36
cs7se
md5
80c9c218d544c5e546f07b644f2e8a4b
sha1
2415db96351e5aa320e0e8d93844d1411bd36d74
sha256
f683921be4bc22d886b0213cb1c2f515c6b586d92df220d33bd7881348c6b91a
sha512
9ceb921b24d9392cfa15543dc8f8ef9f1ce6cd2185c94384e6ed872ea7cca7480feac2bacee04c9283df9e180dcdc0863e5f051ab022d99107ca407622039a1d
ripemd-160
524b7a2e84f8859583dfaf5c9c8f5f1b2408a3fa
Diameter
42943708
Circumference
134911637.57071
Area
1.4484014924095E+15
Volume
4.14664871712E+22
Surface area
5.7936059696382E+15
Circumference
134911637.57071
Perimeter
85887416
Area
461040514197316
Diagonal
30365787.136095
Surface area
2766243085183896
Volume
9.8993946089297E+21
Space diagonal
37190342.060701
Perimeter
64415562
Area
1.9963639873436E+14
Altitude
18595171.030351
Surface area
1.9963639873436E+14
Volume
1.166654842936E+21
Height
10121929.045365