21295871 is an odd 8-digits prime number following 21295870
and preceding 21295872 . In scientific notation, it is written as 2.1295871 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 21295870 positive integers (up to 21295871) that are relatively prime to 21295871.
21295871 has 2 divisors, whose sum is 21295872
The reverse of 21295871 is 17859212
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 35 Digital Root 8
Name
twenty-one million two hundred ninety-five thousand eight hundred seventy-one
Scientific notation
2.1295871 × 10^7
Engineering notation
2.1295871 × 10^6
Prime Factorization
21295871
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21295871 Product of the distinct prime numbers
The prime factorization of 21295871 is 21295871.
Since it has a total of 1 prime factors.
7 , 8 , 91 , 45 , 70 , 972 , 8562 , 3933 , 41183 , 52005 , 468380 , 476537 , 4740503 , 2193738 , 95143675 , 73367262 , 419139102 , 397427118 , 1299400325 , 6288911875
n×2
42591742
n×3
63887613
n×4
85183484
n×5
106479355
n÷2
10647935.5
n÷3
7098623.6666667
n÷3
5323967.75
n÷5
4259174.2
n2
453514121648641
n3
9.6579782313078E+21
n4
2.0567505853474E+29
n5
4.3800295144732E+36
2 √n4614.7449550327
3 √n277.18207130007
4 √n67.931914112829
5 √n29.218578367687
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21295872 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10647936 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4614.7450633811 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999060851 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21295871 can be divided by 2 positive divisors.
The sum of these divisors (counting 21295871) is 21295872, the average is 10647936.
Base
System
Value
2
Binary
1010001001111001011111111
3
Ternary
1111001221102222
4
Quaternary
1101033023333
5
Quinary
20422431441
6
Senary
2040235555
8
Octal
121171377
10
Decimal
21295871
12
Duodecimal
716bbbb
16
Hexadecimal
144f2ff
20
Vigesimal
6d1jdb
36
Base36
cofzz
md5
1f4bdd8ecf95d8fd851417270507c8ca
sha1
7907d38cd8326bdd93882f150c43e80018946de8
sha256
4b7f0045ea29b84065243fdcd216f2f496ab438e66528b10e1c7ae6b0d3d5ddf
sha512
8e05ac2f9da48eb040b9e97f3c00e62f4d1530c4bf63aba47fe75227666a82b77d6681af1cc72b13d0519b0f2f57164d176ec481c00ff6e9812ba27baf4a8a42
ripemd-160
a348d186fd44c8c66f51c027cfd18d960182b41c
Diameter
42591742
Circumference
133805903.77079
Area
1.4247566328706E+15
Volume
4.0455244613342E+22
Surface area
5.6990265314824E+15
Circumference
133805903.77079
Perimeter
85183484
Area
453514121648641
Diagonal
30116909.590748
Surface area
2721084729891846
Volume
9.6579782313078E+21
Space diagonal
36885530.563433
Perimeter
63887613
Area
1.9637737516135E+14
Altitude
18442765.281716
Surface area
1.9637737516135E+14
Volume
1.138203649985E+21
Height
10038969.863583