21291259 is an odd 8-digits composite number following 21291258
and preceding 21291260 . In scientific notation, it is written as 2.1291259 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 17766400 positive integers (up to 21291259) that are relatively prime to 21291259.
21291259 has 16 divisors, whose sum is 25202016
The reverse of 21291259 is 95219212
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million two hundred ninety-one thousand two hundred fifty-nine
Scientific notation
2.1291259 × 10^7
Engineering notation
2.1291259 × 10^6
Prime Factorization
17 × 11 × 41 × 2777
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21291259
Product of the distinct prime numbers
The prime factorization of 21291259 is 17 × 11 × 41 × 2777.
Since it has a total of 4 prime factors.
3 , 1 , 38 , 48 , 725 , 353 , 2780 , 6748 , 72193 , 9560 , 554652 , 455184 , 6858364 , 9157056 , 55926273 , 91907321 , 640425237 , 613610027 , 3779050712 , 9629102583
n×2
42582518
n×3
63873777
n×4
85165036
n×5
106456295
n÷2
10645629.5
n÷3
7097086.3333333
n÷3
5322814.75
n÷5
4258251.8
n2
453317709805081
n3
9.6517047687468E+21
n4
2.0549694602292E+29
n5
4.3752887014831E+36
2 √n
4614.2452253863
3 √n
277.16206028466
4 √n
67.928235847741
5 √n
29.217312697375
1 , 11 , 17 , 41 , 187 , 451 , 697 , 2777 , 7667 , 30547 , 47209 , 113857 , 519299 , 1252427 , 1935569 , 21291259
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
-21291258
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 21291259 can be divided by 16 positive divisors.
The sum of these divisors (counting 21291259) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001110000011111011
3
Ternary
1111001201010011
4
Quaternary
1101032003323
5
Quinary
20422310014
6
Senary
2040202351
8
Octal
121160373
10
Decimal
21291259
12
Duodecimal
71693b7
16
Hexadecimal
144e0fb
20
Vigesimal
6d182j
36
Base36
cocfv
md5
fc781e5561a3dbe6b630bedeb33ad632
sha1
1001a368a4160437fa3d5733fea88e29f2e713a2
sha256
977b18995b5b1c1b6fa5b0e45b1f53c9d2317c49aaf6ae6db757dcb070d4dbf2
sha512
985729d69f3c11eaca90856a597f6a623a64679d7c82afcf6768d45f738714046a69dd74c0d59c925943c0f1f525755ca54e0f645acf25e7917b3b4d86046922
ripemd-160
2dc55ebbf8c49037103e7c5b9ab3d10e4f29d1a0
Diameter
42582518
Circumference
133776925.72016
Area
1.4241395868658E+15
Volume
4.0428966394817E+22
Surface area
5.6965583474632E+15
Circumference
133776925.72016
Perimeter
85165036
Area
453317709805081
Diagonal
30110387.237798
Surface area
2719906258830486
Volume
9.6517047687468E+21
Space diagonal
36877542.345108
Perimeter
63873777
Area
1.9629232633829E+14
Altitude
18438771.172554
Surface area
1.9629232633829E+14
Volume
1.1374643153319E+21
Height
10036795.745933