21032391 is an odd 8-digits composite number following 21032390
and preceding 21032392 . In scientific notation, it is written as 2.1032391 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 13483008 positive integers (up to 21032391) that are relatively prime to 21032391.
21032391 has 16 divisors, whose sum is 29138400
The reverse of 21032391 is 19323012
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million thirty-two thousand three hundred ninety-one
Scientific notation
2.1032391 × 10^7
Engineering notation
2.1032391 × 10^6
Prime Factorization
3 × 37 × 89 × 2129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21032391
Product of the distinct prime numbers
The prime factorization of 21032391 is 3 × 37 × 89 × 2129.
Since it has a total of 4 prime factors.
7 , 6 , 11 , 14 , 987 , 634 , 896 , 9485 , 88774 , 62803 , 549617 , 425270 , 8231882 , 6391824 , 94649612 , 39712734 , 274632050 , 953230509 , 1626547270 , 793673772
n×2
42064782
n×3
63097173
n×4
84129564
n×5
105161955
n÷2
10516195.5
n÷3
7010797
n÷3
5258097.75
n÷5
4206478.2
n2
442361471176881
n3
9.3039194251274E+21
n4
1.9568367118177E+29
n5
4.1156954846105E+36
2 √n
4586.1084810545
3 √n
276.03419288621
4 √n
67.720812761325
5 √n
29.145917373425
1 , 3 , 37 , 89 , 111 , 267 , 2129 , 3293 , 6387 , 9879 , 78773 , 189481 , 236319 , 568443 , 7010797 , 21032391
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
-21032390
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 21032391 can be divided by 16 positive divisors.
The sum of these divisors (counting 21032391) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110110111000111
3
Ternary
1110120120000110
4
Quaternary
1100032313013
5
Quinary
20341014031
6
Senary
2030444103
8
Octal
120166707
10
Decimal
21032391
12
Duodecimal
7063633
16
Hexadecimal
140edc7
20
Vigesimal
6b90jb
36
Base36
cisp3
md5
db6ca7db21122dac5f15dd3231b7876e
sha1
d13c4407a4354aad03a5af3bd393a09be5790177
sha256
8a1f11bab78ce3fb0e9fb4daf611e5b18620da1fcefe4f1b9551a82d59d402d4
sha512
f3715f5f8d27cbcb8ff2cd779cb79b265789f71527f44299777e343fa32bca79d1a878e9d9352b0cf5f50f0a57c5ef22a582a24fb3ee3c2e8a14b0708f27b705
ripemd-160
949ae6c1fdb4169191df1a0e432e1f830592f5a8
Diameter
42064782
Circumference
132150410.10606
Area
1.3897195480805E+15
Volume
3.8972166554095E+22
Surface area
5.5588781923218E+15
Circumference
132150410.10606
Perimeter
84129564
Area
442361471176881
Diagonal
29744292.601334
Surface area
2654168827061286
Volume
9.3039194251274E+21
Space diagonal
36429169.816654
Perimeter
63097173
Area
1.9154813584732E+14
Altitude
18214584.908327
Surface area
1.9154813584732E+14
Volume
1.0964774195201E+21
Height
9914764.2004446