20991624 is an even 8-digits composite number following 20991623
and preceding 20991625 . In scientific notation, it is written as 2.0991624 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 16 positive divisors.
There are 6997200 positive integers (up to 20991624) that are relatively prime to 20991624.
20991624 has 16 divisors, whose sum is 52479120
The reverse of 20991624 is 42619902
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million nine hundred ninety-one thousand six hundred twenty-four
Scientific notation
2.0991624 × 10^7
Engineering notation
2.0991624 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 874651
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5247906
Product of the distinct prime numbers
The prime factorization of 20991624 is 2 × 2 × 2 × 3 × 874651.
Since it has a total of 5 prime factors.
3 , 2 , 84 , 96 , 824 , 450 , 7325 , 4452 , 56836 , 93474 , 508026 , 338192 , 9790134 , 348679 , 85904279 , 46288464 , 28947390 , 761191193 , 1530832403 , 8300730097
n×2
41983248
n×3
62974872
n×4
83966496
n×5
104958120
n÷2
10495812
n÷3
6997208
n÷3
5247906
n÷5
4198324.8
n2
440648278157376
n3
9.249922971327E+21
n4
1.9417090504306E+29
n5
4.0759626304036E+36
2 √n
4581.6617072848
3 √n
275.85573220645
4 √n
67.687973136184
5 √n
29.134609919952
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 874651 , 1749302 , 2623953 , 3498604 , 5247906 , 6997208 , 10495812 , 20991624
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
-20991623
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 20991624 can be divided by 16 positive divisors.
The sum of these divisors (counting 20991624) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000100111010001000
3
Ternary
1110111111002120
4
Quaternary
1100010322020
5
Quinary
20333212444
6
Senary
2025531240
8
Octal
120047210
10
Decimal
20991624
12
Duodecimal
7043b20
16
Hexadecimal
1404e88
20
Vigesimal
6b3j14
36
Base36
chx8o
md5
7795c47cab36d9cefb56fa785f40a044
sha1
9a23dfd20975fad9b5751d712649f6f3588c8c89
sha256
a3976bfa6880c0f57edee50a9888ca3060a619ad19097db4843ee79887502c82
sha512
72bc9a7bf1ab8c62c983fbac271e278e16ddc668bcc1a7268dba172e420454831f17be0ceec7e754d117f53c50545a6c52edd0346f50fc2da08de7942c30e0c0
ripemd-160
b31b58e73392d534f2b3417d5efbd774431720ba
Diameter
41983248
Circumference
131894263.49064
Area
1.3843373934762E+15
Volume
3.8745986737323E+22
Surface area
5.5373495739048E+15
Circumference
131894263.49064
Perimeter
83966496
Area
440648278157376
Diagonal
29686639.357037
Surface area
2643889668944256
Volume
9.249922971327E+21
Space diagonal
36358559.301382
Perimeter
62974872
Area
1.9080630150908E+14
Altitude
18179279.650691
Surface area
1.9080630150908E+14
Volume
1.0901138764131E+21
Height
9895546.4523455