21931569 is an odd 8-digits composite number following 21931568
and preceding 21931570 . In scientific notation, it is written as 2.1931569 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 12831840 positive integers (up to 21931569) that are relatively prime to 21931569.
21931569 has 16 divisors, whose sum is 27504000
The reverse of 21931569 is 96513912
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million nine hundred thirty-one thousand five hundred sixty-nine
Scientific notation
2.1931569 × 10^7
Engineering notation
2.1931569 × 10^6
Prime Factorization
9 × 11 × 29 × 7639
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21931569
Product of the distinct prime numbers
The prime factorization of 21931569 is 9 × 11 × 29 × 7639.
Since it has a total of 4 prime factors.
2 , 2 , 72 , 40 , 111 , 401 , 2693 , 5587 , 64992 , 3561 , 229208 , 13860 , 1350673 , 4628324 , 67646583 , 74538533 , 576600228 , 269743701 , 2331062126 , 2973189415
n×2
43863138
n×3
65794707
n×4
87726276
n×5
109657845
n÷2
10965784.5
n÷3
7310523
n÷3
5482892.25
n÷5
4386313.8
n2
480993718801761
n3
1.0548946932467E+22
n4
2.3135495752675E+29
n5
5.0739772144899E+36
2 √n
4683.1153092786
3 √n
279.91310654021
4 √n
68.433290942922
5 √n
29.3909714232
1 , 9 , 11 , 29 , 99 , 261 , 319 , 2871 , 7639 , 68751 , 84029 , 221531 , 756261 , 1993779 , 2436841 , 21931569
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
-21931568
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 21931569 can be divided by 16 positive divisors.
The sum of these divisors (counting 21931569) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011101010011000110001
3
Ternary
1112021020110100
4
Quaternary
1103222120301
5
Quinary
21103302234
6
Senary
2102023013
8
Octal
123523061
10
Decimal
21931569
12
Duodecimal
7417a69
16
Hexadecimal
14ea631
20
Vigesimal
6h18i9
36
Base36
d22i9
md5
2c3738b428aaf9b300791bf2d60bc987
sha1
45fb9e3d6fea17f8a638127357793a1da964d79a
sha256
f3853ba2da714d273bece92e47942f2220bb266595e2a4b22e677fa8958f5669
sha512
fcdd85da44b81bf154c11175c720028a7676666bf8952b3e0e583935017df922deb5f345c340225813561da1df356a83afd7b177e2b06c9f3019afa98e6ee748
ripemd-160
86cb72f8a1dcceb3aae7e0cd89d3a552db77cc26
Diameter
43863138
Circumference
137800112.1042
Area
1.5110863334104E+15
Volume
4.4187325581531E+22
Surface area
6.0443453336418E+15
Circumference
137800112.1042
Perimeter
87726276
Area
480993718801761
Diagonal
31015922.323921
Surface area
2885962312810566
Volume
1.0548946932467E+22
Space diagonal
37986591.797703
Perimeter
65794707
Area
2.0827638977154E+14
Altitude
18993295.898851
Surface area
2.0827638977154E+14
Volume
1.2432053183875E+21
Height
10338640.77464