21931469 is an odd 8-digits composite number following 21931468
and preceding 21931470 . In scientific notation, it is written as 2.1931469 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 18021696 positive integers (up to 21931469) that are relatively prime to 21931469.
21931469 has 24 divisors, whose sum is 26593920
The reverse of 21931469 is 96413912
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million nine hundred thirty-one thousand four hundred sixty-nine
Scientific notation
2.1931469 × 10^7
Engineering notation
2.1931469 × 10^6
Prime Factorization
7 × 7 × 47 × 107 × 89
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3133067
Product of the distinct prime numbers
The prime factorization of 21931469 is 7 × 7 × 47 × 107 × 89.
Since it has a total of 5 prime factors.
5 , 7 , 28 , 22 , 491 , 238 , 9619 , 6551 , 95268 , 23837 , 242644 , 549677 , 6579043 , 6345675 , 63630704 , 92272367 , 337742569 , 682403966 , 5587110167 , 3484928945
n×2
43862938
n×3
65794407
n×4
87725876
n×5
109657345
n÷2
10965734.5
n÷3
7310489.6666667
n÷3
5482867.25
n÷5
4386293.8
n2
480989332497961
n3
1.054880263501E+22
n4
2.3135073797683E+29
n5
5.0738615380661E+36
2 √n
4683.1046326129
3 √n
279.91268110549
4 √n
68.433212935042
5 √n
29.390944620717
1 , 7 , 47 , 49 , 89 , 107 , 329 , 623 , 749 , 2303 , 4183 , 4361 , 5029 , 5243 , 9523 , 29281 , 35203 , 66661 , 204967 , 246421 , 447581 , 466627 , 3133067 , 21931469
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21931468
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21931469 can be divided by 24 positive divisors.
The sum of these divisors (counting 21931469) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011101010010111001101
3
Ternary
1112021020022122
4
Quaternary
1103222113031
5
Quinary
21103301334
6
Senary
2102022325
8
Octal
123522715
10
Decimal
21931469
12
Duodecimal
74179a5
16
Hexadecimal
14ea5cd
20
Vigesimal
6h18d9
36
Base36
d22fh
md5
7b3eddd315b7fb4a15ca9a2bf8aee1a7
sha1
9083ec15675fc3239cea046db29823ade2ffa1f1
sha256
5bff0df2ac18b8d5b06ccc0148c6bb7adaad89561289ff9b73d87b72c0fc5635
sha512
2d7a39f48e1e3c995bd0189b44d166b909d9c99bd000eee85a147fc230bcb6bc9d91c19bd62c22ea9895ba93789794f2b43eee07c3a68705cf43963be64fe3cb
ripemd-160
1e76afe43fa5a46b2c16b624edd6716b77b024c1
Diameter
43862938
Circumference
137799483.78566
Area
1.5110725534307E+15
Volume
4.4186721149754E+22
Surface area
6.0442902137226E+15
Circumference
137799483.78566
Perimeter
87725876
Area
480989332497961
Diagonal
31015780.902565
Surface area
2885935994987766
Volume
1.054880263501E+22
Space diagonal
37986418.592622
Perimeter
65794407
Area
2.0827449044628E+14
Altitude
18993209.296311
Surface area
2.0827449044628E+14
Volume
1.243188312769E+21
Height
10338593.634188