21493025 is an odd 8-digits composite number following 21493024
and preceding 21493026 . In scientific notation, it is written as 2.1493025 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 16957440 positive integers (up to 21493025) that are relatively prime to 21493025.
21493025 has 12 divisors, whose sum is 27018732
The reverse of 21493025 is 52039412
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred ninety-three thousand twenty-five
Scientific notation
2.1493025 × 10^7
Engineering notation
2.1493025 × 10^6
Prime Factorization
5 × 5 × 73 × 11777
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4298605
Product of the distinct prime numbers
The prime factorization of 21493025 is 5 × 5 × 73 × 11777.
Since it has a total of 4 prime factors.
10 , 2 , 32 , 11 , 96 , 900 , 2796 , 4337 , 85881 , 26117 , 36598 , 73410 , 2975671 , 9765097 , 22563727 , 96684858 , 460296438 , 827037971 , 1958358685 , 816291182
n×2
42986050
n×3
64479075
n×4
85972100
n×5
107465125
n÷2
10746512.5
n÷3
7164341.6666667
n÷3
5373256.25
n÷5
4298605
n2
461950123650625
n3
9.928705556376E+21
n4
2.1339791674083E+29
n5
4.5865667594585E+36
2 √n
4636.0570531433
3 √n
278.03481526605
4 √n
68.088597086027
5 √n
29.272479381362
1 , 5 , 25 , 73 , 365 , 1825 , 11777 , 58885 , 294425 , 859721 , 4298605 , 21493025
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21493024
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493025 can be divided by 12 positive divisors.
The sum of these divisors (counting 21493025) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111111010100100001
3
Ternary
1111102221212222
4
Quaternary
1101333110201
5
Quinary
21000234100
6
Senary
2044400425
8
Octal
121772441
10
Decimal
21493025
12
Duodecimal
7246115
16
Hexadecimal
147f521
20
Vigesimal
6e6cb5
36
Base36
cso4h
md5
d173f3e4b0c286f5c7bb855c76a596dd
sha1
e649d30069beae4e8cc2e725dbf69510c7363652
sha256
5d69b162c9c2c06be783f55f7e05c5d2361cc29146cad3c9d5989ccc430893ee
sha512
9d0517915e0dc318648ae559f2745c5ac1a46451760c420ff34743b20b306d1f23b9741ccc0f57e4c5e67a32d5fc0e86da0c40997c5a0b6e83d69c1a3dcdd08c
ripemd-160
181a373dc9ed7134a4ea8c08f3ee30848a773402
Diameter
42986050
Circumference
135044658.88684
Area
1.4512591147857E+15
Volume
4.1589264580756E+22
Surface area
5.8050364591428E+15
Circumference
135044658.88684
Perimeter
85972100
Area
461950123650625
Diagonal
30395727.451424
Surface area
2771700741903750
Volume
9.928705556376E+21
Space diagonal
37227011.308348
Perimeter
64479075
Area
2.000302711814E+14
Altitude
18613505.654174
Surface area
2.000302711814E+14
Volume
1.1701091712197E+21
Height
10131909.150475