21492518 is an even 8-digits composite number following 21492517
and preceding 21492519 . In scientific notation, it is written as 2.1492518 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 10366440 positive integers (up to 21492518) that are relatively prime to 21492518.
21492518 has 16 divisors, whose sum is 33397056
The reverse of 21492518 is 81529412
Previous prime number is 3011
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred ninety-two thousand five hundred eighteen
Scientific notation
2.1492518 × 10^7
Engineering notation
2.1492518 × 10^6
Prime Factorization
2 × 43 × 3011 × 83
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492518
Product of the distinct prime numbers
The prime factorization of 21492518 is 2 × 43 × 3011 × 83.
Since it has a total of 4 prime factors.
5 , 5 , 13 , 25 , 351 , 610 , 9173 , 6711 , 2346 , 23977 , 568619 , 609440 , 9172419 , 7992331 , 92424874 , 67770048 , 120996812 , 466370094 , 7383446394 , 6544437148
n×2
42985036
n×3
64477554
n×4
85970072
n×5
107462590
n÷2
10746259
n÷3
7164172.6666667
n÷3
5373129.5
n÷5
4298503.6
n2
461928329980324
n3
9.9280029468121E+21
n4
2.1337778203841E+29
n5
4.5860258212606E+36
2 √n
4636.0023727345
3 √n
278.03262905665
4 √n
68.088195546178
5 √n
29.272341278075
1 , 2 , 43 , 83 , 86 , 166 , 3011 , 3569 , 6022 , 7138 , 129473 , 249913 , 258946 , 499826 , 10746259 , 21492518
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
-21492517
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 21492518 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492518) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111001100100110
3
Ternary
1111102221012012
4
Quaternary
1101333030212
5
Quinary
21000230033
6
Senary
2044354222
8
Octal
121771446
10
Decimal
21492518
12
Duodecimal
7245972
16
Hexadecimal
147f326
20
Vigesimal
6e6b5i
36
Base36
csnqe
md5
478fbf5f036e70ee68c583bc2fd68790
sha1
7770d285f2a1efea30f3d7a716f4db0fe17db294
sha256
eaa22a40e8ceffcc7a9297078a71cb4efcad8865dd3c58bcf80282aee05095ab
sha512
480341acf626b0ffdf035df4fb493b7dab68f777af5cf346c718eebc939661b269ac26a40582ffd0300fc0b3c45ba2e7fca9b219bf6ccebae5bf55d7f682666f
ripemd-160
64d8156bdd229b499798933e2a360eb04445cd9f
Diameter
42985036
Circumference
135041473.31189
Area
1.4511906479512E+15
Volume
4.1586321496697E+22
Surface area
5.8047625918048E+15
Circumference
135041473.31189
Perimeter
85970072
Area
461928329980324
Diagonal
30395010.445148
Surface area
2771569979881944
Volume
9.9280029468121E+21
Space diagonal
37226133.158589
Perimeter
64477554
Area
2.0002083424534E+14
Altitude
18613066.579294
Surface area
2.0002083424534E+14
Volume
1.1700263678885E+21
Height
10131670.148383