21492479 is an odd 8-digits prime number following 21492478
and preceding 21492480 . In scientific notation, it is written as 2.1492479 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 21492478 positive integers (up to 21492479) that are relatively prime to 21492479.
21492479 has 2 divisors, whose sum is 21492480
The reverse of 21492479 is 97429412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 38 Digital Root 2
Name
twenty-one million four hundred ninety-two thousand four hundred seventy-nine
Scientific notation
2.1492479 × 10^7
Engineering notation
2.1492479 × 10^6
Prime Factorization
21492479
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21492479 Product of the distinct prime numbers
The prime factorization of 21492479 is 21492479.
Since it has a total of 1 prime factors.
10 , 5 , 26 , 18 , 966 , 459 , 7038 , 9565 , 20229 , 86268 , 686514 , 675465 , 143040 , 4609234 , 65869555 , 75175263 , 591754952 , 255370085 , 3082901065 , 2436335032
n×2
42984958
n×3
64477437
n×4
85969916
n×5
107462395
n÷2
10746239.5
n÷3
7164159.6666667
n÷3
5373119.75
n÷5
4298495.8
n2
461926653565441
n3
9.9279489012955E+21
n4
2.1337623327417E+29
n5
4.5859842127441E+36
2 √n4635.9981665225
3 √n278.03246088527
4 √n68.088164658203
5 √n29.272330654637
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21492480 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10746240 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4635.9982743741 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069442 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492479 can be divided by 2 positive divisors.
The sum of these divisors (counting 21492479) is 21492480, the average is 10746240.
Base
System
Value
2
Binary
1010001111111001011111111
3
Ternary
1111102221010202
4
Quaternary
1101333023333
5
Quinary
21000224404
6
Senary
2044354115
8
Octal
121771377
10
Decimal
21492479
12
Duodecimal
724593b
16
Hexadecimal
147f2ff
20
Vigesimal
6e6b3j
36
Base36
csnpb
md5
b2482b795ff456fbf960700864a792f6
sha1
aac6a88cf4d25befb56e2dbbd4cd4e2f26c3be7b
sha256
ad89fab92e5cfcbdd879d8604492f4a1fa21c1b0b72855d2ff2e557f230c0d2e
sha512
6c8ecb5b1081fabfaddf431ffd4e747d6fd401a8b8776ca7c5df634e65250455018eb78faf56480e0884ea1f9f6021ca24a15a5a161220d08dacf8230bfbe129
ripemd-160
a40862a272430485e42501502cc97cf5f1ef2401
Diameter
42984958
Circumference
135041228.26767
Area
1.4511853813385E+15
Volume
4.1586095111366E+22
Surface area
5.804741525354E+15
Circumference
135041228.26767
Perimeter
85969916
Area
461926653565441
Diagonal
30394955.290819
Surface area
2771559921392646
Volume
9.9279489012955E+21
Space diagonal
37226065.608607
Perimeter
64477437
Area
2.000201083364E+14
Altitude
18613032.804304
Surface area
2.000201083364E+14
Volume
1.1700199985633E+21
Height
10131651.763606