21452015 is an odd 8-digits composite number following 21452014
and preceding 21452016 . In scientific notation, it is written as 2.1452015 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 15510144 positive integers (up to 21452015) that are relatively prime to 21452015.
21452015 has 16 divisors, whose sum is 23950080
The reverse of 21452015 is 51025412
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million four hundred fifty-two thousand fifteen
Scientific notation
2.1452015 × 10^7
Engineering notation
2.1452015 × 10^6
Prime Factorization
65 × 13 × 53 × 479
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21452015
Product of the distinct prime numbers
The prime factorization of 21452015 is 65 × 13 × 53 × 479.
Since it has a total of 4 prime factors.
8 , 8 , 45 , 96 , 741 , 988 , 5563 , 8000 , 57929 , 16328 , 649923 , 366970 , 4526096 , 6767720 , 2692778 , 49141695 , 232952492 , 653136158 , 7864786308 , 9426595149
n×2
42904030
n×3
64356045
n×4
85808060
n×5
107260075
n÷2
10726007.5
n÷3
7150671.6666667
n÷3
5363003.75
n÷5
4290403
n2
460188947560225
n3
9.8719802058962E+21
n4
2.1177386745659E+29
n5
4.5429761812867E+36
2 √n
4631.6320017894
3 √n
277.85786689161
4 √n
68.056094523484
5 √n
29.261300111312
1 , 13 , 53 , 65 , 479 , 689 , 845 , 3445 , 6227 , 25387 , 31135 , 44785 , 330031 , 404755 , 1650155 , 21452015
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
-21452014
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 21452015 can be divided by 16 positive divisors.
The sum of these divisors (counting 21452015) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110101010011101111
3
Ternary
1111100212122002
4
Quaternary
1101311103233
5
Quinary
20442431030
6
Senary
2043442515
8
Octal
121652357
10
Decimal
21452015
12
Duodecimal
722643b
16
Hexadecimal
14754ef
20
Vigesimal
6e1a0f
36
Base36
crshb
md5
9310cafb5b3b58de42f4812aa347145d
sha1
89b01ac221604f75459c0ffda069f4a91cc1c296
sha256
47de75bfe73d099884b0e2f506ce734f9d89fb8117ee83e2c16e2186a4bd83ed
sha512
44b2b0f75bedcbb05857828a04458bc0b45ff84202bcda2d43d6b252d3dacbf216539f3746944c917c921d34fc9ef64b6d864e95e21cbc2293a6f2893b2f5955
ripemd-160
ea73eb4f54047f4e0b3505b0535c3e55cdb03d3b
Diameter
42904030
Circumference
134786985.4574
Area
1.4457262169184E+15
Volume
4.1351653988303E+22
Surface area
5.7829048676737E+15
Circumference
134786985.4574
Perimeter
85808060
Area
460188947560225
Diagonal
30337730.553231
Surface area
2761133685361350
Volume
9.8719802058962E+21
Space diagonal
37155979.90473
Perimeter
64356045
Area
1.9926765956399E+14
Altitude
18577989.952365
Surface area
1.9926765956399E+14
Volume
1.1634240245548E+21
Height
10112576.851077