21273487 is an odd 8-digits prime number following 21273486
and preceding 21273488 . In scientific notation, it is written as 2.1273487 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 21273486 positive integers (up to 21273487) that are relatively prime to 21273487.
21273487 has 2 divisors, whose sum is 21273488
The reverse of 21273487 is 78437212
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million two hundred seventy-three thousand four hundred eighty-seven
Scientific notation
2.1273487 × 10^7
Engineering notation
2.1273487 × 10^6
Prime Factorization
21273487
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21273487
Product of the distinct prime numbers
The prime factorization of 21273487 is 21273487.
Since it has a total of 1 prime factors.
1 , 3 , 11 , 74 , 566 , 159 , 4660 , 1203 , 6014 , 16987 , 434626 , 849766 , 6671482 , 7929732 , 27372396 , 98224527 , 291805911 , 481747024 , 3046758027 , 3166602274
n×2
42546974
n×3
63820461
n×4
85093948
n×5
106367435
n÷2
10636743.5
n÷3
7091162.3333333
n÷3
5318371.75
n÷5
4254697.4
n2
452561249139169
n3
9.6275558502659E+21
n4
2.0481168422241E+29
n5
4.3570587017534E+36
2 √n
4612.3190479411
3 √n
277.0849222866
4 √n
67.914056335497
5 √n
29.212433478751
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21273488
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10636744
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4612.3191563464
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999059863
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21273487 can be divided by 2 positive divisors.
The sum of these divisors (counting 21273487) is 21273488, the average is 10636744.
Base
System
Value
2
Binary
1010001001001101110001111
3
Ternary
1111000210201221
4
Quaternary
1101021232033
5
Quinary
20421222422
6
Senary
2035544211
8
Octal
121115617
10
Decimal
21273487
12
Duodecimal
715b067
16
Hexadecimal
1449b8f
20
Vigesimal
6cj3e7
36
Base36
cnyq7
md5
0cb036a3c41325dee1e7c9341390427d
sha1
42b1de15f9588e5d8fb020c7c614d79f4d421b11
sha256
35c16252f692fc51ce699041085ccba122ee5e1a922d88cbce8d99d0d31cc2a9
sha512
f5a1e13446d680435c07a45e3d280604d0451c09c0bad086966eb04ed695c47cf59cfb8c657f874f22cbe36464042744061d805971555c225db4df4dd3766dce
ripemd-160
fab0d4ed751a3dd75488a50698858aead0a05be8
Diameter
42546974
Circumference
133665260.95088
Area
1.421763095595E+15
Volume
4.0327811641628E+22
Surface area
5.6870523823801E+15
Circumference
133665260.95088
Perimeter
85093948
Area
452561249139169
Diagonal
30085253.834368
Surface area
2715367494835014
Volume
9.6275558502659E+21
Space diagonal
36846760.338156
Perimeter
63820461
Area
1.9596476926147E+14
Altitude
18423380.169078
Surface area
1.9596476926147E+14
Volume
1.1346183379959E+21
Height
10028417.944789