21491627 is an odd 8-digits prime number following 21491626
and preceding 21491628 . In scientific notation, it is written as 2.1491627 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 21491626 positive integers (up to 21491627) that are relatively prime to 21491627.
21491627 has 2 divisors, whose sum is 21491628
The reverse of 21491627 is 72619412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 32 Digital Root 5
Name
twenty-one million four hundred ninety-one thousand six hundred twenty-seven
Scientific notation
2.1491627 × 10^7
Engineering notation
2.1491627 × 10^6
Prime Factorization
21491627
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21491627 Product of the distinct prime numbers
The prime factorization of 21491627 is 21491627.
Since it has a total of 1 prime factors.
3 , 7 , 30 , 83 , 177 , 140 , 142 , 4748 , 46855 , 28504 , 602777 , 952198 , 2104791 , 1735833 , 1335408 , 54318860 , 685918270 , 890755753 , 1877103042 , 4933391954
n×2
42983254
n×3
64474881
n×4
85966508
n×5
107458135
n÷2
10745813.5
n÷3
7163875.6666667
n÷3
5372906.75
n÷5
4298325.4
n2
461890031107129
n3
9.9267682635728E+21
n4
2.1334240083614E+29
n5
4.5850753020549E+36
2 √n4635.9062760155
3 √n278.02878693671
4 √n68.087489864259
5 √n29.272098569532
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21491628 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10745814 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4635.9063838693 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069405 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21491627 can be divided by 2 positive divisors.
The sum of these divisors (counting 21491627) is 21491628, the average is 10745814.
Base
System
Value
2
Binary
1010001111110111110101011
3
Ternary
1111102212222012
4
Quaternary
1101332332223
5
Quinary
21000213002
6
Senary
2044350135
8
Octal
121767653
10
Decimal
21491627
12
Duodecimal
724534b
16
Hexadecimal
147efab
20
Vigesimal
6e6917
36
Base36
csn1n
md5
db04472393cf9258f96fd40959b64584
sha1
deb7afb97c59559484053a72eb0ab57b7bcd8f6e
sha256
ae20ea291f42121bc6f52c5acb43f160d2de66b9733e060aa9585abb5cbe22b9
sha512
9bc0375854e0cb7b1bc86127de322dbe96b641028fcb0d8afbaec54f4ff9f93abd30fed1ad380f150c1bf02d5ed2e0f31d3283cd8f114e8ef14504e95db5efe1
ripemd-160
e9812a3f2201ffc32cc04ef1b8e39faf64ba9e09
Diameter
42983254
Circumference
135035874.99378
Area
1.4510703284925E+15
Volume
4.1581149667638E+22
Surface area
5.8042813139701E+15
Circumference
135035874.99378
Perimeter
85966508
Area
461890031107129
Diagonal
30393750.380864
Surface area
2771340186642774
Volume
9.9267682635728E+21
Space diagonal
37224589.901319
Perimeter
64474881
Area
2.0000425034678E+14
Altitude
18612294.95066
Surface area
2.0000425034678E+14
Volume
1.1698808590733E+21
Height
10131250.126955