21294881 is an odd 8-digits prime number following 21294880
and preceding 21294882 . In scientific notation, it is written as 2.1294881 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 21294880 positive integers (up to 21294881) that are relatively prime to 21294881.
21294881 has 2 divisors, whose sum is 21294882
The reverse of 21294881 is 18849212
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 35 Digital Root 8
Name
twenty-one million two hundred ninety-four thousand eight hundred eighty-one
Scientific notation
2.1294881 × 10^7
Engineering notation
2.1294881 × 10^6
Prime Factorization
21294881
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21294881 Product of the distinct prime numbers
The prime factorization of 21294881 is 21294881.
Since it has a total of 1 prime factors.
3 , 5 , 54 , 40 , 938 , 853 , 8910 , 5939 , 68975 , 28171 , 515204 , 685898 , 4110428 , 3283447 , 22357643 , 35615424 , 952873388 , 249730533 , 5834825645 , 2941440675
n×2
42589762
n×3
63884643
n×4
85179524
n×5
106474405
n÷2
10647440.5
n÷3
7098293.6666667
n÷3
5323720.25
n÷5
4258976.2
n2
453471956804161
n3
9.6566313569817E+21
n4
2.0563681560779E+29
n5
4.3790115175869E+36
2 √n4614.6376889199
3 √n277.17777603077
4 √n67.931124596314
5 √n29.218306700653
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21294882 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10647441 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4614.6377972708 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999060807 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21294881 can be divided by 2 positive divisors.
The sum of these divisors (counting 21294881) is 21294882, the average is 10647441.
Base
System
Value
2
Binary
1010001001110111100100001
3
Ternary
1111001220002022
4
Quaternary
1101032330201
5
Quinary
20422414011
6
Senary
2040231225
8
Octal
121167441
10
Decimal
21294881
12
Duodecimal
716b515
16
Hexadecimal
144ef21
20
Vigesimal
6d1h41
36
Base36
cof8h
md5
dd13181032d1ebea21491ecc53ab7cd2
sha1
5fcee77d41e998b30648ec271628064f93aa4696
sha256
655e97d25f7cf527776631660c6e2e6595c81b3eb9773ec0266c6e75c6513ee4
sha512
ac0ebf1bf0b0fa494aea843b62209b683dd17854feb4e1383eb643f4c2f06b924f26fb21d38e9c448848458471d0ba1f80de37473219bccd1960f151ae504ed3
ripemd-160
71c9ae5329e4422fc01b0ff9dcdd182a08e75c31
Diameter
42589762
Circumference
133799683.41734
Area
1.4246241681049E+15
Volume
4.0449602839358E+22
Surface area
5.6984966724198E+15
Circumference
133799683.41734
Perimeter
85179524
Area
453471956804161
Diagonal
30115509.519321
Surface area
2720831740824966
Volume
9.6566313569817E+21
Space diagonal
36883815.833133
Perimeter
63884643
Area
1.9635911724812E+14
Altitude
18441907.916567
Surface area
1.9635911724812E+14
Volume
1.1380449193234E+21
Height
10038503.173107