21492937 is an odd 8-digits prime number following 21492936
and preceding 21492938 . In scientific notation, it is written as 2.1492937 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 21492936 positive integers (up to 21492937) that are relatively prime to 21492937.
21492937 has 2 divisors, whose sum is 21492938
The reverse of 21492937 is 73929412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 37 Digital Root 1
Name
twenty-one million four hundred ninety-two thousand nine hundred thirty-seven
Scientific notation
2.1492937 × 10^7
Engineering notation
2.1492937 × 10^6
Prime Factorization
21492937
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21492937 Product of the distinct prime numbers
The prime factorization of 21492937 is 21492937.
Since it has a total of 1 prime factors.
8 , 9 , 97 , 32 , 995 , 76 , 7783 , 2023 , 4542 , 82098 , 772246 , 742219 , 215451 , 5235127 , 65580353 , 16966367 , 752586066 , 197901930 , 5765622604 , 333068190
n×2
42985874
n×3
64478811
n×4
85971748
n×5
107464685
n÷2
10746468.5
n÷3
7164312.3333333
n÷3
5373234.25
n÷5
4298587.4
n2
461946340885969
n3
9.9285836020427E+21
n4
2.1339442185794E+29
n5
4.586472865144E+36
2 √n4636.0475623099
3 √n278.03443580811
4 √n68.088527391257
5 √n29.272455410959
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21492938 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10746469 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4636.0476701604 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069462 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492937 can be divided by 2 positive divisors.
The sum of these divisors (counting 21492937) is 21492938, the average is 10746469.
Base
System
Value
2
Binary
1010001111111010011001001
3
Ternary
1111102221202201
4
Quaternary
1101333103021
5
Quinary
21000233222
6
Senary
2044400201
8
Octal
121772311
10
Decimal
21492937
12
Duodecimal
7246061
16
Hexadecimal
147f4c9
20
Vigesimal
6e6c6h
36
Base36
cso21
md5
dab37a5f63c33d691004ce51060c3e9e
sha1
6cff342b90b44e260bf99f48fa650476bc0ea45a
sha256
1a78c1b2c96b06f583a1e4c47d1355660872b411eebb664a2ed5ae36dd9b2c9d
sha512
5c300d2cbe18662a1a4542bd168bad656c1a10ba2e63e9537ab1116ba1dbbeac3837f588005f55b70ad4175813c779e3cf7ad16561c2c1217ad1f92286833a27
ripemd-160
9d7d98311d828252b76c5b9b3853d5967a757a93
Diameter
42985874
Circumference
135044105.96654
Area
1.45124723088E+15
Volume
4.1588753739639E+22
Surface area
5.8049889235202E+15
Circumference
135044105.96654
Perimeter
85971748
Area
461946340885969
Diagonal
30395603.000631
Surface area
2771678045315814
Volume
9.9285836020427E+21
Space diagonal
37226858.887877
Perimeter
64478811
Area
2.0002863319626E+14
Altitude
18613429.443939
Surface area
2.0002863319626E+14
Volume
1.1700947987637E+21
Height
10131867.666877