21493091 (number)

21493091 is an odd 8-digits prime number following 21493090 and preceding 21493092. In scientific notation, it is written as 2.1493091 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 21493090 positive integers (up to 21493091) that are relatively prime to 21493091.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand ninety-one

Notation

Scientific notation 2.1493091 × 10^7
Engineering notation 2.1493091 × 10^6

Prime Factorization of 21493091

Prime Factorization 21493091

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21493091
Product of the distinct prime numbers

The prime factorization of 21493091 is 21493091. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493091)

Multiplication

n×y
n×2 42986182
n×3 64479273
n×4 85972364
n×5 107465455

Division

n÷y
n÷2 10746545.5
n÷3 7164363.6666667
n÷3 5373272.75
n÷5 4298618.2

Exponentiation

ny
n2 461952960734281
n3 9.9287970227813E+21
n4 2.1340053793117E+29
n5 4.5866371812035E+36

Nth Root

y√n
2√n 4636.0641712556
3√n 278.03509985883
4√n 68.088649356964
5√n 29.272497359113

Divisors of 21493091

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21493092
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10746546
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4636.0642791057
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999069468
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493091 can be divided by 2 positive divisors. The sum of these divisors (counting 21493091) is 21493092, the average is 10746546.

Base conversion 21493091

Base System Value
2 Binary 1010001111111010101100011
3 Ternary 1111102221222102
4 Quaternary 1101333111203
5 Quinary 21000234331
6 Senary 2044401015
8 Octal 121772543
10 Decimal 21493091
12 Duodecimal 724616b
16 Hexadecimal 147f563
20 Vigesimal 6e6ceb
36 Base36 cso6b

Cryptographic Hash Functions

md5 305a8a24e5f851efa446d4757ac15fe5
sha1 7513d7155a1fd54e73d0a1c787af371b8a603ede
sha256 7565a2742c68637e7247c326f12be25d5827e8b9011b7d6c37f0323367cd3b6c
sha512 1ff34d132a87ec5d711d995d9e4f818c2e494c48941835620bc5713cafd968ed38879d5b2b723ad0cda50ba905f72f2455a48c01f347110617e6eb6824210a5a
ripemd-160 6184d31d9c9c79024c4496e2ed33bafb996d48e8

21493091 as geometric shapes

Circle

Radius = n
Diameter 42986182
Circumference 135045073.57707
Area 1.4512680277469E+15

Sphere

Radius = n
Volume 4.1589647714339E+22
Surface area 5.8050721109875E+15
Circumference 135045073.57707

Square

Length = n
Perimeter 85972364
Area 461952960734281
Diagonal 30395820.789519

Cube

Length = n
Surface area 2771717764405686
Volume 9.9287970227813E+21
Space diagonal 37227125.623701

Equilateral Triangle

Length = n
Perimeter 64479273
Area 2.0003149967466E+14
Altitude 18613562.811851

Triangular Pyramid

Length = n
Surface area 2.0003149967466E+14
Volume 1.1701199506389E+21
Height 10131940.263173