21493730 (number)

21493730 is an even 8-digits composite number following 21493729 and preceding 21493731. In scientific notation, it is written as 2.1493730 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 8141056 positive integers (up to 21493730) that are relatively prime to 21493730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493730 × 10^7
Engineering notation 2.1493730 × 10^6

Prime Factorization of 21493730

Prime Factorization 2 × 5 × 23 × 827 × 113

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21493730
Product of the distinct prime numbers

The prime factorization of 21493730 is 2 × 5 × 23 × 827 × 113. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 6, 11, 47, 889, 761, 8654, 3888, 51867, 819, 727015, 527244, 8462222, 1523275, 40226626, 38659539, 147337310, 698044034, 9242796016, 1411953494

Basic calculations (n = 21493730)

Multiplication

n×y
n×2 42987460
n×3 64481190
n×4 85974920
n×5 107468650

Division

n÷y
n÷2 10746865
n÷3 7164576.6666667
n÷3 5373432.5
n÷5 4298746

Exponentiation

ny
n2 461980429312900
n3 9.9296826129356E+21
n4 2.1342591706813E+29
n5 4.5873190364648E+36

Nth Root

y√n
2√n 4636.1330869594
3√n 278.03785520423
4√n 68.089155428449
5√n 29.272671414147

Divisors of 21493730

1, 2, 5, 10, 23, 46, 113, 115, 226, 230, 565, 827, 1130, 1654, 2599, 4135, 5198, 8270, 12995, 19021, 25990, 38042, 93451, 95105, 186902, 190210, 467255, 934510, 2149373, 4298746, 10746865, 21493730

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493729
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493730 can be divided by 32 positive divisors. The sum of these divisors (counting 21493730) is 1, the average is 0.03125.

Base conversion 21493730

Base System Value
2 Binary 1010001111111011111100010
3 Ternary 1111102222212002
4 Quaternary 1101333133202
5 Quinary 21000244410
6 Senary 2044404002
8 Octal 121773742
10 Decimal 21493730
12 Duodecimal 7246602
16 Hexadecimal 147f7e2
20 Vigesimal 6e6e6a
36 Base36 csoo2

Cryptographic Hash Functions

md5 a7cbef32528e5322c5445697812e1c36
sha1 ce55a83c9e50d9d8e1350bf9f01b869fc6e92167
sha256 2b7c6f2e1fd6069b02f7ef71071e05a767a604bde4ae084a3cf85d9df2fc5a7c
sha512 aa1dac918a843f79fc51866865f1f69deeb34d2a6f1867f6a69e8236f7c82b7459f6775faa47ecaf7f38fa253e322f0a65b5834f7ccf5b2901549f4cc4b86997
ripemd-160 ec8fe2016942bc0ab414c949879fe5fbd30cc55c

21493730 as geometric shapes

Circle

Radius = n
Diameter 42987460
Circumference 135049088.53249
Area 1.4513543228317E+15

Sphere

Radius = n
Volume 4.1593357265702E+22
Surface area 5.8054172913267E+15
Circumference 135049088.53249

Square

Length = n
Perimeter 85974920
Area 461980429312900
Diagonal 30396724.471985

Cube

Length = n
Surface area 2771882575877400
Volume 9.9296826129356E+21
Space diagonal 37228232.404167

Equilateral Triangle

Length = n
Perimeter 64481190
Area 2.0004339391811E+14
Altitude 18614116.202084

Triangular Pyramid

Length = n
Surface area 2.0004339391811E+14
Volume 1.1702243184395E+21
Height 10132241.490662