21291718 (number)

21291718 is an even 8-digits composite number following 21291717 and preceding 21291719. In scientific notation, it is written as 2.1291718 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors. There are 8512512 positive integers (up to 21291718) that are relatively prime to 21291718.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand seven hundred eighteen

Notation

Scientific notation 2.1291718 × 10^7
Engineering notation 2.1291718 × 10^6

Prime Factorization of 21291718

Prime Factorization 2 × 17 × 7 × 137 × 653

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21291718
Product of the distinct prime numbers

The prime factorization of 21291718 is 2 × 17 × 7 × 137 × 653. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 8, 100, 38, 109, 38, 2729, 9806, 82436, 19, 198544, 782146, 4509325, 9386792, 85144087, 34124099, 513251843, 919092295, 4041325057, 1586764318

Basic calculations (n = 21291718)

Multiplication

n×y
n×2 42583436
n×3 63875154
n×4 85166872
n×5 106458590

Division

n÷y
n÷2 10645859
n÷3 7097239.3333333
n÷3 5322929.5
n÷5 4258343.6

Exponentiation

ny
n2 453337255391524
n3 9.6523290006903E+21
n4 2.0551466712592E+29
n5 4.375760337309E+36

Nth Root

y√n
2√n 4614.2949623967
3√n 277.1640519701
4√n 67.928601946432
5√n 29.217438670488

Divisors of 21291718

1, 2, 7, 14, 17, 34, 119, 137, 238, 274, 653, 959, 1306, 1918, 2329, 4571, 4658, 9142, 11101, 16303, 22202, 32606, 77707, 89461, 155414, 178922, 626227, 1252454, 1520837, 3041674, 10645859, 21291718

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 -21291717
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 21291718 can be divided by 32 positive divisors. The sum of these divisors (counting 21291718) is 1, the average is 0.03125.

Base conversion 21291718

Base System Value
2 Binary 1010001001110001011000110
3 Ternary 1111001201202011
4 Quaternary 1101032023012
5 Quinary 20422313333
6 Senary 2040204434
8 Octal 121161306
10 Decimal 21291718
12 Duodecimal 716971a
16 Hexadecimal 144e2c6
20 Vigesimal 6d195i
36 Base36 cocsm

Cryptographic Hash Functions

md5 85488707a8b37f04ed3815b2fc44251a
sha1 e22dd023dda24e59cab25277b963ce68dfc7a9e7
sha256 a85fdb92278d332a17e5cf40a0a6c3fa7a5280f81ae6375a07e6db327e70ef85
sha512 769b8cf59b394dbdacaea3cb1d2f6a5fd7782430456f087c468563b415ac38830d1be991be3dda8907f98f0c7b18d3a273d29ea04c612fafa8e6c73e3aa06cae
ripemd-160 45149fbea103a152f0a17cf827e8cc722942d990

21291718 as geometric shapes

Circle

Radius = n
Diameter 42583436
Circumference 133779809.70221
Area 1.4242009911366E+15

Sphere

Radius = n
Volume 4.0431581171467E+22
Surface area 5.6968039645463E+15
Circumference 133779809.70221

Square

Length = n
Perimeter 85166872
Area 453337255391524
Diagonal 30111036.361823

Cube

Length = n
Surface area 2720023532349144
Volume 9.6523290006903E+21
Space diagonal 36878337.356429

Equilateral Triangle

Length = n
Perimeter 63875154
Area 1.9630078982549E+14
Altitude 18439168.678214

Triangular Pyramid

Length = n
Surface area 1.9630078982549E+14
Volume 1.1375378817719E+21
Height 10037012.120608