21462891 (number)

21462891 is an odd 8-digits composite number following 21462890 and preceding 21462892. In scientific notation, it is written as 2.1462891 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13152384 positive integers (up to 21462891) that are relatively prime to 21462891.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred sixty-two thousand eight hundred ninety-one

Notation

Scientific notation 2.1462891 × 10^7
Engineering notation 2.1462891 × 10^6

Prime Factorization of 21462891

Prime Factorization 3 × 17 × 43 × 9787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21462891
Product of the distinct prime numbers

The prime factorization of 21462891 is 3 × 17 × 43 × 9787. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 60, 5, 591, 305, 4918, 4137, 20420, 54832, 222708, 193238, 5937835, 9802064, 50294142, 492312, 650371073, 718963213, 6840982817, 9850432774

Basic calculations (n = 21462891)

Multiplication

n×y
n×2 42925782
n×3 64388673
n×4 85851564
n×5 107314455

Division

n÷y
n÷2 10731445.5
n÷3 7154297
n÷3 5365722.75
n÷5 4292578.2

Exponentiation

ny
n2 460655690077881
n3 9.8870028646713E+21
n4 2.1220366480113E+29
n5 4.5545041274272E+36

Nth Root

y√n
2√n 4632.8059531994
3√n 277.90481619679
4√n 68.064718857859
5√n 29.264266558803

Divisors of 21462891

1, 3, 17, 43, 51, 129, 731, 2193, 9787, 29361, 166379, 420841, 499137, 1262523, 7154297, 21462891

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21462890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21462891 can be divided by 16 positive divisors. The sum of these divisors (counting 21462891) is 1, the average is 0.0625.

Base conversion 21462891

Base System Value
2 Binary 1010001110111111101101011
3 Ternary 1111101102112220
4 Quaternary 1101313331223
5 Quinary 20443303031
6 Senary 2044005123
8 Octal 121677553
10 Decimal 21462891
12 Duodecimal 72307a3
16 Hexadecimal 1477f6b
20 Vigesimal 6e2h4b
36 Base36 cs0vf

Cryptographic Hash Functions

md5 c6066df6b50ae609151154dd3fd926b3
sha1 dd8fff5fdebb3a992a39c218e400d1aa8cb498e1
sha256 7a739627a6753b14aee7d37a1a7a65046285722d1c2c4ebb4ba6037d5425a6af
sha512 2e78b613c2d3be7a69abd78a43c2cbedfbb9f8509e17e3ea1b62a3cf5fb81456ac7a8aef546f6f4466f66e88fa642c3df034e587f8935ceb0f374d5ee92072ee
ripemd-160 49b229f13476b6b960df8a73cacc5def0e3199b7

21462891 as geometric shapes

Circle

Radius = n
Diameter 42925782
Circumference 134855321.3808
Area 1.447192531783E+15

Sphere

Radius = n
Volume 4.141458075423E+22
Surface area 5.788770127132E+15
Circumference 134855321.3808

Square

Length = n
Perimeter 85851564
Area 460655690077881
Diagonal 30353111.539935

Cube

Length = n
Surface area 2763934140467286
Volume 9.8870028646713E+21
Space diagonal 37174817.689313

Equilateral Triangle

Length = n
Perimeter 64388673
Area 1.9946976500265E+14
Altitude 18587408.844656

Triangular Pyramid

Length = n
Surface area 1.9946976500265E+14
Volume 1.16519446187E+21
Height 10117703.846645