21249910 (number)

21249910 is an even 8-digits composite number following 21249909 and preceding 21249911. In scientific notation, it is written as 2.1249910 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 7727200 positive integers (up to 21249910) that are relatively prime to 21249910.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-nine thousand nine hundred ten

Notation

Scientific notation 2.1249910 × 10^7
Engineering notation 2.1249910 × 10^6

Prime Factorization of 21249910

Prime Factorization 2 × 5 × 11 × 193181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21249910
Product of the distinct prime numbers

The prime factorization of 21249910 is 2 × 5 × 11 × 193181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 6, 85, 652, 912, 7789, 7685, 351, 51115, 956279, 191387, 3601959, 4157992, 64951629, 90521780, 338532542, 868773107, 6788189564, 9007315706

Basic calculations (n = 21249910)

Multiplication

n×y
n×2 42499820
n×3 63749730
n×4 84999640
n×5 106249550

Division

n÷y
n÷2 10624955
n÷3 7083303.3333333
n÷3 5312477.5
n÷5 4249982

Exponentiation

ny
n2 451558675008100
n3 9.5955812036414E+21
n4 2.0390523697507E+29
n5 4.3329679342489E+36

Nth Root

y√n
2√n 4609.7624667655
3√n 276.98252180247
4√n 67.895231546593
5√n 29.205955489741

Divisors of 21249910

1, 2, 5, 10, 11, 22, 55, 110, 193181, 386362, 965905, 1931810, 2124991, 4249982, 10624955, 21249910

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 -21249909
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 21249910 can be divided by 16 positive divisors. The sum of these divisors (counting 21249910) is 1, the average is 0.0625.

Base conversion 21249910

Base System Value
2 Binary 1010001000011111101110110
3 Ternary 1110222121101201
4 Quaternary 1101003331312
5 Quinary 20414444120
6 Senary 2035243114
8 Octal 121037566
10 Decimal 21249910
12 Duodecimal 714949a
16 Hexadecimal 1443f76
20 Vigesimal 6cg4fa
36 Base36 cngja

Cryptographic Hash Functions

md5 bbd6c0b7d334645dfc0f71e5d3a12273
sha1 a906aad54c8bd9ddd87334a6c19ba1039bc1b2f7
sha256 31ec0221c7155971d2e60f99706371db6202a2778152e8960a6e6f4f8107af74
sha512 f8cf428dd451d7566f81f7f5374e4951d5dee922afd7b0cd84d99a9f08e0323856b52e55b1543b2ba650fb993a66f0d769952db6565113bcb75f5a75612bb15c
ripemd-160 91f0cd553ef7ab43f6483e3b177520c0e7654b75

21249910 as geometric shapes

Circle

Radius = n
Diameter 42499820
Circumference 133517122.29089
Area 1.4186134160702E+15

Sphere

Radius = n
Volume 4.0193876555045E+22
Surface area 5.6744536642808E+15
Circumference 133517122.29089

Square

Length = n
Perimeter 84999640
Area 451558675008100
Diagonal 30051910.921208

Cube

Length = n
Surface area 2709352050048600
Volume 9.5955812036414E+21
Space diagonal 36805923.776266

Equilateral Triangle

Length = n
Perimeter 63749730
Area 1.9553064192813E+14
Altitude 18402961.888133

Triangular Pyramid

Length = n
Surface area 1.9553064192813E+14
Volume 1.1308500897535E+21
Height 10017303.640403