21051912 (number)

21051912 is an even 8-digits composite number following 21051911 and preceding 21051913. In scientific notation, it is written as 2.1051912 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors. There are 5768448 positive integers (up to 21051912) that are relatively prime to 21051912.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-one thousand nine hundred twelve

Notation

Scientific notation 2.1051912 × 10^7
Engineering notation 2.1051912 × 10^6

Prime Factorization of 21051912

Prime Factorization 2 × 2 × 2 × 21 × 841 × 149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5262978
Product of the distinct prime numbers

The prime factorization of 21051912 is 2 × 2 × 2 × 21 × 841 × 149. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 5, 50, 49, 910, 926, 3590, 975, 32961, 2379, 459676, 882363, 5508017, 4471059, 68489660, 3614049, 689483320, 401391151, 4185274345, 5078730102

Basic calculations (n = 21051912)

Multiplication

n×y
n×2 42103824
n×3 63155736
n×4 84207648
n×5 105259560

Division

n÷y
n÷2 10525956
n÷3 7017304
n÷3 5262978
n÷5 4210382.4

Exponentiation

ny
n2 443182998855744
n3 9.3298494918072E+21
n4 1.9641117047477E+29
n5 4.1348306766519E+36

Nth Root

y√n
2√n 4588.2362624433
3√n 276.11956592275
4√n 67.736520891195
5√n 29.15132566335

Divisors of 21051912

1, 2, 4, 8, 21, 42, 84, 149, 168, 298, 596, 841, 1192, 1682, 3129, 3364, 6258, 6728, 12516, 17661, 25032, 35322, 70644, 125309, 141288, 250618, 501236, 1002472, 2631489, 5262978, 10525956, 21051912

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 -21051911
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 21051912 can be divided by 32 positive divisors. The sum of these divisors (counting 21051912) is 1, the average is 0.03125.

Base conversion 21051912

Base System Value
2 Binary 1010000010011101000001000
3 Ternary 1110121112210110
4 Quaternary 1100103220020
5 Quinary 20342130122
6 Senary 2031114320
8 Octal 120235010
10 Decimal 21051912
12 Duodecimal 70729a0
16 Hexadecimal 1413a08
20 Vigesimal 6bb9fc
36 Base36 cj7rc

Cryptographic Hash Functions

md5 d33a7604848df1c171525fecbaef001b
sha1 412c36b49a6183aa9c2ef9a4ed3c8589479151af
sha256 d5c11f3452e71751393c5552cb3f4b3b243084f60e9326f0ba4c59022a72037c
sha512 c9b3e77042bf3ad78144373c0746906d588b54db2dd869bea75b4f709b5a03e1fc34e3b02b3c1df3be5c0dec0673763aa624ea17c3f8bf47c6155e01181ac8ce
ripemd-160 4b7aeca6c397d8a5607fbb4f52d8c013d00d0776

21051912 as geometric shapes

Circle

Radius = n
Diameter 42103824
Circumference 132273064.16644
Area 1.3923004534011E+15

Sphere

Radius = n
Volume 3.9080782163413E+22
Surface area 5.5692018136044E+15
Circumference 132273064.16644

Square

Length = n
Perimeter 84207648
Area 443182998855744
Diagonal 29771899.464285

Cube

Length = n
Surface area 2659097993134464
Volume 9.3298494918072E+21
Space diagonal 36462981.180469

Equilateral Triangle

Length = n
Perimeter 63155736
Area 1.9190386776722E+14
Altitude 18231490.590234

Triangular Pyramid

Length = n
Surface area 1.9190386776722E+14
Volume 1.0995333071845E+21
Height 9923966.488095