21291210 (number)

21291210 is an even 8-digits composite number following 21291209 and preceding 21291211. In scientific notation, it is written as 2.1291210 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 32 positive divisors. There are 5378400 positive integers (up to 21291210) that are relatively prime to 21291210.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred ten

Notation

Scientific notation 2.1291210 × 10^7
Engineering notation 2.1291210 × 10^6

Prime Factorization of 21291210

Prime Factorization 2 × 5 × 9 × 19 × 12451

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21291210
Product of the distinct prime numbers

The prime factorization of 21291210 is 2 × 5 × 9 × 19 × 12451. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 10, 37, 54, 862, 501, 9295, 9416, 24066, 88159, 463969, 408858, 883214, 7664885, 96705270, 41647132, 524484835, 597032619, 1336242676, 5004900482

Basic calculations (n = 21291210)

Multiplication

n×y
n×2 42582420
n×3 63873630
n×4 85164840
n×5 106456050

Division

n÷y
n÷2 10645605
n÷3 7097070
n÷3 5322802.5
n÷5 4258242

Exponentiation

ny
n2 453315623264100
n3 9.6516381311968E+21
n4 2.0549505429532E+29
n5 4.375238354963E+36

Nth Root

y√n
2√n 4614.2399157391
3√n 277.16184766296
4√n 67.92819676496
5√n 29.217299249136

Divisors of 21291210

1, 2, 5, 9, 10, 18, 19, 38, 45, 90, 95, 171, 190, 342, 855, 1710, 12451, 24902, 62255, 112059, 124510, 224118, 236569, 473138, 560295, 1120590, 1182845, 2129121, 2365690, 4258242, 10645605, 21291210

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 -21291209
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 21291210 can be divided by 32 positive divisors. The sum of these divisors (counting 21291210) is 1, the average is 0.03125.

Base conversion 21291210

Base System Value
2 Binary 1010001001110000011001010
3 Ternary 1111001201001100
4 Quaternary 1101032003022
5 Quinary 20422304320
6 Senary 2040202230
8 Octal 121160312
10 Decimal 21291210
12 Duodecimal 7169376
16 Hexadecimal 144e0ca
20 Vigesimal 6d180a
36 Base36 cocei

Cryptographic Hash Functions

md5 0638f6c9ac5794baaa2031e61b341120
sha1 bfb110207933dca40b3431fabb7d03aeeebb08e2
sha256 3cca179fbb5a04bb68c5532d84064b41a4584a02adedc2b3631455b68367928c
sha512 0d7b63994548bd97e650855920b00b20d87b8d40d1a14806edea107854ac8affd33599ece9c45f1100cab26b1eb6ada8491329cdab9d842a2718292bd9115213
ripemd-160 2f53487742391c6a60a54dc1db4be31e6212eaf3

21291210 as geometric shapes

Circle

Radius = n
Diameter 42582420
Circumference 133776617.84408
Area 1.424133031804E+15

Sphere

Radius = n
Volume 4.04286872641E+22
Surface area 5.6965321272159E+15
Circumference 133776617.84408

Square

Length = n
Perimeter 85164840
Area 453315623264100
Diagonal 30110317.941334

Cube

Length = n
Surface area 2719893739584600
Volume 9.6516381311968E+21
Space diagonal 36877457.474619

Equilateral Triangle

Length = n
Perimeter 63873630
Area 1.9629142283954E+14
Altitude 18438728.737309

Triangular Pyramid

Length = n
Surface area 1.9629142283954E+14
Volume 1.1374564620213E+21
Height 10036772.647111