21000830 (number)

21000830 is an even 8-digits composite number following 21000829 and preceding 21000831. In scientific notation, it is written as 2.1000830 × 10^7. The sum of its digits is 14. It has a total of 5 prime factors and 32 positive divisors. There are 8104320 positive integers (up to 21000830) that are relatively prime to 21000830.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred thirty

Notation

Scientific notation 2.1000830 × 10^7
Engineering notation 2.1000830 × 10^6

Prime Factorization of 21000830

Prime Factorization 2 × 5 × 37 × 211 × 269

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21000830
Product of the distinct prime numbers

The prime factorization of 21000830 is 2 × 5 × 37 × 211 × 269. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 10, 61, 93, 113, 38, 8801, 8323, 12406, 38305, 573752, 546596, 1500618, 38102, 76727134, 87053803, 436041642, 106577853, 426361431, 5528674003

Basic calculations (n = 21000830)

Multiplication

n×y
n×2 42001660
n×3 63002490
n×4 84003320
n×5 105004150

Division

n÷y
n÷2 10500415
n÷3 7000276.6666667
n÷3 5250207.5
n÷5 4200166

Exponentiation

ny
n2 441034860688900
n3 9.2620981334013E+21
n4 1.9451174834288E+29
n5 4.0849081599516E+36

Nth Root

y√n
2√n 4582.6662544855
3√n 275.89605236335
4√n 67.695393155557
5√n 29.137164902651

Divisors of 21000830

1, 2, 5, 10, 37, 74, 185, 211, 269, 370, 422, 538, 1055, 1345, 2110, 2690, 7807, 9953, 15614, 19906, 39035, 49765, 56759, 78070, 99530, 113518, 283795, 567590, 2100083, 4200166, 10500415, 21000830

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 -21000829
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 21000830 can be divided by 32 positive divisors. The sum of these divisors (counting 21000830) is 1, the average is 0.03125.

Base conversion 21000830

Base System Value
2 Binary 1010000000111001001111110
3 Ternary 1110111221201112
4 Quaternary 1100013021332
5 Quinary 20334011310
6 Senary 2030042022
8 Octal 120071176
10 Decimal 21000830
12 Duodecimal 7049312
16 Hexadecimal 140727e
20 Vigesimal 6b521a
36 Base36 ci4ce

Cryptographic Hash Functions

md5 255bafa9003cc6e50a76b6b575caf937
sha1 7755964f758533b44cb6e6998bf8c43899597830
sha256 fe3905d8300d6ec470bf73f9e765b8cac0d7dcd721c7fb3fd0ebf5c4db38a136
sha512 c392a05edd0ac96407b43d7cb57f88091607df85f4fd4a9328396fbfa3ab50a4e9cb59a3eb81bfb333464882ec5a7e5b65b83e137fa6d6356f15225dcbcee3d7
ripemd-160 c4c2bd7e0c1d62e26147c68bed1400214ab5fca1

21000830 as geometric shapes

Circle

Radius = n
Diameter 42001660
Circumference 131952106.49458
Area 1.3855518783172E+15

Sphere

Radius = n
Volume 3.8796985936962E+22
Surface area 5.542207513269E+15
Circumference 131952106.49458

Square

Length = n
Perimeter 84003320
Area 441034860688900
Diagonal 29699658.607092

Cube

Length = n
Surface area 2646209164133400
Volume 9.2620981334013E+21
Space diagonal 36374504.561117

Equilateral Triangle

Length = n
Perimeter 63002490
Area 1.9097369665556E+14
Altitude 18187252.280558

Triangular Pyramid

Length = n
Surface area 1.9097369665556E+14
Volume 1.0915487330239E+21
Height 9899886.2023639