20152821 (number)

20152821 is an odd 8-digits composite number following 20152820 and preceding 20152822. In scientific notation, it is written as 2.0152821 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 11793600 positive integers (up to 20152821) that are relatively prime to 20152821.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-two thousand eight hundred twenty-one

Notation

Scientific notation 2.0152821 × 10^7
Engineering notation 2.0152821 × 10^6

Prime Factorization of 20152821

Prime Factorization 31 × 3 × 13 × 79 × 211

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20152821
Product of the distinct prime numbers

The prime factorization of 20152821 is 31 × 3 × 13 × 79 × 211. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 8, 36, 53, 514, 309, 3454, 5771, 96169, 69621, 290380, 161579, 8453729, 1577181, 43006179, 69410372, 685026571, 326651243, 4790066074, 8792046129

Basic calculations (n = 20152821)

Multiplication

n×y
n×2 40305642
n×3 60458463
n×4 80611284
n×5 100764105

Division

n÷y
n÷2 10076410.5
n÷3 6717607
n÷3 5038205.25
n÷5 4030564.2

Exponentiation

ny
n2 406136194258041
n3 8.1847900245035E+21
n4 1.6494660828641E+29
n5 3.324139471353E+36

Nth Root

y√n
2√n 4489.1893477553
3√n 272.13137486528
4√n 67.00141302805
5√n 28.897958928462

Divisors of 20152821

1, 3, 13, 31, 39, 79, 93, 211, 237, 403, 633, 1027, 1209, 2449, 2743, 3081, 6541, 7347, 8229, 16669, 19623, 31837, 50007, 85033, 95511, 216697, 255099, 516739, 650091, 1550217, 6717607, 20152821

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 -20152820
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 20152821 can be divided by 32 positive divisors. The sum of these divisors (counting 20152821) is 1, the average is 0.03125.

Base conversion 20152821

Base System Value
2 Binary 1001100111000000111110101
3 Ternary 1101220212110210
4 Quaternary 1030320013311
5 Quinary 20124342241
6 Senary 1555540033
8 Octal 114700765
10 Decimal 20152821
12 Duodecimal 68ba619
16 Hexadecimal 13381f5
20 Vigesimal 65j211
36 Base36 bzy0l

Cryptographic Hash Functions

md5 0dc974a17ac46756a1db11517fc63630
sha1 1e5aa5e027af542423a3b1f0d40fafd9717e6b65
sha256 06a35096411fc68b02de5842709b7c93e563e924eb102a367fc39d2f2ffd7f3e
sha512 0e8535996d4388b3f08110c3b876ff65959b729edcc0c9c28908e02d42f77f14bd654db292ff4135cceaee7bacff4447fa7e2e4850fdd5e14840e5bed4d7e961
ripemd-160 d2db85bca0f5a789fa848f5d556094b32559207a

20152821 as geometric shapes

Circle

Radius = n
Diameter 40305642
Circumference 126623908.80542
Area 1.275914484238E+15

Sphere

Radius = n
Volume 3.4284368282874E+22
Surface area 5.1036579369519E+15
Circumference 126623908.80542

Square

Length = n
Perimeter 80611284
Area 406136194258041
Diagonal 28500392.778277

Cube

Length = n
Surface area 2436817165548246
Volume 8.1847900245035E+21
Space diagonal 34905709.887841

Equilateral Triangle

Length = n
Perimeter 60458463
Area 1.758621308119E+14
Altitude 17452854.943921

Triangular Pyramid

Length = n
Surface area 1.758621308119E+14
Volume 9.6458675481908E+20
Height 9500130.9260924