21836985 (number)

21836985 is an odd 8-digits composite number following 21836984 and preceding 21836986. In scientific notation, it is written as 2.1836985 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 10948608 positive integers (up to 21836985) that are relatively prime to 21836985.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred thirty-six thousand nine hundred eighty-five

Notation

Scientific notation 2.1836985 × 10^7
Engineering notation 2.1836985 × 10^6

Prime Factorization of 21836985

Prime Factorization 15 × 19 × 193 × 397

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21836985
Product of the distinct prime numbers

The prime factorization of 21836985 is 15 × 19 × 193 × 397. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 81, 37, 412, 249, 3858, 4621, 4631, 76242, 391673, 369187, 1390890, 8052764, 35035647, 5618913, 999738912, 748676462, 2741741062, 6006312821

Basic calculations (n = 21836985)

Multiplication

n×y
n×2 43673970
n×3 65510955
n×4 87347940
n×5 109184925

Division

n÷y
n÷2 10918492.5
n÷3 7278995
n÷3 5459246.25
n÷5 4367397

Exponentiation

ny
n2 476853913890225
n3 1.0413051764812E+22
n4 2.2738965519243E+29
n5 4.9655044895922E+36

Nth Root

y√n
2√n 4673.0059918643
3√n 279.5101341154
4√n 68.359388469064
5√n 29.36557676356

Divisors of 21836985

1, 15, 19, 193, 285, 397, 2895, 3667, 5955, 7543, 55005, 76621, 113145, 1149315, 1455799, 21836985

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 -21836984
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 21836985 can be divided by 16 positive divisors. The sum of these divisors (counting 21836985) is 1, the average is 0.0625.

Base conversion 21836985

Base System Value
2 Binary 1010011010011010010111001
3 Ternary 1112002102201020
4 Quaternary 1103103102321
5 Quinary 21042240420
6 Senary 2100013053
8 Octal 123232271
10 Decimal 21836985
12 Duodecimal 7391189
16 Hexadecimal 14d34b9
20 Vigesimal 6g9c95
36 Base36 d01ix

Cryptographic Hash Functions

md5 6e93c342636a1b07197e1b1505bcc790
sha1 8fa0f8609d564099c165628fad0276399887b11c
sha256 186616eb1c7ac2f9d4602e22bbd20d0e3d4cac52093a4e43d45cd67c0084c126
sha512 55f12a5aba7cb3bf2e8c5c6a1b4f27089fb80c81a34e1543b350865cc1fbead08401038fa6217a132a25d40034e6e89e1b25a85d8686830430d8986a4439a2b7
ripemd-160 b8dabcdc2bd9b39e75ecc5ae5482f531d07806f6

21836985 as geometric shapes

Circle

Radius = n
Diameter 43673970
Circumference 137205823.3051
Area 1.4980807527131E+15

Sphere

Radius = n
Volume 4.3618089234379E+22
Surface area 5.9923230108523E+15
Circumference 137205823.3051

Square

Length = n
Perimeter 87347940
Area 476853913890225
Diagonal 30882160.348338

Cube

Length = n
Surface area 2861123483341350
Volume 1.0413051764812E+22
Space diagonal 37822767.504119

Equilateral Triangle

Length = n
Perimeter 65510955
Area 2.0648380166149E+14
Altitude 18911383.75206

Triangular Pyramid

Length = n
Surface area 2.0648380166149E+14
Volume 1.2271899192909E+21
Height 10294053.449446