11897987 (number)

11897987 is an odd 8-digits composite number following 11897986 and preceding 11897988. In scientific notation, it is written as 1.1897987 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 11890200 positive integers (up to 11897987) that are relatively prime to 11897987.

Interesting facts

Basic properties

Name

Name eleven million eight hundred ninety-seven thousand nine hundred eighty-seven

Notation

Scientific notation 1.1897987 × 10^7
Engineering notation 1.1897987 × 10^6

Prime Factorization of 11897987

Prime Factorization 2087 × 5701

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 11897987
Product of the distinct prime numbers

The prime factorization of 11897987 is 2087 × 5701. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 11897987)

Multiplication

n×y
n×2 23795974
n×3 35693961
n×4 47591948
n×5 59489935

Division

n÷y
n÷2 5948993.5
n÷3 3965995.6666667
n÷3 2974496.75
n÷5 2379597.4

Exponentiation

ny
n2 141562094652169
n3 1.6843039618643E+21
n4 2.003982664231E+28
n5 2.3843359687245E+35

Nth Root

y√n
2√n 3449.3458800184
3√n 228.2922473301
4√n 58.731132119332
5√n 26.007265903875

Divisors of 11897987

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -11897986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 11897987 can be divided by 4 positive divisors. The sum of these divisors (counting 11897987) is 1, the average is 0.25.

Base conversion 11897987

Base System Value
2 Binary 101101011000110010000011
3 Ternary 211101110222012
4 Quaternary 231120302003
5 Quinary 11021213422
6 Senary 1103003135
8 Octal 55306203
10 Decimal 11897987
12 Duodecimal 3b994ab
16 Hexadecimal b58c83
20 Vigesimal 3e74j7
36 Base36 730jn

Cryptographic Hash Functions

md5 3f64690de529b352e441536c50b93adc
sha1 70fd7fd38f32631b3875d6e8a3b8b0a02ec9dfc5
sha256 6adea4970920d5a9bb38bb71d6c70c1b4f714eea7f8ef367955ee833ab822ec9
sha512 ea34fd25cd00d03a1d461021e4d1dc94510939076f760f62c4bcda6f511c6cf1c3555d5dab53acb5e2792bd3542b86a2bfbc453d42c2f845099a00303889117b
ripemd-160 a59c6549ed2d698b1c6fcc56da46cd468323efc1

11897987 as geometric shapes

Circle

Radius = n
Diameter 23795974
Circumference 74757257.103414
Area 4.4473043658604E+14

Sphere

Radius = n
Volume 7.05519593734E+21
Surface area 1.7789217463441E+15
Circumference 74757257.103414

Square

Length = n
Perimeter 47591948
Area 141562094652169
Diagonal 16826294.580339

Cube

Length = n
Surface area 849372567913014
Volume 1.6843039618643E+21
Space diagonal 20607917.991794

Equilateral Triangle

Length = n
Perimeter 35693961
Area 61298185090858
Altitude 10303958.995897

Triangular Pyramid

Length = n
Surface area 61298185090858
Volume 1.9849712550227E+20
Height 5608764.8601129