19987977 (number)

19987977 is an odd 8-digits composite number following 19987976 and preceding 19987978. In scientific notation, it is written as 1.9987977 × 10^7. The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors. There are 13164608 positive integers (up to 19987977) that are relatively prime to 19987977.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-seven thousand nine hundred seventy-seven

Notation

Scientific notation 1.9987977 × 10^7
Engineering notation 1.9987977 × 10^6

Prime Factorization of 19987977

Prime Factorization 3 × 83 × 80273

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19987977
Product of the distinct prime numbers

The prime factorization of 19987977 is 3 × 83 × 80273. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19987977)

Multiplication

n×y
n×2 39975954
n×3 59963931
n×4 79951908
n×5 99939885

Division

n÷y
n÷2 9993988.5
n÷3 6662659
n÷3 4996994.25
n÷5 3997595.4

Exponentiation

ny
n2 399519224552529
n3 7.9855810714138E+21
n4 1.5961561078705E+29
n5 3.1903931572526E+36

Nth Root

y√n
2√n 4470.7915406559
3√n 271.38735835151
4√n 66.86397790033
5√n 28.850528167466

Divisors of 19987977

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19987976
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19987977 can be divided by 8 positive divisors. The sum of these divisors (counting 19987977) is 1, the average is 0.125.

Base conversion 19987977

Base System Value
2 Binary 1001100001111111000001001
3 Ternary 1101121111100110
4 Quaternary 1030033320021
5 Quinary 20104103402
6 Senary 1552224533
8 Octal 114177011
10 Decimal 19987977
12 Duodecimal 683b149
16 Hexadecimal 130fe09
20 Vigesimal 64i9ih
36 Base36 bwetl

Cryptographic Hash Functions

md5 119e81dcfb361e00a7edc167ce8d3e0f
sha1 e524948469a6d01c0898168f307828f549697f01
sha256 168b1b5fc364b49487b877a6d8606e7ca62393648ce3770e77f67a3b88252911
sha512 92df141d32f5b83b5a54fb6f9147d2f05417e260a9c3fc340c8a412d6992ea693e922e61e1d5dc362aeb3d10f4e0cac352f0284178795df391630e9ff901b54a
ripemd-160 4baca27d759dd800da86e84d28e82bd5701d2a7b

19987977 as geometric shapes

Circle

Radius = n
Diameter 39975954
Circumference 125588163.40664
Area 1.2551266608221E+15

Sphere

Radius = n
Volume 3.3449923771466E+22
Surface area 5.0205066432885E+15
Circumference 125588163.40664

Square

Length = n
Perimeter 79951908
Area 399519224552529
Diagonal 28267268.157801

Cube

Length = n
Surface area 2397115347315174
Volume 7.9855810714138E+21
Space diagonal 34620191.704518

Equilateral Triangle

Length = n
Perimeter 59963931
Area 1.7299689888137E+14
Altitude 17310095.852259

Triangular Pyramid

Length = n
Surface area 1.7299689888137E+14
Volume 9.4110975455194E+20
Height 9422422.7192672