19981556 (number)

19981556 is an even 8-digits composite number following 19981555 and preceding 19981557. In scientific notation, it is written as 1.9981556 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors. There are 8563512 positive integers (up to 19981556) that are relatively prime to 19981556.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-one thousand five hundred fifty-six

Notation

Scientific notation 1.9981556 × 10^7
Engineering notation 1.9981556 × 10^6

Prime Factorization of 19981556

Prime Factorization 2 × 2 × 7 × 713627

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9990778
Product of the distinct prime numbers

The prime factorization of 19981556 is 2 × 2 × 7 × 713627. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19981556)

Multiplication

n×y
n×2 39963112
n×3 59944668
n×4 79926224
n×5 99907780

Division

n÷y
n÷2 9990778
n÷3 6660518.6666667
n÷3 4995389
n÷5 3996311.2

Exponentiation

ny
n2 399262580181136
n3 7.9778876045939E+21
n4 1.594106079329E+29
n5 3.1852719894052E+36

Nth Root

y√n
2√n 4470.0733774738
3√n 271.35829479898
4√n 66.858607355178
5√n 28.848674322527

Divisors of 19981556

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19981555
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19981556 can be divided by 12 positive divisors. The sum of these divisors (counting 19981556) is 1, the average is 0.083333333333333.

Base conversion 19981556

Base System Value
2 Binary 1001100001110010011110100
3 Ternary 1101121011112122
4 Quaternary 1030032103310
5 Quinary 20103402211
6 Senary 1552135112
8 Octal 114162364
10 Decimal 19981556
12 Duodecimal 6837498
16 Hexadecimal 130e4f4
20 Vigesimal 64hdhg
36 Base36 bw9v8

Cryptographic Hash Functions

md5 2755d271dec91d4ca0d125872b508144
sha1 c5b8f80fb21b3474500664d4074650e5fe8e676e
sha256 28bfaf5f0b1748fe5399e8c475cd233c46e5ace276048aa0f856048c00720055
sha512 ecb6843b88be9b5981b3d0566a644a835f18bb3c4af8c0961a22efa32ee55e88bc880831c574fe5881dd897b83124ab525d44819124fa20518c8f0f4f02a6135
ripemd-160 394d8d8fd802bff383d4dab96ea65a38f18208e5

19981556 as geometric shapes

Circle

Radius = n
Diameter 39963112
Circumference 125547819.07379
Area 1.2543203887504E+15

Sphere

Radius = n
Volume 3.341769745301E+22
Surface area 5.0172815550014E+15
Circumference 125547819.07379

Square

Length = n
Perimeter 79926224
Area 399262580181136
Diagonal 28258187.492517

Cube

Length = n
Surface area 2395575481086816
Volume 7.9778876045939E+21
Space diagonal 34609070.206283

Equilateral Triangle

Length = n
Perimeter 59944668
Area 1.7288576860869E+14
Altitude 17304535.103141

Triangular Pyramid

Length = n
Surface area 1.7288576860869E+14
Volume 9.4020307079207E+20
Height 9419395.8308392