1981888 (number)

1981888 is an even 7-digits composite number following 1981887 and preceding 1981889. In scientific notation, it is written as 1.981888 × 10^6. The sum of its digits is 43. It has a total of 8 prime factors and 28 positive divisors. There are 979712 positive integers (up to 1981888) that are relatively prime to 1981888.

Interesting facts

Basic properties

Name

Name one million nine hundred eighty-one thousand eight hundred eighty-eight

Notation

Scientific notation 1.981888 × 10^6
Engineering notation 1.981888 × 10^6

Prime Factorization of 1981888

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 173 × 179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 61934
Product of the distinct prime numbers

The prime factorization of 1981888 is 2 × 2 × 2 × 2 × 2 × 2 × 173 × 179. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 2, 72, 70, 513, 942, 6320, 6740, 27513, 81601, 119168, 685367, 9018075, 9654732, 79555840, 49742228, 466781153, 189444929, 7721695169, 741474565

Basic calculations (n = 1981888)

Multiplication

n×y
n×2 3963776
n×3 5945664
n×4 7927552
n×5 9909440

Division

n÷y
n÷2 990944
n÷3 660629.33333333
n÷3 495472
n÷5 396377.6

Exponentiation

ny
n2 3927880044544
n3 7784618325721219072
n4 1.5428241644327E+25
n5 3.0577046975992E+31

Nth Root

y√n
2√n 1407.7954396858
3√n 125.61062292669
4√n 37.520600204231
5√n 18.172547873024

Divisors of 1981888

1, 2, 4, 8, 16, 32, 64, 173, 179, 346, 358, 692, 716, 1384, 1432, 2768, 2864, 5536, 5728, 11072, 11456, 30967, 61934, 123868, 247736, 495472, 990944, 1981888

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1981887
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1981888 can be divided by 28 positive divisors. The sum of these divisors (counting 1981888) is 1, the average is 0.035714285714286.

Base conversion 1981888

Base System Value
2 Binary 111100011110111000000
3 Ternary 10201200122021
4 Quaternary 13203313000
5 Quinary 1001410023
6 Senary 110251224
8 Octal 7436700
10 Decimal 1981888
12 Duodecimal 7b6b14
16 Hexadecimal 1e3dc0
20 Vigesimal c7ee8
36 Base36 16h8g

Cryptographic Hash Functions

md5 a662be5980883c4c3f977e9ab41d39a4
sha1 ae4a9aa6636dd9ad12cedcb11ea10dbf5cccc51e
sha256 ecba757332db28b5393533aa675394e65bd6e8d1e88ef9355468379198355316
sha512 caa3b1de07a6ae568e7b77aff1eff5cb42c9630b012e8dc1f3f50772404162acd6babe22757b7ad12f7dad987d1c42d3f1276a520483721733b30fbdc8efcd30
ripemd-160 a9b6ddf7e351189943c56ba40fc5310e52e30fbc

1981888 as geometric shapes

Circle

Radius = n
Diameter 3963776
Circumference 12452569.562076
Area 12339799092121

Sphere

Radius = n
Volume 3.2608132990782E+19
Surface area 49359196368486
Circumference 12452569.562076

Square

Length = n
Perimeter 7927552
Area 3927880044544
Diagonal 2802812.8887045

Cube

Length = n
Surface area 23567280267264
Volume 7784618325721219072
Space diagonal 3432730.7109111

Equilateral Triangle

Length = n
Perimeter 5945664
Area 1700821950796.5
Altitude 1716365.3554555

Triangular Pyramid

Length = n
Surface area 1700821950796.5
Volume 9.1742606784442E+17
Height 934270.9629015