1981880 (number)

1981880 is an even 7-digits composite number following 1981879 and preceding 1981881. In scientific notation, it is written as 1.981880 × 10^6. The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors. There are 792736 positive integers (up to 1981880) that are relatively prime to 1981880.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.981880 × 10^6
Engineering notation 1.981880 × 10^6

Prime Factorization of 1981880

Prime Factorization 2 × 2 × 2 × 5 × 49547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 495470
Product of the distinct prime numbers

The prime factorization of 1981880 is 2 × 2 × 2 × 5 × 49547. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 48, 43, 833, 237, 6700, 2773, 80193, 12977, 314476, 676648, 6742732, 4489719, 72081273, 61399598, 42422993, 941396947, 5854086395, 3478771899

Basic calculations (n = 1981880)

Multiplication

n×y
n×2 3963760
n×3 5945640
n×4 7927520
n×5 9909400

Division

n÷y
n÷2 990940
n÷3 660626.66666667
n÷3 495470
n÷5 396376

Exponentiation

ny
n2 3927848334400
n3 7784524056980672000
n4 1.5427992538049E+25
n5 3.0576429851308E+31

Nth Root

y√n
2√n 1407.792598361
3√n 125.61045391506
4√n 37.520562340682
5√n 18.172533202103

Divisors of 1981880

1, 2, 4, 5, 8, 10, 20, 40, 49547, 99094, 198188, 247735, 396376, 495470, 990940, 1981880

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 -1981879
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 1981880 can be divided by 16 positive divisors. The sum of these divisors (counting 1981880) is 1, the average is 0.0625.

Base conversion 1981880

Base System Value
2 Binary 111100011110110111000
3 Ternary 10201200121222
4 Quaternary 13203312320
5 Quinary 1001410010
6 Senary 110251212
8 Octal 7436670
10 Decimal 1981880
12 Duodecimal 7b6b08
16 Hexadecimal 1e3db8
20 Vigesimal c7ee0
36 Base36 16h88

Cryptographic Hash Functions

md5 defb1a9816e6ff2c2869217847ef7e5e
sha1 aab45651d5dadd4559e5051d89761f7a24251782
sha256 c1634cbdb408e413b9f869efd501992a1b956ac5d1146a8eb209169891f93516
sha512 cfcf1dbf9c114cd312a3f3532345bf8d5018288111064ef4da925daf3d4fa13393511cbb54e3b93335ffb3fbb45c3c43f7ff4a580aff666b0b1e6b158975ca8b
ripemd-160 a22fd7ce86c8044ea281fb10722ffaf12d02ec99

1981880 as geometric shapes

Circle

Radius = n
Diameter 3963760
Circumference 12452519.296593
Area 12339699471766

Sphere

Radius = n
Volume 3.2607738118805E+19
Surface area 49358797887064
Circumference 12452519.296593

Square

Length = n
Perimeter 7927520
Area 3927848334400
Diagonal 2802801.574996

Cube

Length = n
Surface area 23567090006400
Volume 7784524056980672000
Space diagonal 3432716.8545046

Equilateral Triangle

Length = n
Perimeter 5945640
Area 1700808219901.4
Altitude 1716358.4272523

Triangular Pyramid

Length = n
Surface area 1700808219901.4
Volume 9.1741495816681E+17
Height 934267.19166533