1981862 (number)

1981862 is an even 7-digits composite number following 1981861 and preceding 1981863. In scientific notation, it is written as 1.981862 × 10^6. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 983664 positive integers (up to 1981862) that are relatively prime to 1981862.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.981862 × 10^6
Engineering notation 1.981862 × 10^6

Prime Factorization of 1981862

Prime Factorization 2 × 139 × 7129

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1981862
Product of the distinct prime numbers

The prime factorization of 1981862 is 2 × 139 × 7129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1981862)

Multiplication

n×y
n×2 3963724
n×3 5945586
n×4 7927448
n×5 9909310

Division

n÷y
n÷2 990931
n÷3 660620.66666667
n÷3 495465.5
n÷5 396372.4

Exponentiation

ny
n2 3927776987044
n3 7784311955096995928
n4 1.5427432059952E+25
n5 3.0575041357201E+31

Nth Root

y√n
2√n 1407.7862053593
3√n 125.61007363724
4√n 37.520477147277
5√n 18.172500192356

Divisors of 1981862

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 -1981861
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 1981862 can be divided by 8 positive divisors. The sum of these divisors (counting 1981862) is 1, the average is 0.125.

Base conversion 1981862

Base System Value
2 Binary 111100011110110100110
3 Ternary 10201200121022
4 Quaternary 13203312212
5 Quinary 1001404422
6 Senary 110251142
8 Octal 7436646
10 Decimal 1981862
12 Duodecimal 7b6ab2
16 Hexadecimal 1e3da6
20 Vigesimal c7ed2
36 Base36 16h7q

Cryptographic Hash Functions

md5 e499b2ccde17e725f9be0c88a08f4c4c
sha1 73c6a71744a61f4963863520074411894e4695b9
sha256 76fc1e6aa610678c7c686f22a6b6cd2814ac116ac15964af166317d195b44a42
sha512 6e3d384f9a97737b7a4fa20c42513d15c3bf44a7e8b28c88dee8effced57106b68eafd4e30d6063610a9146c84381ac637cf7fd6cc415fab06e8ea3a59457a90
ripemd-160 830a6492bbd64045a7be7c93d469079627d253dd

1981862 as geometric shapes

Circle

Radius = n
Diameter 3963724
Circumference 12452406.199258
Area 12339475327436

Sphere

Radius = n
Volume 3.2606849668512E+19
Surface area 49357901309746
Circumference 12452406.199258

Square

Length = n
Perimeter 7927448
Area 3927776987044
Diagonal 2802776.1191519

Cube

Length = n
Surface area 23566661922264
Volume 7784311955096995928
Space diagonal 3432685.6775901

Equilateral Triangle

Length = n
Perimeter 5945586
Area 1700777325590
Altitude 1716342.838795

Triangular Pyramid

Length = n
Surface area 1700777325590
Volume 9.173899617201E+17
Height 934258.70638396