2918981 (number)

2918981 is an odd 7-digits composite number following 2918980 and preceding 2918982. In scientific notation, it is written as 2.918981 × 10^6. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 2674800 positive integers (up to 2918981) that are relatively prime to 2918981.

Interesting facts

Basic properties

Name

Name two million nine hundred eighteen thousand nine hundred eighty-one

Notation

Scientific notation 2.918981 × 10^6
Engineering notation 2.918981 × 10^6

Prime Factorization of 2918981

Prime Factorization 13 × 151 × 1487

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2918981
Product of the distinct prime numbers

The prime factorization of 2918981 is 13 × 151 × 1487. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2918981)

Multiplication

n×y
n×2 5837962
n×3 8756943
n×4 11675924
n×5 14594905

Division

n÷y
n÷2 1459490.5
n÷3 972993.66666667
n÷3 729745.25
n÷5 583796.2

Exponentiation

ny
n2 8520450078361
n3 2.4871031890184E+19
n4 7.2598069537842E+25
n5 2.1191238561764E+32

Nth Root

y√n
2√n 1708.5025607239
3√n 142.91476166215
4√n 41.334036346864
5√n 19.635693915466

Divisors of 2918981

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 -2918980
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 2918981 can be divided by 8 positive divisors. The sum of these divisors (counting 2918981) is 1, the average is 0.125.

Base conversion 2918981

Base System Value
2 Binary 1011001000101001000101
3 Ternary 12111022002102
4 Quaternary 23020221011
5 Quinary 1221401411
6 Senary 142321445
8 Octal 13105105
10 Decimal 2918981
12 Duodecimal b89285
16 Hexadecimal 2c8a45
20 Vigesimal i4h91
36 Base36 1qkat

Cryptographic Hash Functions

md5 d8bffb9325ca42b9774cb1f692c68136
sha1 9c84f7e51bbfa6380ca67248cec0626898230201
sha256 8a047af68018e2e00311e20c103b2b3c3d23470bab6767e15dd370ed7c204c2a
sha512 d39962cd5b34bfb585d63099356ccbea44afc2a2c9991deb8d36b0161146c613a33248a80b3a37a3b1714c0291413b2c9d187b17b59869d589eb70c259f49ca0
ripemd-160 83f02cd30366511b48cd1adc2959ed6b1a9b6ca8

2918981 as geometric shapes

Circle

Radius = n
Diameter 5837962
Circumference 18340498.531136
Area 26767783371457

Sphere

Radius = n
Volume 1.0417953476453E+20
Surface area 1.0707113348583E+14
Circumference 18340498.531136

Square

Length = n
Perimeter 11675924
Area 8520450078361
Diagonal 4128062.5185094

Cube

Length = n
Surface area 51122700470166
Volume 2.4871031890184E+19
Space diagonal 5055823.3983282

Equilateral Triangle

Length = n
Perimeter 8756943
Area 3689463109768.9
Altitude 2527911.6991641

Triangular Pyramid

Length = n
Surface area 3689463109768.9
Volume 2.9310792174427E+18
Height 1376020.8395031