2991985 (number)

2991985 is an odd 7-digits composite number following 2991984 and preceding 2991986. In scientific notation, it is written as 2.991985 × 10^6. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 2379504 positive integers (up to 2991985) that are relatively prime to 2991985.

Interesting facts

Basic properties

Name

Name two million nine hundred ninety-one thousand nine hundred eighty-five

Notation

Scientific notation 2.991985 × 10^6
Engineering notation 2.991985 × 10^6

Prime Factorization of 2991985

Prime Factorization 5 × 179 × 3343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2991985
Product of the distinct prime numbers

The prime factorization of 2991985 is 5 × 179 × 3343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2991985)

Multiplication

n×y
n×2 5983970
n×3 8975955
n×4 11967940
n×5 14959925

Division

n÷y
n÷2 1495992.5
n÷3 997328.33333333
n÷3 747996.25
n÷5 598397

Exponentiation

ny
n2 8951974240225
n3 2.678417264714E+19
n4 8.0137842797652E+25
n5 2.3977122358293E+32

Nth Root

y√n
2√n 1729.7355289176
3√n 144.09640214067
4√n 41.590089311249
5√n 19.73294395346

Divisors of 2991985

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 -2991984
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 2991985 can be divided by 8 positive divisors. The sum of these divisors (counting 2991985) is 1, the average is 0.125.

Base conversion 2991985

Base System Value
2 Binary 1011011010011101110001
3 Ternary 12122000020021
4 Quaternary 23122131301
5 Quinary 1231220420
6 Senary 144043441
8 Octal 13323561
10 Decimal 2991985
12 Duodecimal 1003581
16 Hexadecimal 2da771
20 Vigesimal idjj5
36 Base36 1s4mp

Cryptographic Hash Functions

md5 1bcf122bed1049bd5c5a9893c814d706
sha1 9e249467a83ff994147f7870f1cd7ed5664d9087
sha256 09fe69f08a395132483cb6e542edbc82d660cb89caa985ba874a138c573b4a21
sha512 6319c9a31aeffbd4fc7cf53f90820912716ff8d9b92824e37ff5aab6c8ef9c036e0c0e7019a8e202fd0935e709f7dede4c5cd83449bab19e326a9dcb007f4151
ripemd-160 179cf5ee5eb83b6db731bfeb88d32d1867c731e7

2991985 as geometric shapes

Circle

Radius = n
Diameter 5983970
Circumference 18799196.191302
Area 28123456508216

Sphere

Radius = n
Volume 1.1219328002765E+20
Surface area 1.1249382603286E+14
Circumference 18799196.191302

Square

Length = n
Perimeter 11967940
Area 8951974240225
Diagonal 4231305.7654169

Cube

Length = n
Surface area 53711845441350
Volume 2.678417264714E+19
Space diagonal 5182270.035484

Equilateral Triangle

Length = n
Perimeter 8975955
Area 3876318553029.4
Altitude 2591135.017742

Triangular Pyramid

Length = n
Surface area 3876318553029.4
Volume 3.1565450178773E+18
Height 1410435.255139