991002989 (number)

991002989 is an odd 9-digits composite number following 991002988 and preceding 991002990. In scientific notation, it is written as 9.91002989 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 990682140 positive integers (up to 991002989) that are relatively prime to 991002989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.91002989 × 10^8
Engineering notation 9.91002989 × 10^6

Prime Factorization of 991002989

Prime Factorization 3119 × 317731

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 991002989
Product of the distinct prime numbers

The prime factorization of 991002989 is 3119 × 317731. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 93, 40, 686, 825, 4191, 5568, 4274, 19145, 422822, 952946, 828261, 4960572, 39213470, 1662614, 569235961, 245051120, 4018993501, 5318206913

Basic calculations (n = 991002989)

Multiplication

n×y
n×2 1982005978
n×3 2973008967
n×4 3964011956
n×5 4955014945

Division

n÷y
n÷2 495501494.5
n÷3 330334329.66667
n÷3 247750747.25
n÷5 198200597.8

Exponentiation

ny
n2 982086924206934121
n3 9.7325107734689E+26
n4 9.6449472669824E+35
n5 9.5581715703269E+44

Nth Root

y√n
2√n 31480.199951716
3√n 996.99195708373
4√n 177.4266044079
5√n 62.981789036179

Divisors of 991002989

1, 3119, 317731, 991002989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -991002988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 991002989 can be divided by 4 positive divisors. The sum of these divisors (counting 991002989) is 1, the average is 0.25.

Base conversion 991002989

Base System Value
2 Binary 111011000100011000000101101101
3 Ternary 2120001202011112102
4 Quaternary 323010120011231
5 Quinary 4012144043424
6 Senary 242200344445
8 Octal 7304300555
10 Decimal 991002989
12 Duodecimal 237a75125
16 Hexadecimal 3b11816d
20 Vigesimal f9df799
36 Base36 ge0mst

Cryptographic Hash Functions

md5 dd0ca35ead3b20fea09f77b0099c0091
sha1 12cefea1e4f08caac214912d3247dd5715270058
sha256 0928b729727ad81410020bfccf6f16d28243fb23ef510cea195e68e8a5052081
sha512 9381f33670e3725c8fc6f1ac0c107f3bf9a877c7d1bb76357e8228c3cc37ac59eebc00535e58df47dab89a10845d6dd439c6a0cd7e74b8e3787911e32ceef4f0
ripemd-160 8f2b6e7da01fee4ed9e8a8bda15304962ad0e432

991002989 as geometric shapes

Circle

Radius = n
Diameter 1982005978
Circumference 6226655419.8559
Area 3.0853170662751E+18

Sphere

Radius = n
Volume 4.0767445795884E+27
Surface area 1.23412682651E+19
Circumference 6226655419.8559

Square

Length = n
Perimeter 3964011956
Area 982086924206934121
Diagonal 1401489867.3961

Cube

Length = n
Surface area 5892521545241604726
Volume 9.7325107734689E+26
Space diagonal 1716467527.4006

Equilateral Triangle

Length = n
Perimeter 2973008967
Area 4.2525611254386E+17
Altitude 858233763.70031

Triangular Pyramid

Length = n
Surface area 4.2525611254386E+17
Volume 1.1469873943152E+26
Height 467163289.13203