991006987 (number)

991006987 is an odd 9-digits composite number following 991006986 and preceding 991006988. In scientific notation, it is written as 9.91006987 × 10^8. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 990913096 positive integers (up to 991006987) that are relatively prime to 991006987.

Interesting facts

Basic properties

Name

Name nine hundred ninety-one million six thousand nine hundred eighty-seven

Notation

Scientific notation 9.91006987 × 10^8
Engineering notation 9.91006987 × 10^6

Prime Factorization of 991006987

Prime Factorization 12119 × 81773

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 991006987
Product of the distinct prime numbers

The prime factorization of 991006987 is 12119 × 81773. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 88, 37, 440, 648, 9647, 524, 68982, 92313, 504984, 525455, 6073643, 3916140, 52029446, 26329973, 519544708, 905536534, 9415606720, 371816335

Basic calculations (n = 991006987)

Multiplication

n×y
n×2 1982013974
n×3 2973020961
n×4 3964027948
n×5 4955034935

Division

n÷y
n÷2 495503493.5
n÷3 330335662.33333
n÷3 247751746.75
n÷5 198201397.4

Exponentiation

ny
n2 982094848282818169
n3 9.7326285654498E+26
n4 9.6451029102365E+35
n5 9.5583643743784E+44

Nth Root

y√n
2√n 31480.263451884
3√n 996.99329780235
4√n 177.42678335551
5√n 62.981839853541

Divisors of 991006987

1, 12119, 81773, 991006987

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 -991006986
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 991006987 can be divided by 4 positive divisors. The sum of these divisors (counting 991006987) is 1, the average is 0.25.

Base conversion 991006987

Base System Value
2 Binary 111011000100011001000100001011
3 Ternary 2120001202101000111
4 Quaternary 323010121010023
5 Quinary 4012144210422
6 Senary 242200415151
8 Octal 7304310413
10 Decimal 991006987
12 Duodecimal 237a774b7
16 Hexadecimal 3b11910b
20 Vigesimal f9dfh97
36 Base36 ge0pvv

Cryptographic Hash Functions

md5 1265a66db4c246cc8cfb6f33231fe0ac
sha1 a662deab6b84258342801a196323b9cab5c2d84b
sha256 3b1d74d228f5eec210a234b02503f8fbe89a666970f0d759e14686f813ea0265
sha512 c620ed7df9e33f8607096fdd21f6a57244d8d28cc21cd4d8b3e725e147abaf44692e68038b7ea663449fb4cf5593207b522348767e5ad178a47ec1e263554f27
ripemd-160 823770153452d7a0d2fc2abc82d883b330239640

991006987 as geometric shapes

Circle

Radius = n
Diameter 1982013974
Circumference 6226680540.0307
Area 3.0853419604937E+18

Sphere

Radius = n
Volume 4.076793920178E+27
Surface area 1.2341367841975E+19
Circumference 6226680540.0307

Square

Length = n
Perimeter 3964027948
Area 982094848282818169
Diagonal 1401495521.4219

Cube

Length = n
Surface area 5892569089696909014
Volume 9.7326285654498E+26
Space diagonal 1716474452.1397

Equilateral Triangle

Length = n
Perimeter 2973020961
Area 4.2525954376937E+17
Altitude 858237226.06987

Triangular Pyramid

Length = n
Surface area 4.2525954376937E+17
Volume 1.1470012762332E+26
Height 467165173.8073