991006989 (number)

991006989 is an odd 9-digits composite number following 991006988 and preceding 991006990. In scientific notation, it is written as 9.91006989 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 566289696 positive integers (up to 991006989) that are relatively prime to 991006989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.91006989 × 10^8
Engineering notation 9.91006989 × 10^6

Prime Factorization of 991006989

Prime Factorization 3 × 7 × 47190809

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 991006989
Product of the distinct prime numbers

The prime factorization of 991006989 is 3 × 7 × 47190809. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 70, 89, 137, 933, 4389, 3279, 27893, 37281, 360858, 803879, 2737830, 8769819, 84776058, 31359938, 804268075, 713205757, 4832611498, 2255351069

Basic calculations (n = 991006989)

Multiplication

n×y
n×2 1982013978
n×3 2973020967
n×4 3964027956
n×5 4955034945

Division

n÷y
n÷2 495503494.5
n÷3 330335663
n÷3 247751747.25
n÷5 198201397.8

Exponentiation

ny
n2 982094852246846121
n3 9.7326286243755E+26
n4 9.6451029880975E+35
n5 9.5583644708295E+44

Nth Root

y√n
2√n 31480.26348365
3√n 996.99329847304
4√n 177.42678344503
5√n 62.981839878962

Divisors of 991006989

1, 3, 7, 21, 47190809, 141572427, 330335663, 991006989

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 -991006988
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 991006989 can be divided by 8 positive divisors. The sum of these divisors (counting 991006989) is 1, the average is 0.125.

Base conversion 991006989

Base System Value
2 Binary 111011000100011001000100001101
3 Ternary 2120001202101000120
4 Quaternary 323010121010031
5 Quinary 4012144210424
6 Senary 242200415153
8 Octal 7304310415
10 Decimal 991006989
12 Duodecimal 237a774b9
16 Hexadecimal 3b11910d
20 Vigesimal f9dfh99
36 Base36 ge0pvx

Cryptographic Hash Functions

md5 1f6cd2cbd7447186ae8a3b4ccc07ec84
sha1 4a16e71c4b3042dcd2d78312ef73a59dbca1ba29
sha256 b9ee7bca23a77e2db30cb723a1a7c38d34ece2cde6cc65c6eb1dbca987169a55
sha512 d1602b073e25a03946e38b37ce9e29c9b64d31d87ea722d18d48c558484069a990f2569b16ef37ef964bce0d14b2ccbd50a17f081619952698686f7101178b06
ripemd-160 2cf1a03e342bef1f9a961ace36f08f6545a0a654

991006989 as geometric shapes

Circle

Radius = n
Diameter 1982013978
Circumference 6226680552.5971
Area 3.085341972947E+18

Sphere

Radius = n
Volume 4.0767939448608E+27
Surface area 1.2341367891788E+19
Circumference 6226680552.5971

Square

Length = n
Perimeter 3964027956
Area 982094852246846121
Diagonal 1401495524.2503

Cube

Length = n
Surface area 5892569113481076726
Volume 9.7326286243755E+26
Space diagonal 1716474455.6039

Equilateral Triangle

Length = n
Perimeter 2973020967
Area 4.2525954548585E+17
Altitude 858237227.80193

Triangular Pyramid

Length = n
Surface area 4.2525954548585E+17
Volume 1.1470012831777E+26
Height 467165174.75011