991006988 (number)

991006988 is an even 9-digits composite number following 991006987 and preceding 991006989. In scientific notation, it is written as 9.91006988 × 10^8. The sum of its digits is 50. It has a total of 3 prime factors and 6 positive divisors. There are 495503492 positive integers (up to 991006988) that are relatively prime to 991006988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.91006988 × 10^8
Engineering notation 9.91006988 × 10^6

Prime Factorization of 991006988

Prime Factorization 2 × 2 × 247751747

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 495503494
Product of the distinct prime numbers

The prime factorization of 991006988 is 2 × 2 × 247751747. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 20, 97, 323, 116, 5690, 2407, 16728, 42278, 866519, 742805, 5016749, 5131781, 24386126, 87733020, 597492654, 711027160, 7413330309, 2728859655

Basic calculations (n = 991006988)

Multiplication

n×y
n×2 1982013976
n×3 2973020964
n×4 3964027952
n×5 4955034940

Division

n÷y
n÷2 495503494
n÷3 330335662.66667
n÷3 247751747
n÷5 198201397.6

Exponentiation

ny
n2 982094850264832144
n3 9.7326285949126E+26
n4 9.645102949167E+35
n5 9.5583644226039E+44

Nth Root

y√n
2√n 31480.263467767
3√n 996.9932981377
4√n 177.42678340027
5√n 62.981839866252

Divisors of 991006988

1, 2, 4, 247751747, 495503494, 991006988

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -991006987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 991006988 can be divided by 6 positive divisors. The sum of these divisors (counting 991006988) is 1, the average is 0.16666666666667.

Base conversion 991006988

Base System Value
2 Binary 111011000100011001000100001100
3 Ternary 2120001202101000112
4 Quaternary 323010121010030
5 Quinary 4012144210423
6 Senary 242200415152
8 Octal 7304310414
10 Decimal 991006988
12 Duodecimal 237a774b8
16 Hexadecimal 3b11910c
20 Vigesimal f9dfh98
36 Base36 ge0pvw

Cryptographic Hash Functions

md5 e00f2e59af886dfeaf4248f5287b3a9e
sha1 e8da89fba40c1e3e4ca5cb7fda9409a954fc4a25
sha256 8645c858419763ce87ba5c5113546f4c2803326eaf21cc9a7c723d06d49e9272
sha512 d9ad5ba358e5edd5b4d7325217a674ab9ae1da54aa403be0ccdac72bb0e4bdc83861d73bb4d96eda7878b364adc9e254586f957fc8583cfadb4f3268ae6493f9
ripemd-160 166528f9d4adb680437820c249a08b9b235ae4f9

991006988 as geometric shapes

Circle

Radius = n
Diameter 1982013976
Circumference 6226680546.3139
Area 3.0853419667204E+18

Sphere

Radius = n
Volume 4.0767939325194E+27
Surface area 1.2341367866881E+19
Circumference 6226680546.3139

Square

Length = n
Perimeter 3964027952
Area 982094850264832144
Diagonal 1401495522.8361

Cube

Length = n
Surface area 5892569101588992864
Volume 9.7326285949126E+26
Space diagonal 1716474453.8718

Equilateral Triangle

Length = n
Perimeter 2973020964
Area 4.2525954462761E+17
Altitude 858237226.9359

Triangular Pyramid

Length = n
Surface area 4.2525954462761E+17
Volume 1.1470012797055E+26
Height 467165174.2787