991661 (number)

991661 is an odd 6-digits composite number following 991660 and preceding 991662. In scientific notation, it is written as 9.91661 × 10^5. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 848320 positive integers (up to 991661) that are relatively prime to 991661.

Interesting facts

Basic properties

Name

Name nine hundred ninety-one thousand six hundred sixty-one

Notation

Scientific notation 9.91661 × 10^5
Engineering notation 9.91661 × 10^3

Prime Factorization of 991661

Prime Factorization 17 × 11 × 5303

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 991661
Product of the distinct prime numbers

The prime factorization of 991661 is 17 × 11 × 5303. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 991661)

Multiplication

n×y
n×2 1983322
n×3 2974983
n×4 3966644
n×5 4958305

Division

n÷y
n÷2 495830.5
n÷3 330553.66666667
n÷3 247915.25
n÷5 198332.2

Exponentiation

ny
n2 983391538921
n3 975191036877937781
n4 9.6705891882141E+23
n5 9.5899461449736E+29

Nth Root

y√n
2√n 995.82177120206
3√n 99.721257079096
4√n 31.556643852001
5√n 15.822410462799

Divisors of 991661

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 -991660
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 991661 can be divided by 8 positive divisors. The sum of these divisors (counting 991661) is 1, the average is 0.125.

Base conversion 991661

Base System Value
2 Binary 11110010000110101101
3 Ternary 1212101022012
4 Quaternary 3302012231
5 Quinary 223213121
6 Senary 33131005
8 Octal 3620655
10 Decimal 991661
12 Duodecimal 3b9a65
16 Hexadecimal f21ad
20 Vigesimal 63j31
36 Base36 l965

Cryptographic Hash Functions

md5 62bb834802aa17517af7ed3fa603dd3c
sha1 b23e5daf96dc019a509d3cb6bd61329e9f726eee
sha256 ba6a0e92cf2a57b5b10fe70fc41e20f06bb544d83ee25f7c0df470d1ef77cfe0
sha512 238614a3539bcd2402f69d127f935c89b25b59bab93071cbec7dc9a07ce9972e18d9dcd170bf837000390e80112eb0d063cacb87637786cc9755166945976f4c
ripemd-160 a57fe7eeecdd15452b22a9252d0e2e5d6c7f4576

991661 as geometric shapes

Circle

Radius = n
Diameter 1983322
Circumference 6230789.824903
Area 3089415634276.6

Sphere

Radius = n
Volume 4.0848706630698E+18
Surface area 12357662537106
Circumference 6230789.824903

Square

Length = n
Perimeter 3966644
Area 983391538921
Diagonal 1402420.4354765

Cube

Length = n
Surface area 5900349233526
Volume 975191036877937781
Space diagonal 1717607.2358846

Equilateral Triangle

Length = n
Perimeter 2974983
Area 425821027286.13
Altitude 858803.61794228

Triangular Pyramid

Length = n
Surface area 425821027286.13
Volume 1.1492736585479E+17
Height 467473.47849216