8201991 (number)

8201991 is an odd 7-digits composite number following 8201990 and preceding 8201992. In scientific notation, it is written as 8.201991 × 10^6. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 4620000 positive integers (up to 8201991) that are relatively prime to 8201991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.201991 × 10^6
Engineering notation 8.201991 × 10^6

Prime Factorization of 8201991

Prime Factorization 3 × 7 × 71 × 5501

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 8201991
Product of the distinct prime numbers

The prime factorization of 8201991 is 3 × 7 × 71 × 5501. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 8201991)

Multiplication

n×y
n×2 16403982
n×3 24605973
n×4 32807964
n×5 41009955

Division

n÷y
n÷2 4100995.5
n÷3 2733997
n÷3 2050497.75
n÷5 1640398.2

Exponentiation

ny
n2 67272656364081
n3 5.5176972204429E+20
n4 4.5256102942797E+27
n5 3.711901490319E+34

Nth Root

y√n
2√n 2863.9118352352
3√n 201.6692869758
4√n 53.515528916709
5√n 24.142589922991

Divisors of 8201991

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -8201990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 8201991 can be divided by 16 positive divisors. The sum of these divisors (counting 8201991) is 1, the average is 0.0625.

Base conversion 8201991

Base System Value
2 Binary 11111010010011100000111
3 Ternary 120102201000110
4 Quaternary 133102130013
5 Quinary 4044430431
6 Senary 451444103
8 Octal 37223407
10 Decimal 8201991
12 Duodecimal 28b6633
16 Hexadecimal 7d2707
20 Vigesimal 2b54jb
36 Base36 4vsp3

Cryptographic Hash Functions

md5 9efb74ef0d02f5dc29ac1327262316e0
sha1 12edc064421a4c2bb75b153165d3c6e58ea2db0f
sha256 dfb57c153bafabff48cb26ea99ba04d2f04871173a58fb9e981971a4e9244959
sha512 806fc66cec19f8d49e27b9462a387bd4c047407e14ca7e7b52f64cbddc0d400bb3537ef68c50bd65541a8331d7ae192e6379f22f9c9fae1c3299a01c8c940e8e
ripemd-160 be8b16f8dfda2c02739d1c872e494b9a8302e7d0

8201991 as geometric shapes

Circle

Radius = n
Diameter 16403982
Circumference 51534629.340819
Area 2.1134328302087E+14

Sphere

Radius = n
Volume 2.3112476069968E+21
Surface area 8.4537313208347E+14
Circumference 51534629.340819

Square

Length = n
Perimeter 32807964
Area 67272656364081
Diagonal 11599366.910662

Cube

Length = n
Surface area 403635938184486
Volume 5.5176972204429E+20
Space diagonal 14206265.135223

Equilateral Triangle

Length = n
Perimeter 24605973
Area 29129914695678
Altitude 7103132.5676113

Triangular Pyramid

Length = n
Surface area 29129914695678
Volume 6.5026685351822E+19
Height 3866455.6368874