87201991 (number)

87201991 is an odd 8-digits composite number following 87201990 and preceding 87201992. In scientific notation, it is written as 8.7201991 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 87166984 positive integers (up to 87201991) that are relatively prime to 87201991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7201991 × 10^7
Engineering notation 8.7201991 × 10^6

Prime Factorization of 87201991

Prime Factorization 2699 × 32309

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87201991
Product of the distinct prime numbers

The prime factorization of 87201991 is 2699 × 32309. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87201991)

Multiplication

n×y
n×2 174403982
n×3 261605973
n×4 348807964
n×5 436009955

Division

n÷y
n÷2 43600995.5
n÷3 29067330.333333
n÷3 21800497.75
n÷5 17440398.2

Exponentiation

ny
n2 7604187234364081
n3 6.6310026677333E+23
n4 5.7823663495266E+31
n5 5.0423385837012E+39

Nth Root

y√n
2√n 9338.2006296716
3√n 443.44742115654
4√n 96.634365676356
5√n 38.735153396854

Divisors of 87201991

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 -87201990
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 87201991 can be divided by 4 positive divisors. The sum of these divisors (counting 87201991) is 1, the average is 0.25.

Base conversion 87201991

Base System Value
2 Binary 101001100101001100011000111
3 Ternary 20002002022122101
4 Quaternary 11030221203013
5 Quinary 134310430431
6 Senary 12353012531
8 Octal 514514307
10 Decimal 87201991
12 Duodecimal 25254147
16 Hexadecimal 53298c7
20 Vigesimal 17504jb
36 Base36 1fx1hj

Cryptographic Hash Functions

md5 c9be861967c6e94ade46e3c60865e889
sha1 dd0266d9657379fbd0336934c5648f4e1ff46c9f
sha256 505e7a0e42f670bcc0766bdf8c2d67c594138539f4950b663166027928732cf8
sha512 360a17dfda06beb1f26dda551da5fdcd22abfd791ef3a68a96ad538d4c121f11dd7444c94f1215af62026c4615a5b4b91931d6a353953693ec99af08eafb3b7e
ripemd-160 ee472e3716610f09e1c18e92f9166cfc038e9ad4

87201991 as geometric shapes

Circle

Radius = n
Diameter 174403982
Circumference 547906268.60801
Area 2.3889258751999E+16

Sphere

Radius = n
Volume 2.7775879022514E+24
Surface area 9.5557035007998E+16
Circumference 547906268.60801

Square

Length = n
Perimeter 348807964
Area 7604187234364081
Diagonal 123322238.33814

Cube

Length = n
Surface area 45625123406184486
Volume 6.6310026677333E+23
Space diagonal 151038278.93316

Equilateral Triangle

Length = n
Perimeter 261605973
Area 3.2927096600463E+15
Altitude 75519139.466582

Triangular Pyramid

Length = n
Surface area 3.2927096600463E+15
Volume 7.8147115873672E+22
Height 41107412.779379