87991017 (number)

87991017 is an odd 8-digits composite number following 87991016 and preceding 87991018. In scientific notation, it is written as 8.7991017 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 56637840 positive integers (up to 87991017) that are relatively prime to 87991017.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7991017 × 10^7
Engineering notation 8.7991017 × 10^6

Prime Factorization of 87991017

Prime Factorization 3 × 29 × 1011391

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 87991017
Product of the distinct prime numbers

The prime factorization of 87991017 is 3 × 29 × 1011391. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87991017)

Multiplication

n×y
n×2 175982034
n×3 263973051
n×4 351964068
n×5 439955085

Division

n÷y
n÷2 43995508.5
n÷3 29330339
n÷3 21997754.25
n÷5 17598203.4

Exponentiation

ny
n2 7742419072694289
n3 6.8126332824657E+23
n4 5.994505309722E+31
n5 5.2746261861434E+39

Nth Root

y√n
2√n 9380.3527119187
3√n 444.7808827404
4√n 96.852220996313
5√n 38.804998185137

Divisors of 87991017

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 -87991016
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 87991017 can be divided by 8 positive divisors. The sum of these divisors (counting 87991017) is 1, the average is 0.125.

Base conversion 87991017

Base System Value
2 Binary 101001111101010001011101001
3 Ternary 20010120101222120
4 Quaternary 11033222023221
5 Quinary 140011203032
6 Senary 12421541453
8 Octal 517521351
10 Decimal 87991017
12 Duodecimal 25574889
16 Hexadecimal 53ea2e9
20 Vigesimal 179ihah
36 Base36 1gdyax

Cryptographic Hash Functions

md5 2e17a13429eb3ba630e9e0ca4ec487a0
sha1 b7c9810472a4440e81fb5e91b73def2373833b3f
sha256 0ad7ad17f86f7ca49cc4392f0f6b89fe1c3ad6193ebccc5a28bb182309d8178a
sha512 f3fe30c1c2a3caced5b4a8f8356a7e3157c5ceb9f414b70c0c73c9179bbd15063fda498199e22760840450bfa7b2efca4dbfb0cec2a29120ced402d0c73d386e
ripemd-160 cd546baafd81d92fe127dccae987fd6eeac5ddf3

87991017 as geometric shapes

Circle

Radius = n
Diameter 175982034
Circumference 552863865.17819
Area 2.432352687979E+16

Sphere

Radius = n
Volume 2.8536691562394E+24
Surface area 9.729410751916E+16
Circumference 552863865.17819

Square

Length = n
Perimeter 351964068
Area 7742419072694289
Diagonal 124438089.6084

Cube

Length = n
Surface area 46454514436165734
Volume 6.8126332824657E+23
Space diagonal 152404912.05366

Equilateral Triangle

Length = n
Perimeter 263973051
Area 3.3525658018492E+15
Altitude 76202456.026828

Triangular Pyramid

Length = n
Surface area 3.3525658018492E+15
Volume 8.0287653196144E+22
Height 41479363.202801