87012805 (number)

87012805 is an odd 8-digits composite number following 87012804 and preceding 87012806. In scientific notation, it is written as 8.7012805 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 63172480 positive integers (up to 87012805) that are relatively prime to 87012805.

Interesting facts

Basic properties

Name

Name eighty-seven million twelve thousand eight hundred five

Notation

Scientific notation 8.7012805 × 10^7
Engineering notation 8.7012805 × 10^6

Prime Factorization of 87012805

Prime Factorization 11 × 5 × 1913 × 827

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 87012805
Product of the distinct prime numbers

The prime factorization of 87012805 is 11 × 5 × 1913 × 827. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 72, 77, 627, 237, 1274, 7638, 48095, 79362, 336866, 609649, 6878151, 1137626, 4470767, 15806339, 19939199, 937186828, 9459615277, 9175700222

Basic calculations (n = 87012805)

Multiplication

n×y
n×2 174025610
n×3 261038415
n×4 348051220
n×5 435064025

Division

n÷y
n÷2 43506402.5
n÷3 29004268.333333
n÷3 21753201.25
n÷5 17402561

Exponentiation

ny
n2 7571228233968025
n3 6.5879380593275E+23
n4 5.7323496970835E+31
n5 4.9878782638413E+39

Nth Root

y√n
2√n 9328.0654478836
3√n 443.12650039975
4√n 96.581910562401
5√n 38.718331495547

Divisors of 87012805

1, 5, 11, 55, 827, 1913, 4135, 9097, 9565, 21043, 45485, 105215, 1582051, 7910255, 17402561, 87012805

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 -87012804
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 87012805 can be divided by 16 positive divisors. The sum of these divisors (counting 87012805) is 1, the average is 0.0625.

Base conversion 87012805

Base System Value
2 Binary 101001011111011010111000101
3 Ternary 20001201201010111
4 Quaternary 11023323113011
5 Quinary 134233402210
6 Senary 12344553021
8 Octal 513732705
10 Decimal 87012805
12 Duodecimal 25182771
16 Hexadecimal 52fb5c5
20 Vigesimal 173gc05
36 Base36 1fszid

Cryptographic Hash Functions

md5 7cdb464da59d03ae4e898cf0f428cd42
sha1 8c5daed51c80cb828d1804191e14cc6ec41f2d4a
sha256 65c56ff1a9e164c0ab90a4c8dc05cad745c2e86b51c468bc200ad418bbe24853
sha512 9537055faa5ce3e7d4e7c9aef50ecf01c981145c4b169f82501d1dd85010f213655691098b3db886f1a537db2ff59a842cab347b0bcea2451c665253d3a874f1
ripemd-160 11434527c560555522a0175664d0769da04ea066

87012805 as geometric shapes

Circle

Radius = n
Diameter 174025610
Circumference 546717577.91248
Area 2.3785714998486E+16

Sphere

Radius = n
Volume 2.7595490412651E+24
Surface area 9.5142859993942E+16
Circumference 546717577.91248

Square

Length = n
Perimeter 348051220
Area 7571228233968025
Diagonal 123054688.93113

Cube

Length = n
Surface area 45427369403808150
Volume 6.5879380593275E+23
Space diagonal 150710599.16908

Equilateral Triangle

Length = n
Perimeter 261038415
Area 3.2784379942332E+15
Altitude 75355299.584542

Triangular Pyramid

Length = n
Surface area 3.2784379942332E+15
Volume 7.7639594596457E+22
Height 41018229.643708