87942865 (number)

87942865 is an odd 8-digits composite number following 87942864 and preceding 87942866. In scientific notation, it is written as 8.7942865 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 70354288 positive integers (up to 87942865) that are relatively prime to 87942865.

Interesting facts

Basic properties

Name

Name eighty-seven million nine hundred forty-two thousand eight hundred sixty-five

Notation

Scientific notation 8.7942865 × 10^7
Engineering notation 8.7942865 × 10^6

Prime Factorization of 87942865

Prime Factorization 5 × 17588573

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87942865
Product of the distinct prime numbers

The prime factorization of 87942865 is 5 × 17588573. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87942865)

Multiplication

n×y
n×2 175885730
n×3 263828595
n×4 351771460
n×5 439714325

Division

n÷y
n÷2 43971432.5
n÷3 29314288.333333
n÷3 21985716.25
n÷5 17588573

Exponentiation

ny
n2 7733947504408225
n3 6.8014550129726E+23
n4 5.9813944000942E+31
n5 5.2602096023924E+39

Nth Root

y√n
2√n 9377.7857194542
3√n 444.69973431665
4√n 96.838967980118
5√n 38.800750143724

Divisors of 87942865

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 -87942864
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 87942865 can be divided by 4 positive divisors. The sum of these divisors (counting 87942865) is 1, the average is 0.25.

Base conversion 87942865

Base System Value
2 Binary 101001111011110011011010001
3 Ternary 20010110221221011
4 Quaternary 11033132123101
5 Quinary 140003132430
6 Senary 12420530521
8 Octal 517363321
10 Decimal 87942865
12 Duodecimal 25550a41
16 Hexadecimal 53de6d1
20 Vigesimal 179ch35
36 Base36 1gcx5d

Cryptographic Hash Functions

md5 bc77ecb9f6391c30de14417396f1fa52
sha1 e94cfb20f65e520fd89fabdf883c95ec23d32c25
sha256 c307d7b08fe003c16406a9fb9d4db15d0edec682e0b7a7d72988fde141fad709
sha512 5f0e9fb110e942cb0ca144dd14bee4a7cbe77444f147346f6622cde90b58ba0a9d14b787acf0cb4846ee4786fdc9f67e15017d92d56cff2790d9195216b75c59
ripemd-160 14e88592e51adeb7fd7ce80267347284fefde67a

87942865 as geometric shapes

Circle

Radius = n
Diameter 175885730
Circumference 552561317.23928
Area 2.4296912663098E+16

Sphere

Radius = n
Volume 2.8489868136635E+24
Surface area 9.7187650652392E+16
Circumference 552561317.23928

Square

Length = n
Perimeter 351771460
Area 7733947504408225
Diagonal 124369992.39695

Cube

Length = n
Surface area 46403685026449350
Volume 6.8014550129726E+23
Space diagonal 152321510.34317

Equilateral Triangle

Length = n
Perimeter 263828595
Area 3.3488975051764E+15
Altitude 76160755.171585

Triangular Pyramid

Length = n
Surface area 3.3488975051764E+15
Volume 8.0155916026803E+22
Height 41456664.132315