87128840 (number)

87128840 is an even 8-digits composite number following 87128839 and preceding 87128841. In scientific notation, it is written as 8.7128840 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors. There are 34259904 positive integers (up to 87128840) that are relatively prime to 87128840.

Interesting facts

Basic properties

Name

Name eighty-seven million one hundred twenty-eight thousand eight hundred forty

Notation

Scientific notation 8.7128840 × 10^7
Engineering notation 8.7128840 × 10^6

Prime Factorization of 87128840

Prime Factorization 2 × 2 × 2 × 5 × 59 × 36919

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 21782210
Product of the distinct prime numbers

The prime factorization of 87128840 is 2 × 2 × 2 × 5 × 59 × 36919. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 10, 92, 78, 27, 800, 1637, 4222, 61197, 56598, 54070, 123417, 8083068, 407401, 85632161, 91833078, 797207529, 218767352, 6183424556, 5196882678

Basic calculations (n = 87128840)

Multiplication

n×y
n×2 174257680
n×3 261386520
n×4 348515360
n×5 435644200

Division

n÷y
n÷2 43564420
n÷3 29042946.666667
n÷3 21782210
n÷5 17425768

Exponentiation

ny
n2 7591434759745600
n3 6.6143290455231E+23
n4 5.7629881711474E+31
n5 5.0212247428579E+39

Nth Root

y√n
2√n 9334.283046919
3√n 443.3233884491
4√n 96.614093417674
5√n 38.728652475416

Divisors of 87128840

1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 36919, 73838, 147676, 184595, 295352, 369190, 738380, 1476760, 2178221, 4356442, 8712884, 10891105, 17425768, 21782210, 43564420, 87128840

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87128839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87128840 can be divided by 32 positive divisors. The sum of these divisors (counting 87128840) is 1, the average is 0.03125.

Base conversion 87128840

Base System Value
2 Binary 101001100010111101100001000
3 Ternary 20001221121022002
4 Quaternary 11030113230020
5 Quinary 134301110330
6 Senary 12351250132
8 Octal 514275410
10 Decimal 87128840
12 Duodecimal 25219948
16 Hexadecimal 5317b08
20 Vigesimal 174b220
36 Base36 1fvh1k

Cryptographic Hash Functions

md5 e98a5afe00c520f34711d729c67e62eb
sha1 ffb259a2a1cb0f10a8b9e39bdbefb43b9d0a3910
sha256 b378d3f51af371e67b56635e3be702095d96177264038eb1300eb3bef011d106
sha512 cd13e0788496687b008319713160334feae470bb274df88fbe477ea37580c547fbce5787361f55cfa6fa773a5cfefce3951a2784ba69d4ebb14744fe40e582bc
ripemd-160 53625a01ae28e563a0226f99feca61dec1acaa38

87128840 as geometric shapes

Circle

Radius = n
Diameter 174257680
Circumference 547446647.3196
Area 2.3849195671423E+16

Sphere

Radius = n
Volume 2.7706036717121E+24
Surface area 9.5396782685692E+16
Circumference 547446647.3196

Square

Length = n
Perimeter 348515360
Area 7591434759745600
Diagonal 123218787.20184

Cube

Length = n
Surface area 45548608558473600
Volume 6.6143290455231E+23
Space diagonal 150911577.68454

Equilateral Triangle

Length = n
Perimeter 261386520
Area 3.287187676556E+15
Altitude 75455788.84227

Triangular Pyramid

Length = n
Surface area 3.287187676556E+15
Volume 7.7950615351476E+22
Height 41072929.067278