87129968 (number)

87129968 is an even 8-digits composite number following 87129967 and preceding 87129969. In scientific notation, it is written as 8.7129968 × 10^7. The sum of its digits is 50. It has a total of 6 prime factors and 20 positive divisors. There are 42387264 positive integers (up to 87129968) that are relatively prime to 87129968.

Interesting facts

Basic properties

Name

Name eighty-seven million one hundred twenty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 8.7129968 × 10^7
Engineering notation 8.7129968 × 10^6

Prime Factorization of 87129968

Prime Factorization 2 × 2 × 2 × 2 × 37 × 147179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10891246
Product of the distinct prime numbers

The prime factorization of 87129968 is 2 × 2 × 2 × 2 × 37 × 147179. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 2, 54, 60, 421, 253, 5119, 8141, 37918, 99341, 807021, 412512, 417726, 3609673, 75305048, 19446765, 650277887, 914803238, 5003198007, 4637503304

Basic calculations (n = 87129968)

Multiplication

n×y
n×2 174259936
n×3 261389904
n×4 348519872
n×5 435649840

Division

n÷y
n÷2 43564984
n÷3 29043322.666667
n÷3 21782492
n÷5 17425993.6

Exponentiation

ny
n2 7591631323681024
n3 6.6145859430013E+23
n4 5.7632866154695E+31
n5 5.0215497838068E+39

Nth Root

y√n
2√n 9334.3434691466
3√n 443.32530157998
4√n 96.614406115996
5√n 38.728752753794

Divisors of 87129968

1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 147179, 294358, 588716, 1177432, 2354864, 5445623, 10891246, 21782492, 43564984, 87129968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87129967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87129968 can be divided by 20 positive divisors. The sum of these divisors (counting 87129968) is 1, the average is 0.05.

Base conversion 87129968

Base System Value
2 Binary 101001100010111111101110000
3 Ternary 20001221122211212
4 Quaternary 11030113331300
5 Quinary 134301124333
6 Senary 12351255252
8 Octal 514277560
10 Decimal 87129968
12 Duodecimal 2521a528
16 Hexadecimal 5317f70
20 Vigesimal 174b4i8
36 Base36 1fvhww

Cryptographic Hash Functions

md5 23c32bc622e72b17649561af429cb948
sha1 9c2775c2dac0a76d3420cf82a295fb9b54511722
sha256 b9d6d475485111bdf121101647a6a6fc52d0f24be531b406e1ab5d33fdae1acf
sha512 358c4358f27c83e741a77c6c33e54d4bf6aacd2753fb47bbd79acad8201d39f0ad81106baeb2a4011c691006447e4b69809fae31fb87996e3baab07f34793d14
ripemd-160 47816f427de7883907a664e14eb28a3da4e6b32c

87129968 as geometric shapes

Circle

Radius = n
Diameter 174259936
Circumference 547453734.75263
Area 2.3849813195238E+16

Sphere

Radius = n
Volume 2.7707112806761E+24
Surface area 9.5399252780954E+16
Circumference 547453734.75263

Square

Length = n
Perimeter 348519872
Area 7591631323681024
Diagonal 123220382.43473

Cube

Length = n
Surface area 45549787942086144
Volume 6.6145859430013E+23
Space diagonal 150913531.43785

Equilateral Triangle

Length = n
Perimeter 261389904
Area 3.2872727912367E+15
Altitude 75456765.718925

Triangular Pyramid

Length = n
Surface area 3.2872727912367E+15
Volume 7.795364291729E+22
Height 41073460.811578