128587672 (number)

128587672 is an even 9-digits composite number following 128587671 and preceding 128587673. In scientific notation, it is written as 1.28587672 × 10^8. The sum of its digits is 46. It has a total of 6 prime factors and 32 positive divisors. There are 63060480 positive integers (up to 128587672) that are relatively prime to 128587672.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred eighty-seven thousand six hundred seventy-two

Notation

Scientific notation 1.28587672 × 10^8
Engineering notation 1.28587672 × 10^6

Prime Factorization of 128587672

Prime Factorization 2 × 2 × 2 × 1381 × 113 × 103

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 32146918
Product of the distinct prime numbers

The prime factorization of 128587672 is 2 × 2 × 2 × 1381 × 113 × 103. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128587672)

Multiplication

n×y
n×2 257175344
n×3 385763016
n×4 514350688
n×5 642938360

Division

n÷y
n÷2 64293836
n÷3 42862557.333333
n÷3 32146918
n÷5 25717534.4

Exponentiation

ny
n2 16534789390379584
n3 2.1261700747192E+24
n4 2.7339926018421E+32
n5 3.515577439361E+40

Nth Root

y√n
2√n 11339.650435529
3√n 504.73851377929
4√n 106.48779477259
5√n 41.863917583945

Divisors of 128587672

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 -128587671
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 128587672 can be divided by 32 positive divisors. The sum of these divisors (counting 128587672) is 1, the average is 0.03125.

Base conversion 128587672

Base System Value
2 Binary 111101010100001011110011000
3 Ternary 22221221221010101
4 Quaternary 13222201132120
5 Quinary 230404301142
6 Senary 20432025144
8 Octal 752413630
10 Decimal 128587672
12 Duodecimal 370921b4
16 Hexadecimal 7aa1798
20 Vigesimal 203d93c
36 Base36 24k2vs

Cryptographic Hash Functions

md5 0c15abdc9217364213368eb575f467b7
sha1 a60b843a6bff2c502f81a396205bbd79d1190fdd
sha256 e5ffddad662e29ad6470605a5715958edddae68f96ad96172cb522c39d8a2f10
sha512 3922f0105cfb84893e38a088569c48193ffe93370b11e96bb688f95f2ddf6a2f7bcb238de0d6dde005f61f82c22f7908610edb3c290727e87e73f615ca1b1a33
ripemd-160 a26e7599d8c318707aea467195f387295848452d

128587672 as geometric shapes

Circle

Radius = n
Diameter 257175344
Circumference 807940171.39483
Area 5.1945572877471E+16

Sphere

Radius = n
Volume 8.9060803826938E+24
Surface area 2.0778229150988E+17
Circumference 807940171.39483

Square

Length = n
Perimeter 514350688
Area 16534789390379584
Diagonal 181850429.69638

Cube

Length = n
Surface area 99208736342277504
Volume 2.1261700747192E+24
Space diagonal 222720381.131

Equilateral Triangle

Length = n
Perimeter 385763016
Area 7.1597738291471E+15
Altitude 111360190.5655

Triangular Pyramid

Length = n
Surface area 7.1597738291471E+15
Volume 2.5057154629831E+23
Height 60616809.898794