128488971 (number)

128488971 is an odd 9-digits composite number following 128488970 and preceding 128488972. In scientific notation, it is written as 1.28488971 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 75631776 positive integers (up to 128488971) that are relatively prime to 128488971.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred eighty-eight thousand nine hundred seventy-one

Notation

Scientific notation 1.28488971 × 10^8
Engineering notation 1.28488971 × 10^6

Prime Factorization of 128488971

Prime Factorization 3 × 23 × 13 × 143243

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128488971
Product of the distinct prime numbers

The prime factorization of 128488971 is 3 × 23 × 13 × 143243. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128488971)

Multiplication

n×y
n×2 256977942
n×3 385466913
n×4 513955884
n×5 642444855

Division

n÷y
n÷2 64244485.5
n÷3 42829657
n÷3 32122242.75
n÷5 25697794.2

Exponentiation

ny
n2 16509415668638841
n3 2.1212778310747E+24
n4 2.725608057199E+32
n5 3.5021057461881E+40

Nth Root

y√n
2√n 11335.29756998
3√n 504.60933875249
4√n 106.46735448005
5√n 41.857488849829

Divisors of 128488971

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 -128488970
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 128488971 can be divided by 16 positive divisors. The sum of these divisors (counting 128488971) is 1, the average is 0.0625.

Base conversion 128488971

Base System Value
2 Binary 111101010001001011000001011
3 Ternary 22221202220201210
4 Quaternary 13222021120023
5 Quinary 230343121341
6 Senary 20425544203
8 Octal 752113013
10 Decimal 128488971
12 Duodecimal 37045063
16 Hexadecimal 7a8960b
20 Vigesimal 203128b
36 Base36 24hyq3

Cryptographic Hash Functions

md5 9013137165b997247ae77180ef79b8c7
sha1 cd8b748fc6cc99b6457a356ddfe9e6916193d586
sha256 cbb21887b2b61d8c89476f755a29ff13d0f747df4f7c576a0df80a188466e16d
sha512 2ccfadfbaa07d7ceb0a6a321068cc7155d3b822d7fe3c34ee6cd9907fea21dc0581a7c31e6ab134d5458bfc3bed80aff946321f7e6c7a37a655413fa75f8b7f4
ripemd-160 5b423d8e965e1a9b07a4417f1cd352565e7ce05e

128488971 as geometric shapes

Circle

Radius = n
Diameter 256977942
Circumference 807320014.72182
Area 5.1865858979656E+16

Sphere

Radius = n
Volume 8.8855878004361E+24
Surface area 2.0746343591862E+17
Circumference 807320014.72182

Square

Length = n
Perimeter 513955884
Area 16509415668638841
Diagonal 181710845.40356

Cube

Length = n
Surface area 99056494011833046
Volume 2.1212778310747E+24
Space diagonal 222549425.98424

Equilateral Triangle

Length = n
Perimeter 385466913
Area 7.148786685339E+15
Altitude 111274712.99212

Triangular Pyramid

Length = n
Surface area 7.148786685339E+15
Volume 2.499949898556E+23
Height 60570281.801188