128540988 (number)

128540988 is an even 9-digits composite number following 128540987 and preceding 128540989. In scientific notation, it is written as 1.28540988 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 18 positive divisors. There are 42846984 positive integers (up to 128540988) that are relatively prime to 128540988.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred forty thousand nine hundred eighty-eight

Notation

Scientific notation 1.28540988 × 10^8
Engineering notation 1.28540988 × 10^6

Prime Factorization of 128540988

Prime Factorization 2 × 2 × 3 × 3 × 3570583

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21423498
Product of the distinct prime numbers

The prime factorization of 128540988 is 2 × 2 × 3 × 3 × 3570583. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 4, 26, 80, 407, 132, 8501, 1030, 78367, 39697, 477336, 979, 5245285, 6440640, 61981909, 10190225, 96362098, 720657418, 2324793155, 2054227527

Basic calculations (n = 128540988)

Multiplication

n×y
n×2 257081976
n×3 385622964
n×4 514163952
n×5 642704940

Division

n÷y
n÷2 64270494
n÷3 42846996
n÷3 32135247
n÷5 25708197.6

Exponentiation

ny
n2 16522785596016144
n3 2.1238551850241E+24
n4 2.7300244385192E+32
n5 3.509200385914E+40

Nth Root

y√n
2√n 11337.591807787
3√n 504.67742429188
4√n 106.47812830712
5√n 41.86087738736

Divisors of 128540988

1, 2, 3, 4, 6, 9, 12, 18, 36, 3570583, 7141166, 10711749, 14282332, 21423498, 32135247, 42846996, 64270494, 128540988

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128540987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128540988 can be divided by 18 positive divisors. The sum of these divisors (counting 128540988) is 1, the average is 0.055555555555556.

Base conversion 128540988

Base System Value
2 Binary 111101010010110000100111100
3 Ternary 22221212120002100
4 Quaternary 13222112010330
5 Quinary 230401302423
6 Senary 20431025100
8 Octal 752260474
10 Decimal 128540988
12 Duodecimal 3706b190
16 Hexadecimal 7a9613c
20 Vigesimal 2037c98
36 Base36 24j2v0

Cryptographic Hash Functions

md5 b191f93d9becfdea3a00d1b576fc216b
sha1 410d3a549eb16abf3caa6a93cd2f969d3a0e16b5
sha256 2db30208ea8f91a55c36b9ccba0113eb39abe7197680f1c3f6dfa1dd8670200a
sha512 d091af8aca175e0e29c9d6031f4f59fe871a848ea5e40b066d1d255371c61b263764e1b4493cf5193a40b6d6d73cf2f6ca621bc7ed8c2841428a5aed01443f75
ripemd-160 a08b81da5ed5fdeccc270946233efa96c91b0911

128540988 as geometric shapes

Circle

Radius = n
Diameter 257081976
Circumference 807646847.17195
Area 5.1907861845284E+16

Sphere

Radius = n
Volume 8.8963837954137E+24
Surface area 2.0763144738113E+17
Circumference 807646847.17195

Square

Length = n
Perimeter 514163952
Area 16522785596016144
Diagonal 181784408.55044

Cube

Length = n
Surface area 99136713576096864
Volume 2.1238551850241E+24
Space diagonal 222639522.0711

Equilateral Triangle

Length = n
Perimeter 385622964
Area 7.1545760337168E+15
Altitude 111319761.03555

Triangular Pyramid

Length = n
Surface area 7.1545760337168E+15
Volume 2.5029873393146E+23
Height 60594802.850146