128528581 (number)

128528581 is an odd 9-digits prime number following 128528580 and preceding 128528582. In scientific notation, it is written as 1.28528581 × 10^8. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 128528580 positive integers (up to 128528581) that are relatively prime to 128528581.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28528581 × 10^8
Engineering notation 1.28528581 × 10^6

Prime Factorization of 128528581

Prime Factorization 128528581

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 128528581
Product of the distinct prime numbers

The prime factorization of 128528581 is 128528581. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 1, 73, 95, 909, 862, 3388, 8303, 64071, 56409, 487054, 679729, 3198009, 4478419, 28620418, 24354815, 333291714, 245205239, 181924850, 2163639131

Basic calculations (n = 128528581)

Multiplication

n×y
n×2 257057162
n×3 385585743
n×4 514114324
n×5 642642905

Division

n÷y
n÷2 64264290.5
n÷3 42842860.333333
n÷3 32132145.25
n÷5 25705716.2

Exponentiation

ny
n2 16519596133873561
n3 2.1232402497799E+24
n4 2.7289705642629E+32
n5 3.5075071421548E+40

Nth Root

y√n
2√n 11337.044632531
3√n 504.66118632148
4√n 106.47555885052
5√n 41.860069259202

Divisors of 128528581

1, 128528581

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 128528582
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 64264291
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 11337.044676634
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999844393
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128528581 can be divided by 2 positive divisors. The sum of these divisors (counting 128528581) is 128528582, the average is 64264291.

Base conversion 128528581

Base System Value
2 Binary 111101010010011000011000101
3 Ternary 22221211221001211
4 Quaternary 13222103003011
5 Quinary 230400403311
6 Senary 20430451421
8 Octal 752230305
10 Decimal 128528581
12 Duodecimal 37063b71
16 Hexadecimal 7a930c5
20 Vigesimal 2036191
36 Base36 24itad

Cryptographic Hash Functions

md5 29ee3dc14601d0d3c6d27f4bc2d7f1b1
sha1 99735e07bb8479e5afc2f6e73a284a4a9acd08bb
sha256 c937db49cb4e7ed098e58e2fc2d19cc17623efff3dc3a44907b54af5f5705ce6
sha512 9f8a1e393e994e7b7915889cb57287b03528590cfc157a5988dc0229ed0e9710685e9d51ebdb216be35b7cfffc1512de35f2db2224486a56869f548b8be2478e
ripemd-160 b689dbf481f164ba0c06a48add46a351bb669fc1

128528581 as geometric shapes

Circle

Radius = n
Diameter 257057162
Circumference 807568891.69184
Area 5.1897841854448E+16

Sphere

Radius = n
Volume 8.8938079606861E+24
Surface area 2.0759136741779E+17
Circumference 807568891.69184

Square

Length = n
Perimeter 514114324
Area 16519596133873561
Diagonal 181766862.40277

Cube

Length = n
Surface area 99117576803241366
Volume 2.1232402497799E+24
Space diagonal 222618032.51673

Equilateral Triangle

Length = n
Perimeter 385585743
Area 7.1531949560968E+15
Altitude 111309016.25837

Triangular Pyramid

Length = n
Surface area 7.1531949560968E+15
Volume 2.5022626311793E+23
Height 60588954.134256