128535985 (number)

128535985 is an odd 9-digits composite number following 128535984 and preceding 128535986. In scientific notation, it is written as 1.28535985 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 102828784 positive integers (up to 128535985) that are relatively prime to 128535985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28535985 × 10^8
Engineering notation 1.28535985 × 10^6

Prime Factorization of 128535985

Prime Factorization 5 × 25707197

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128535985
Product of the distinct prime numbers

The prime factorization of 128535985 is 5 × 25707197. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 67, 85, 350, 870, 679, 7982, 63156, 22926, 931798, 618141, 2038640, 2465334, 50274514, 98356855, 177997576, 222285895, 1684026085, 9967193344

Basic calculations (n = 128535985)

Multiplication

n×y
n×2 257071970
n×3 385607955
n×4 514143940
n×5 642679925

Division

n÷y
n÷2 64267992.5
n÷3 42845328.333333
n÷3 32133996.25
n÷5 25707197

Exponentiation

ny
n2 16521499439920225
n3 2.1236072041871E+24
n4 2.7295994374328E+32
n5 3.5085175234588E+40

Nth Root

y√n
2√n 11337.371167956
3√n 504.67087661669
4√n 106.47709222155
5√n 41.860551525184

Divisors of 128535985

1, 5, 25707197, 128535985

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128535984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128535985 can be divided by 4 positive divisors. The sum of these divisors (counting 128535985) is 1, the average is 0.25.

Base conversion 128535985

Base System Value
2 Binary 111101010010100110110110001
3 Ternary 22221212022020001
4 Quaternary 13222110312301
5 Quinary 230401122420
6 Senary 20430550001
8 Octal 752246661
10 Decimal 128535985
12 Duodecimal 37068301
16 Hexadecimal 7a94db1
20 Vigesimal 2036jj5
36 Base36 24iz01

Cryptographic Hash Functions

md5 09af065bd3b91e7152ec175b8267e9a2
sha1 ec328d1f9b76f388349e07f229718c3283303f61
sha256 c6bf3a20cad12bf5d44579e940d2185f016b355e25781cd8c2935beee68cffdd
sha512 13d446288237bd6daaf9f012e46903940e8fe24b25258faa0ad2f0b2f055b1312937517907287a14ffbee628e001136bc88518485df0124f6d4d2cdaa3745ff3
ripemd-160 3cf8b680e4e4de31ece8943a0325657226b62136

128535985 as geometric shapes

Circle

Radius = n
Diameter 257071970
Circumference 807615412.39586
Area 5.1903821266741E+16

Sphere

Radius = n
Volume 8.8953450557127E+24
Surface area 2.0761528506697E+17
Circumference 807615412.39586

Square

Length = n
Perimeter 514143940
Area 16521499439920225
Diagonal 181777333.23998

Cube

Length = n
Surface area 99128996639521350
Volume 2.1236072041871E+24
Space diagonal 222630856.62091

Equilateral Triangle

Length = n
Perimeter 385607955
Area 7.1540191117906E+15
Altitude 111315428.31046

Triangular Pyramid

Length = n
Surface area 7.1540191117906E+15
Volume 2.5026950910955E+23
Height 60592444.413328