128949587 (number)

128949587 is an odd 9-digits composite number following 128949586 and preceding 128949588. In scientific notation, it is written as 1.28949587 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 119030376 positive integers (up to 128949587) that are relatively prime to 128949587.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28949587 × 10^8
Engineering notation 1.28949587 × 10^6

Prime Factorization of 128949587

Prime Factorization 13 × 9919199

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128949587
Product of the distinct prime numbers

The prime factorization of 128949587 is 13 × 9919199. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 4, 36, 31, 900, 968, 4630, 7496, 49069, 82658, 426519, 962459, 472896, 6919188, 49529815, 16080507, 267891956, 63407455, 7161655814, 3811174429

Basic calculations (n = 128949587)

Multiplication

n×y
n×2 257899174
n×3 386848761
n×4 515798348
n×5 644747935

Division

n÷y
n÷2 64474793.5
n÷3 42983195.666667
n÷3 32237396.75
n÷5 25789917.4

Exponentiation

ny
n2 16627995987470569
n3 2.144173215222E+24
n4 2.7649025055934E+32
n5 3.5653303619153E+40

Nth Root

y√n
2√n 11355.597166156
3√n 505.21160559877
4√n 106.5626443279
5√n 41.887456622815

Divisors of 128949587

1, 13, 9919199, 128949587

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 -128949586
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 128949587 can be divided by 4 positive divisors. The sum of these divisors (counting 128949587) is 1, the average is 0.25.

Base conversion 128949587

Base System Value
2 Binary 111101011111001110101010011
3 Ternary 22222122022120122
4 Quaternary 13223321311103
5 Quinary 231002341322
6 Senary 20443500455
8 Octal 753716523
10 Decimal 128949587
12 Duodecimal 3722772b
16 Hexadecimal 7af9d53
20 Vigesimal 205idj7
36 Base36 24ru4z

Cryptographic Hash Functions

md5 f988f4d3769ac7aab025087035e7f5e9
sha1 7c610dbc9a35aa731ba4e9dba610bfaa83950816
sha256 23248981907ac53550dd82b855b97179ada013c021fcf578814cec6ebfe7bcc6
sha512 6117876df10fc309b077f3dbe2fc958f749c27c4f9f1fcfb0d431b665b9da22b9e2887a7d9a732fcfaef7f437bd006a7057ef758e594891f16eb31642c7bb466
ripemd-160 508feba4a0da1cd031bf57ee6379568b2a20da8a

128949587 as geometric shapes

Circle

Radius = n
Diameter 257899174
Circumference 810214150.40528
Area 5.2238390038158E+16

Sphere

Radius = n
Volume 8.9814917612872E+24
Surface area 2.0895356015263E+17
Circumference 810214150.40528

Square

Length = n
Perimeter 515798348
Area 16627995987470569
Diagonal 182362254.79781

Cube

Length = n
Surface area 99767975924823414
Volume 2.144173215222E+24
Space diagonal 223347236.29902

Equilateral Triangle

Length = n
Perimeter 386848761
Area 7.2001334695876E+15
Altitude 111673618.14951

Triangular Pyramid

Length = n
Surface area 7.2001334695876E+15
Volume 2.5269323675367E+23
Height 60787418.265936