128522981 (number)

128522981 is an odd 9-digits composite number following 128522980 and preceding 128522982. In scientific notation, it is written as 1.28522981 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 128482464 positive integers (up to 128522981) that are relatively prime to 128522981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28522981 × 10^8
Engineering notation 1.28522981 × 10^6

Prime Factorization of 128522981

Prime Factorization 37049 × 3469

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128522981
Product of the distinct prime numbers

The prime factorization of 128522981 is 37049 × 3469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 7, 84, 47, 444, 118, 1679, 9832, 78251, 40764, 804962, 861932, 4082888, 7824453, 51446773, 64969312, 894906389, 640020420, 5078596942, 9600396673

Basic calculations (n = 128522981)

Multiplication

n×y
n×2 257045962
n×3 385568943
n×4 514091924
n×5 642614905

Division

n÷y
n÷2 64261490.5
n÷3 42840993.666667
n÷3 32130745.25
n÷5 25704596.2

Exponentiation

ny
n2 16518156645126361
n3 2.1229627326566E+24
n4 2.7284949895293E+32
n5 3.5067430969787E+40

Nth Root

y√n
2√n 11336.797651894
3√n 504.65385683968
4√n 106.47439904453
5√n 41.859704483568

Divisors of 128522981

1, 3469, 37049, 128522981

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 -128522980
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 128522981 can be divided by 4 positive divisors. The sum of these divisors (counting 128522981) is 1, the average is 0.25.

Base conversion 128522981

Base System Value
2 Binary 111101010010001101011100101
3 Ternary 22221211122101102
4 Quaternary 13222101223211
5 Quinary 230400213411
6 Senary 20430405445
8 Octal 752215345
10 Decimal 128522981
12 Duodecimal 37060885
16 Hexadecimal 7a91ae5
20 Vigesimal 2035791
36 Base36 24ioyt

Cryptographic Hash Functions

md5 7617c23696d9f6ee14a601c476f2f069
sha1 9ae5746705d72ab11c16e422b1ab4ffae9738534
sha256 ae73d1f72825895ffe003f3e7f8c56b6a839c5882bb595c2798e6b9ccbd77de3
sha512 61d9d59acce37c392e734a106f8f1d2c22b254b096ab32e15bb127cf1433f0e8f31a569bd1938f50308b3a917136e3d58bfb5ea26dd3725dff263cbf7943d72d
ripemd-160 d4a0b7da7f938802414cd9d3c0c3812130383694

128522981 as geometric shapes

Circle

Radius = n
Diameter 257045962
Circumference 807533705.85412
Area 5.1893319567174E+16

Sphere

Radius = n
Volume 8.8926454996785E+24
Surface area 2.075732782687E+17
Circumference 807533705.85412

Square

Length = n
Perimeter 514091924
Area 16518156645126361
Diagonal 181758942.80682

Cube

Length = n
Surface area 99108939870758166
Volume 2.1229627326566E+24
Space diagonal 222608333.03221

Equilateral Triangle

Length = n
Perimeter 385568943
Area 7.1525716391851E+15
Altitude 111304166.5161

Triangular Pyramid

Length = n
Surface area 7.1525716391851E+15
Volume 2.501935574113E+23
Height 60586314.26894