128900989 (number)

128900989 is an odd 9-digits composite number following 128900988 and preceding 128900990. In scientific notation, it is written as 1.28900989 × 10^8. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 110388480 positive integers (up to 128900989) that are relatively prime to 128900989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28900989 × 10^8
Engineering notation 1.28900989 × 10^6

Prime Factorization of 128900989

Prime Factorization 7 × 1217 × 15131

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128900989
Product of the distinct prime numbers

The prime factorization of 128900989 is 7 × 1217 × 15131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 5, 45, 791, 972, 8061, 6229, 35452, 77079, 996198, 830268, 1501729, 5676977, 83568079, 22736481, 253504571, 689097001, 6978678589, 8225278433

Basic calculations (n = 128900989)

Multiplication

n×y
n×2 257801978
n×3 386702967
n×4 515603956
n×5 644504945

Division

n÷y
n÷2 64450494.5
n÷3 42966996.333333
n÷3 32225247.25
n÷5 25780197.8

Exponentiation

ny
n2 16615464965178121
n3 2.1417498667063E+24
n4 2.7607367600906E+32
n5 3.5586169874434E+40

Nth Root

y√n
2√n 11353.457138687
3√n 505.14813025357
4√n 106.55260268378
5√n 41.884298871622

Divisors of 128900989

1, 7, 1217, 8519, 15131, 105917, 18414427, 128900989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128900988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128900989 can be divided by 8 positive divisors. The sum of these divisors (counting 128900989) is 1, the average is 0.125.

Base conversion 128900989

Base System Value
2 Binary 111101011101101111101111101
3 Ternary 22222112211220201
4 Quaternary 13223231331331
5 Quinary 230444312424
6 Senary 20442443501
8 Octal 753557575
10 Decimal 128900989
12 Duodecimal 37203591
16 Hexadecimal 7aedf7d
20 Vigesimal 205cc99
36 Base36 24qsn1

Cryptographic Hash Functions

md5 d4d4c85ec888d31a2ce0d1fcea467a56
sha1 e33b9e5ed65232c86168e4f4d8679156fa2455a3
sha256 222a70136eb81351d9e35ef5b2746dd1e7cf7876f58d04dceba96f5e8351fea0
sha512 07329414c942ddb8364bee156fd873ee602490a4e20aa841271cdd28c4595e2d8c664ecf5458b31162df39c1486c220b91bc4e38fe168913b0e66b404ccad276
ripemd-160 aaa66d30dadb592494b0395b62e54cec31980e94

128900989 as geometric shapes

Circle

Radius = n
Diameter 257801978
Circumference 809908800.16572
Area 5.2199022670582E+16

Sphere

Radius = n
Volume 8.9713408627619E+24
Surface area 2.0879609068233E+17
Circumference 809908800.16572

Square

Length = n
Perimeter 515603956
Area 16615464965178121
Diagonal 182293526.84711

Cube

Length = n
Surface area 99692789791068726
Volume 2.1417498667063E+24
Space diagonal 223263062.09388

Equilateral Triangle

Length = n
Perimeter 386702967
Area 7.1947073777673E+15
Altitude 111631531.04694

Triangular Pyramid

Length = n
Surface area 7.1947073777673E+15
Volume 2.5240764239224E+23
Height 60764508.949035