128402261 (number)

128402261 is an odd 9-digits composite number following 128402260 and preceding 128402262. In scientific notation, it is written as 1.28402261 × 10^8. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 110947584 positive integers (up to 128402261) that are relatively prime to 128402261.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred two thousand two hundred sixty-one

Notation

Scientific notation 1.28402261 × 10^8
Engineering notation 1.28402261 × 10^6

Prime Factorization of 128402261

Prime Factorization 13 × 23 × 47 × 9137

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128402261
Product of the distinct prime numbers

The prime factorization of 128402261 is 13 × 23 × 47 × 9137. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 15, 82, 353, 434, 5304, 3305, 84479, 3376, 127554, 42186, 9297408, 1939223, 5491956, 72670481, 795503909, 121292419, 7053386303, 7602185916

Basic calculations (n = 128402261)

Multiplication

n×y
n×2 256804522
n×3 385206783
n×4 513609044
n×5 642011305

Division

n÷y
n÷2 64201130.5
n÷3 42800753.666667
n÷3 32100565.25
n÷5 25680452.2

Exponentiation

ny
n2 16487140629912121
n3 2.1169861343057E+24
n4 2.718258061505E+32
n5 3.4903048107872E+40

Nth Root

y√n
2√n 11331.472146195
3√n 504.49580236194
4√n 106.44938772109
5√n 41.851837869896

Divisors of 128402261

1, 13, 23, 47, 299, 611, 1081, 9137, 14053, 118781, 210151, 429439, 2731963, 5582707, 9877097, 128402261

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128402260
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128402261 can be divided by 16 positive divisors. The sum of these divisors (counting 128402261) is 1, the average is 0.0625.

Base conversion 128402261

Base System Value
2 Binary 111101001110100001101010101
3 Ternary 22221121111210022
4 Quaternary 13221310031111
5 Quinary 230332333021
6 Senary 20424034525
8 Octal 751641525
10 Decimal 128402261
12 Duodecimal 37002a45
16 Hexadecimal 7a74355
20 Vigesimal 202a5d1
36 Base36 24g3th

Cryptographic Hash Functions

md5 7f42259af128bdfdc35f89bdebded527
sha1 b6806dc12df082c2f61ee9126561683b1b1a5aad
sha256 a1eeff9fe9948ea9f86b335b43e2cc16be488d9755f79584fa366a1dbcf00271
sha512 aead980aab01cf841776e7c82b61804f2a5f60c8ce8ff749bbcb6fbdd3945be25bd3925f332efd7bf7025ae12c6cc9b33efbe3b1c478029f67ae193269d339da
ripemd-160 982a79dfe7be9105f5beff86481815e58fe6f477

128402261 as geometric shapes

Circle

Radius = n
Diameter 256804522
Circumference 806775199.72384
Area 5.1795879881634E+16

Sphere

Radius = n
Volume 8.8676107830482E+24
Surface area 2.0718351952653E+17
Circumference 806775199.72384

Square

Length = n
Perimeter 513609044
Area 16487140629912121
Diagonal 181588218.94557

Cube

Length = n
Surface area 98922843779472726
Volume 2.1169861343057E+24
Space diagonal 222399239.85872

Equilateral Triangle

Length = n
Perimeter 385206783
Area 7.1391413106352E+15
Altitude 111199619.92936

Triangular Pyramid

Length = n
Surface area 7.1391413106352E+15
Volume 2.4948920854091E+23
Height 60529406.31519