128513621 (number)

128513621 is an odd 9-digits composite number following 128513620 and preceding 128513622. In scientific notation, it is written as 1.28513621 × 10^8. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 126192640 positive integers (up to 128513621) that are relatively prime to 128513621.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred thirteen thousand six hundred twenty-one

Notation

Scientific notation 1.28513621 × 10^8
Engineering notation 1.28513621 × 10^6

Prime Factorization of 128513621

Prime Factorization 71 × 257 × 7043

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128513621
Product of the distinct prime numbers

The prime factorization of 128513621 is 71 × 257 × 7043. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 32, 33, 717, 137, 2542, 6342, 74011, 63371, 841477, 388622, 1131895, 3667296, 36947863, 73002224, 729955959, 587507500, 9789514467, 7558324497

Basic calculations (n = 128513621)

Multiplication

n×y
n×2 257027242
n×3 385540863
n×4 514054484
n×5 642568105

Division

n÷y
n÷2 64256810.5
n÷3 42837873.666667
n÷3 32128405.25
n÷5 25702724.2

Exponentiation

ny
n2 16515750782531641
n3 2.1224989365967E+24
n4 2.7277002391069E+32
n5 3.505466347302E+40

Nth Root

y√n
2√n 11336.384829389
3√n 504.64160565903
4√n 106.47246042705
5√n 41.859094758762

Divisors of 128513621

1, 71, 257, 7043, 18247, 500053, 1810051, 128513621

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 -128513620
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 128513621 can be divided by 8 positive divisors. The sum of these divisors (counting 128513621) is 1, the average is 0.125.

Base conversion 128513621

Base System Value
2 Binary 111101010001111011001010101
3 Ternary 22221211011112202
4 Quaternary 13222033121111
5 Quinary 230344413441
6 Senary 20430254245
8 Octal 752173125
10 Decimal 128513621
12 Duodecimal 37057385
16 Hexadecimal 7a8f655
20 Vigesimal 2034411
36 Base36 24ihqt

Cryptographic Hash Functions

md5 8a01500140b7784c8b83a872286cfcbe
sha1 1c51557c4b6d123103a78c5261d970441e7908bb
sha256 52b53bd92ddafd667109060beaaa02b89fa8f6901bf34c5358d53134b4577966
sha512 313ea11a4228dddacc9dd7ea6c732579b30454cd5fe45cb3f718e9c4dc4a8a27cdedd52e74cab9ef70cc602016f3e62fc82a21809323e545daa8289a0b0e6237
ripemd-160 58e67f6b7fe0dec4c11236e777a2c178590f5ecc

128513621 as geometric shapes

Circle

Radius = n
Diameter 257027242
Circumference 807474895.23965
Area 5.1885761326921E+16

Sphere

Radius = n
Volume 8.8907027552859E+24
Surface area 2.0754304530769E+17
Circumference 807474895.23965

Square

Length = n
Perimeter 514054484
Area 16515750782531641
Diagonal 181745705.76788

Cube

Length = n
Surface area 99094504695189846
Volume 2.1224989365967E+24
Space diagonal 222592121.03665

Equilateral Triangle

Length = n
Perimeter 385540863
Area 7.1515298701226E+15
Altitude 111296060.51833

Triangular Pyramid

Length = n
Surface area 7.1515298701226E+15
Volume 2.5013889852146E+23
Height 60581901.922625