128479938 (number)

128479938 is an even 9-digits composite number following 128479937 and preceding 128479939. In scientific notation, it is written as 1.28479938 × 10^8. The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors. There are 40461120 positive integers (up to 128479938) that are relatively prime to 128479938.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred seventy-nine thousand nine hundred thirty-eight

Notation

Scientific notation 1.28479938 × 10^8
Engineering notation 1.28479938 × 10^6

Prime Factorization of 128479938

Prime Factorization 2 × 3 × 19 × 421 × 2677

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 128479938
Product of the distinct prime numbers

The prime factorization of 128479938 is 2 × 3 × 19 × 421 × 2677. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 5, 15, 48, 588, 619, 6122, 6339, 4522, 58367, 506868, 284269, 8489584, 4640022, 96921927, 51160632, 843593951, 122062665, 7832061336, 6437355723

Basic calculations (n = 128479938)

Multiplication

n×y
n×2 256959876
n×3 385439814
n×4 513919752
n×5 642399690

Division

n÷y
n÷2 64239969
n÷3 42826646
n÷3 32119984.5
n÷5 25695987.6

Exponentiation

ny
n2 16507094468483844
n3 2.1208304738709E+24
n4 2.7248416779145E+32
n5 3.5008748983827E+40

Nth Root

y√n
2√n 11334.899117328
3√n 504.59751350155
4√n 106.46548322028
5√n 41.856900302303

Divisors of 128479938

1, 2, 3, 6, 19, 38, 57, 114, 421, 842, 1263, 2526, 2677, 5354, 7999, 8031, 15998, 16062, 23997, 47994, 50863, 101726, 152589, 305178, 1127017, 2254034, 3381051, 6762102, 21413323, 42826646, 64239969, 128479938

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128479937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128479938 can be divided by 32 positive divisors. The sum of these divisors (counting 128479938) is 1, the average is 0.03125.

Base conversion 128479938

Base System Value
2 Binary 111101010000111001011000010
3 Ternary 22221202110100020
4 Quaternary 13222013023002
5 Quinary 230342324223
6 Senary 20425434310
8 Octal 752071302
10 Decimal 128479938
12 Duodecimal 3703b996
16 Hexadecimal 7a872c2
20 Vigesimal 202jjgi
36 Base36 24hrr6

Cryptographic Hash Functions

md5 bb7c019a8324fea1cc242b578574c949
sha1 bce0cb275b2b1026a1c35e9b642bc62f1488e515
sha256 9a50aec5e248db6f7584435f5e795e644b53e16d9e3aac919f9548aa27b7a60f
sha512 bdb1accb05c6f3463b06c975d1b451b1f123bd6143570c87a4f56db37e8c6a1580d39f35c8d228881cf36d968ba157c45c9fe86c9cd35863ba3b0e5388582ed0
ripemd-160 114b5e9e36d7ee3444f93970d2497a6a26ff73af

128479938 as geometric shapes

Circle

Radius = n
Diameter 256959876
Circumference 807263258.70894
Area 5.1858566714302E+16

Sphere

Radius = n
Volume 8.8837139149631E+24
Surface area 2.0743426685721E+17
Circumference 807263258.70894

Square

Length = n
Perimeter 513919752
Area 16507094468483844
Diagonal 181698070.81245

Cube

Length = n
Surface area 99042566810903064
Volume 2.1208304738709E+24
Space diagonal 222533780.3693

Equilateral Triangle

Length = n
Perimeter 385439814
Area 7.1477815761883E+15
Altitude 111266890.18465

Triangular Pyramid

Length = n
Surface area 7.1477815761883E+15
Volume 2.4994226830354E+23
Height 60566023.604151