128522868 (number)

128522868 is an even 9-digits composite number following 128522867 and preceding 128522869. In scientific notation, it is written as 1.28522868 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 42840952 positive integers (up to 128522868) that are relatively prime to 128522868.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28522868 × 10^8
Engineering notation 1.28522868 × 10^6

Prime Factorization of 128522868

Prime Factorization 2 × 2 × 3 × 10710239

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64261434
Product of the distinct prime numbers

The prime factorization of 128522868 is 2 × 2 × 3 × 10710239. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 57, 33, 402, 893, 8940, 8480, 72906, 16794, 375972, 613302, 6797761, 4181582, 29993862, 95411476, 972930702, 576837137, 5367184713, 8055444377

Basic calculations (n = 128522868)

Multiplication

n×y
n×2 257045736
n×3 385568604
n×4 514091472
n×5 642614340

Division

n÷y
n÷2 64261434
n÷3 42840956
n÷3 32130717
n÷5 25704573.6

Exponentiation

ny
n2 16518127598945424
n3 2.1229571330064E+24
n4 2.7284853937504E+32
n5 3.5067276810091E+40

Nth Root

y√n
2√n 11336.792668123
3√n 504.65370893901
4√n 106.47437564091
5√n 41.859697122786

Divisors of 128522868

1, 2, 3, 4, 6, 12, 10710239, 21420478, 32130717, 42840956, 64261434, 128522868

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128522867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128522868 can be divided by 12 positive divisors. The sum of these divisors (counting 128522868) is 1, the average is 0.083333333333333.

Base conversion 128522868

Base System Value
2 Binary 111101010010001101001110100
3 Ternary 22221211122020020
4 Quaternary 13222101221310
5 Quinary 230400212433
6 Senary 20430405140
8 Octal 752215164
10 Decimal 128522868
12 Duodecimal 370607b0
16 Hexadecimal 7a91a74
20 Vigesimal 2035738
36 Base36 24iovo

Cryptographic Hash Functions

md5 91783527fc6df8639d649852e320938e
sha1 bb5089ada5bf0336b2c038fef4a0df76f76ebbaa
sha256 33e3e5fc3171f1d5562dad3e0db3185b864b1a2daef25dc50bcffd45d03b3b9a
sha512 94f3882d39b9ad3b4beaefcd72b7683d748691f449f87393e7d2f35890f0356fb3310485d437696a8a50ebd1ecdcae2910b45906a1e1025947c332be75671e3b
ripemd-160 33d0a9c7e9833d7f8fb5863685829b95fa08e7de

128522868 as geometric shapes

Circle

Radius = n
Diameter 257045736
Circumference 807532995.85418
Area 5.1893228315906E+16

Sphere

Radius = n
Volume 8.8926220439187E+24
Surface area 2.0757291326362E+17
Circumference 807532995.85418

Square

Length = n
Perimeter 514091472
Area 16518127598945424
Diagonal 181758783.00069

Cube

Length = n
Surface area 99108765593672544
Volume 2.1229571330064E+24
Space diagonal 222608137.31047

Equilateral Triangle

Length = n
Perimeter 385568604
Area 7.1525590618198E+15
Altitude 111304068.65523

Triangular Pyramid

Length = n
Surface area 7.1525590618198E+15
Volume 2.501928974862E+23
Height 60586261.000229