128935221 (number)

128935221 is an odd 9-digits composite number following 128935220 and preceding 128935222. In scientific notation, it is written as 1.28935221 × 10^8. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 85329120 positive integers (up to 128935221) that are relatively prime to 128935221.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million nine hundred thirty-five thousand two hundred twenty-one

Notation

Scientific notation 1.28935221 × 10^8
Engineering notation 1.28935221 × 10^6

Prime Factorization of 128935221

Prime Factorization 3 × 137 × 313711

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128935221
Product of the distinct prime numbers

The prime factorization of 128935221 is 3 × 137 × 313711. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 45, 14, 138, 584, 2864, 8228, 76872, 33648, 22208, 172345, 3289917, 6495411, 6453057, 38812439, 240707844, 33420979, 3254879435, 1179223672

Basic calculations (n = 128935221)

Multiplication

n×y
n×2 257870442
n×3 386805663
n×4 515740884
n×5 644676105

Division

n÷y
n÷2 64467610.5
n÷3 42978407
n÷3 32233805.25
n÷5 25787044.2

Exponentiation

ny
n2 16624291214318841
n3 2.1434566616866E+24
n4 2.7636705837848E+32
n5 3.5633447749149E+40

Nth Root

y√n
2√n 11354.964597039
3√n 505.19284338417
4√n 106.55967622435
5√n 41.88652326268

Divisors of 128935221

1, 3, 137, 411, 313711, 941133, 42978407, 128935221

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 -128935220
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 128935221 can be divided by 8 positive divisors. The sum of these divisors (counting 128935221) is 1, the average is 0.125.

Base conversion 128935221

Base System Value
2 Binary 111101011110110010100110101
3 Ternary 22222121120212120
4 Quaternary 13223312110311
5 Quinary 231001411341
6 Senary 20443310153
8 Octal 753662465
10 Decimal 128935221
12 Duodecimal 3721b359
16 Hexadecimal 7af6535
20 Vigesimal 205gi11
36 Base36 24rj1x

Cryptographic Hash Functions

md5 3de9d9dfc724d68f55c129e3032b0511
sha1 eb89f9dc8cc4911f4a43e6f8bfe5742eaa665173
sha256 651fe3752250e7f270056936586c44cc512d6612896d8e987fc1a3075e29fd8c
sha512 1a8b092beeb2e25476847cdfa741b1e9f1059f3bdf9f221fcf6ab6ae02de5872973179482e8948175fa8e26365c4c0efc3b682ae3dfa0de5cdd1d854020b2068
ripemd-160 95915f6a76643d23ef6d11595dacd1bda726700d

128935221 as geometric shapes

Circle

Radius = n
Diameter 257870442
Circumference 810123886.16515
Area 5.2226751150041E+16

Sphere

Radius = n
Volume 8.9784902688568E+24
Surface area 2.0890700460017E+17
Circumference 810123886.16515

Square

Length = n
Perimeter 515740884
Area 16624291214318841
Diagonal 182341938.20577

Cube

Length = n
Surface area 99745747285913046
Volume 2.1434566616866E+24
Space diagonal 223322353.65712

Equilateral Triangle

Length = n
Perimeter 386805663
Area 7.1985292557553E+15
Altitude 111661176.82856

Triangular Pyramid

Length = n
Surface area 7.1985292557553E+15
Volume 2.5260879010967E+23
Height 60780646.068591