129021521 (number)

129021521 is an odd 9-digits composite number following 129021520 and preceding 129021522. In scientific notation, it is written as 1.29021521 × 10^8. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 128481444 positive integers (up to 129021521) that are relatively prime to 129021521.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million twenty-one thousand five hundred twenty-one

Notation

Scientific notation 1.29021521 × 10^8
Engineering notation 1.29021521 × 10^6

Prime Factorization of 129021521

Prime Factorization 239 × 539839

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129021521
Product of the distinct prime numbers

The prime factorization of 129021521 is 239 × 539839. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129021521)

Multiplication

n×y
n×2 258043042
n×3 387064563
n×4 516086084
n×5 645107605

Division

n÷y
n÷2 64510760.5
n÷3 43007173.666667
n÷3 32255380.25
n÷5 25804304.2

Exponentiation

ny
n2 16646552881153441
n3 2.1477635721333E+24
n4 2.7710772282504E+32
n5 3.5752859879733E+40

Nth Root

y√n
2√n 11358.764061288
3√n 505.30553154521
4√n 106.57750260392
5√n 41.892128929651

Divisors of 129021521

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129021520
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129021521 can be divided by 4 positive divisors. The sum of these divisors (counting 129021521) is 1, the average is 0.25.

Base conversion 129021521

Base System Value
2 Binary 111101100001011011001010001
3 Ternary 22222202222020212
4 Quaternary 13230023121101
5 Quinary 231012142041
6 Senary 20445213505
8 Octal 754133121
10 Decimal 129021521
12 Duodecimal 37261295
16 Hexadecimal 7b0b651
20 Vigesimal 2067dg1
36 Base36 24tdn5

Cryptographic Hash Functions

md5 3f255e9dd5ce59806e180a85f0b1f31e
sha1 8b78367fd527d3e9eba7a46f77aa2cf54d425ebf
sha256 5a09ada3f3c422ea3846661cdae6fc294049f7324ea379f8c40be6440712f94c
sha512 108ed6cc0b24a23fd481fded62350d87c819f671cae0b400a2bb08ff778af7836f88a8010a6f731f7939423400f4e9c8ada6d49d07e1e1cbf75e94d980ead1be
ripemd-160 b0e9a9c42d44e5c99a659fc31e12b4ec4ac9069a

129021521 as geometric shapes

Circle

Radius = n
Diameter 258043042
Circumference 810666125.05716
Area 5.2296688239026E+16

Sphere

Radius = n
Volume 8.9965310131492E+24
Surface area 2.091867529561E+17
Circumference 810666125.05716

Square

Length = n
Perimeter 516086084
Area 16646552881153441
Diagonal 182463984.83621

Cube

Length = n
Surface area 99879317286920646
Volume 2.1477635721333E+24
Space diagonal 223471829.64181

Equilateral Triangle

Length = n
Perimeter 387064563
Area 7.20816884026E+15
Altitude 111735914.82091

Triangular Pyramid

Length = n
Surface area 7.20816884026E+15
Volume 2.5311636437349E+23
Height 60821328.278735