129640209 (number)

129640209 is an odd 9-digits composite number following 129640208 and preceding 129640210. In scientific notation, it is written as 1.29640209 × 10^8. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 85535616 positive integers (up to 129640209) that are relatively prime to 129640209.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred forty thousand two hundred nine

Notation

Scientific notation 1.29640209 × 10^8
Engineering notation 1.29640209 × 10^6

Prime Factorization of 129640209

Prime Factorization 291 × 445499

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129640209
Product of the distinct prime numbers

The prime factorization of 129640209 is 291 × 445499. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129640209)

Multiplication

n×y
n×2 259280418
n×3 388920627
n×4 518560836
n×5 648201045

Division

n÷y
n÷2 64820104.5
n÷3 43213403
n÷3 32410052.25
n÷5 25928041.8

Exponentiation

ny
n2 16806583789563681
n3 2.178809035055E+24
n4 2.8246125867562E+32
n5 3.6618336609111E+40

Nth Root

y√n
2√n 11385.965439962
3√n 506.11192954735
4√n 106.70503943095
5√n 41.932228575657

Divisors of 129640209

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 -129640208
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 129640209 can be divided by 4 positive divisors. The sum of these divisors (counting 129640209) is 1, the average is 0.25.

Base conversion 129640209

Base System Value
2 Binary 111101110100010011100010001
3 Ternary 100000221101221020
4 Quaternary 13232202130101
5 Quinary 231141441314
6 Senary 20510350053
8 Octal 756423421
10 Decimal 129640209
12 Duodecimal 374bb329
16 Hexadecimal 7ba2711
20 Vigesimal 20a50a9
36 Base36 256n0x

Cryptographic Hash Functions

md5 e6ec4445c309f9f8de25433a5664d8f6
sha1 da000770f2f70ae25feb325bdff1b6f62b34ee89
sha256 52c8053b7a0044ffde81ff571a0334e320eacded71e2a6844d6e316c87588b6f
sha512 0b4e4264dd28fe48f603f0716aeb96b5b1a66b2b112b1383c16bc81c33f12f3fce786c94b24baeafb843f66ce8f637d1c363aa002069cc89937d6b00907e8157
ripemd-160 5dcd707865695b103447c9c62863bde537f5d463

129640209 as geometric shapes

Circle

Radius = n
Diameter 259280418
Circumference 814553456.40849
Area 5.2799440165235E+16

Sphere

Radius = n
Volume 9.1265739441387E+24
Surface area 2.1119776066094E+17
Circumference 814553456.40849

Square

Length = n
Perimeter 518560836
Area 16806583789563681
Diagonal 183338941.79668

Cube

Length = n
Surface area 100839502737382086
Volume 2.178809035055E+24
Space diagonal 224543428.69185

Equilateral Triangle

Length = n
Perimeter 388920627
Area 7.2774642562969E+15
Altitude 112271714.34592

Triangular Pyramid

Length = n
Surface area 7.2774642562969E+15
Volume 2.5677510726632E+23
Height 61112980.598894