129640947 (number)

129640947 is an odd 9-digits composite number following 129640946 and preceding 129640948. In scientific notation, it is written as 1.29640947 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 86396928 positive integers (up to 129640947) that are relatively prime to 129640947.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29640947 × 10^8
Engineering notation 1.29640947 × 10^6

Prime Factorization of 129640947

Prime Factorization 3 × 11393 × 3793

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129640947
Product of the distinct prime numbers

The prime factorization of 129640947 is 3 × 11393 × 3793. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129640947)

Multiplication

n×y
n×2 259281894
n×3 388922841
n×4 518563788
n×5 648204735

Division

n÷y
n÷2 64820473.5
n÷3 43213649
n÷3 32410236.75
n÷5 25928189.4

Exponentiation

ny
n2 16806775139056809
n3 2.1788462450434E+24
n4 2.8246769057482E+32
n5 3.6619378903022E+40

Nth Root

y√n
2√n 11385.997848234
3√n 506.11288992299
4√n 106.70519129
5√n 41.932276316886

Divisors of 129640947

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 -129640946
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 129640947 can be divided by 8 positive divisors. The sum of these divisors (counting 129640947) is 1, the average is 0.125.

Base conversion 129640947

Base System Value
2 Binary 111101110100010100111110011
3 Ternary 100000221102221120
4 Quaternary 13232202213303
5 Quinary 231142002242
6 Senary 20510353323
8 Octal 756424763
10 Decimal 129640947
12 Duodecimal 374bb843
16 Hexadecimal 7ba29f3
20 Vigesimal 20a5277
36 Base36 256nlf

Cryptographic Hash Functions

md5 3711f40d085cd8889bfdd56ea1b09956
sha1 5912424e292f8da4b56a9d05024e1935a4c6708a
sha256 cfb035636d0016dfc91dd05632328e09b5a158cd9539ed2a20677a3157f920e6
sha512 608f9835ee114240761d47d8c784dfa7f6e4bd2c3691409aaf217559244a949befdc847b0ba2d6a0eb47bdc4e64b183474f96864b14514f1e1a3e6ba61789483
ripemd-160 491e8db915b7820464ad0d2420f242b5f34b1744

129640947 as geometric shapes

Circle

Radius = n
Diameter 259281894
Circumference 814558093.39925
Area 5.2800041307396E+16

Sphere

Radius = n
Volume 9.1267298089733E+24
Surface area 2.1120016522959E+17
Circumference 814558093.39925

Square

Length = n
Perimeter 518563788
Area 16806775139056809
Diagonal 183339985.48629

Cube

Length = n
Surface area 100840650834340854
Volume 2.1788462450434E+24
Space diagonal 224544706.94534

Equilateral Triangle

Length = n
Perimeter 388922841
Area 7.277547113058E+15
Altitude 112272353.47267

Triangular Pyramid

Length = n
Surface area 7.277547113058E+15
Volume 2.567794925055E+23
Height 61113328.495431