129742871 (number)

129742871 is an odd 9-digits composite number following 129742870 and preceding 129742872. In scientific notation, it is written as 1.29742871 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 128594592 positive integers (up to 129742871) that are relatively prime to 129742871.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred forty-two thousand eight hundred seventy-one

Notation

Scientific notation 1.29742871 × 10^8
Engineering notation 1.29742871 × 10^6

Prime Factorization of 129742871

Prime Factorization 113 × 1148167

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129742871
Product of the distinct prime numbers

The prime factorization of 129742871 is 113 × 1148167. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 73, 4, 951, 268, 3100, 99, 97073, 91625, 716706, 465976, 4740831, 9681086, 41145646, 70057058, 351376868, 458867406, 4714997852, 8961371231

Basic calculations (n = 129742871)

Multiplication

n×y
n×2 259485742
n×3 389228613
n×4 518971484
n×5 648714355

Division

n÷y
n÷2 64871435.5
n÷3 43247623.666667
n÷3 32435717.75
n÷5 25948574.2

Exponentiation

ny
n2 16833212575322641
n3 2.1839893276757E+24
n4 2.83357045606E+32
n5 3.6763556615E+40

Nth Root

y√n
2√n 11390.472817228
3√n 506.24549087078
4√n 106.72615807396
5√n 41.938867694074

Divisors of 129742871

1, 113, 1148167, 129742871

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 -129742870
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 129742871 can be divided by 4 positive divisors. The sum of these divisors (counting 129742871) is 1, the average is 0.25.

Base conversion 129742871

Base System Value
2 Binary 111101110111011100000010111
3 Ternary 100001010121202112
4 Quaternary 13232323200113
5 Quinary 231203232441
6 Senary 20512501235
8 Octal 756734027
10 Decimal 129742871
12 Duodecimal 3754a81b
16 Hexadecimal 7bbb817
20 Vigesimal 20ahh3b
36 Base36 258u8n

Cryptographic Hash Functions

md5 ef968b74ad9c0527619d2839673b759e
sha1 c6734027cf4e65ef3239f535af5ef4e76375ae34
sha256 6ff2bdb98f138f4ed49bd4b9d11948fa725eeb9faab9925eee9658df9c9290d7
sha512 1549e413827142efa22672d7fced2a3426be417b7b0bef976ced325a95422f1cec4a43229ca442f738ddf0738be3772156b0b330065ba01161147502badf8cc3
ripemd-160 7598d0533755b8c9937d7510cedb20d31d5bb57b

129742871 as geometric shapes

Circle

Radius = n
Diameter 259485742
Circumference 815198500.7785
Area 5.2883096962949E+16

Sphere

Radius = n
Volume 9.1482731031258E+24
Surface area 2.115323878518E+17
Circumference 815198500.7785

Square

Length = n
Perimeter 518971484
Area 16833212575322641
Diagonal 183484127.78942

Cube

Length = n
Surface area 100999275451935846
Volume 2.1839893276757E+24
Space diagonal 224721244.49185

Equilateral Triangle

Length = n
Perimeter 389228613
Area 7.2889948587665E+15
Altitude 112360622.24593

Triangular Pyramid

Length = n
Surface area 7.2889948587665E+15
Volume 2.5738561060642E+23
Height 61161375.929808