129738478 (number)

129738478 is an even 9-digits composite number following 129738477 and preceding 129738479. In scientific notation, it is written as 1.29738478 × 10^8. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 64869238 positive integers (up to 129738478) that are relatively prime to 129738478.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred thirty-eight thousand four hundred seventy-eight

Notation

Scientific notation 1.29738478 × 10^8
Engineering notation 1.29738478 × 10^6

Prime Factorization of 129738478

Prime Factorization 2 × 64869239

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129738478
Product of the distinct prime numbers

The prime factorization of 129738478 is 2 × 64869239. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 68, 75, 899, 190, 9721, 8551, 92724, 26622, 414950, 813064, 5256594, 1756131, 44986971, 69319388, 849762954, 789481515, 2188706618, 5082472276

Basic calculations (n = 129738478)

Multiplication

n×y
n×2 259476956
n×3 389215434
n×4 518953912
n×5 648692390

Division

n÷y
n÷2 64869239
n÷3 43246159.333333
n÷3 32434619.5
n÷5 25947695.6

Exponentiation

ny
n2 16832072673756484
n3 2.1837674902786E+24
n4 2.8331867049462E+32
n5 3.6757333098955E+40

Nth Root

y√n
2√n 11390.279979
3√n 506.23977710394
4√n 106.72525464481
5√n 41.938583686267

Divisors of 129738478

1, 2, 64869239, 129738478

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 -129738477
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 129738478 can be divided by 4 positive divisors. The sum of these divisors (counting 129738478) is 1, the average is 0.25.

Base conversion 129738478

Base System Value
2 Binary 111101110111010011011101110
3 Ternary 100001010101201211
4 Quaternary 13232322123232
5 Quinary 231203112403
6 Senary 20512425034
8 Octal 756723356
10 Decimal 129738478
12 Duodecimal 3754817a
16 Hexadecimal 7bba6ee
20 Vigesimal 20ah63i
36 Base36 258qum

Cryptographic Hash Functions

md5 ec50cae18983b2725c8d89eed1126d2d
sha1 c8565b68ca49444f6560734b559de6e3278e37a7
sha256 8dad8e1ce9c57654b3029b6c2ca2b041ef1760ba092855670859d752be30f3a9
sha512 ab723cf4acfbbc11964e77ab470e51c0c85a8ded34f1b0e52fd7b66fa7037ec65db9a93c9e49a1c4a80f7b3b8f7c3ee21d3fb1a26da6951bed1e8512abc15c71
ripemd-160 2bfd1925019802fe6c38b9b6f5eadaaaef9024a0

129738478 as geometric shapes

Circle

Radius = n
Diameter 259476956
Circumference 815170898.74544
Area 5.2879515856563E+16

Sphere

Radius = n
Volume 9.1473438728098E+24
Surface area 2.1151806342625E+17
Circumference 815170898.74544

Square

Length = n
Perimeter 518953912
Area 16832072673756484
Diagonal 183477915.14924

Cube

Length = n
Surface area 100992436042538904
Volume 2.1837674902786E+24
Space diagonal 224713635.59266

Equilateral Triangle

Length = n
Perimeter 389215434
Area 7.2885012669095E+15
Altitude 112356817.79633

Triangular Pyramid

Length = n
Surface area 7.2885012669095E+15
Volume 2.5735946681845E+23
Height 61159305.049748