129401905 (number)

129401905 is an odd 9-digits composite number following 129401904 and preceding 129401906. In scientific notation, it is written as 1.29401905 × 10^8. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 99792000 positive integers (up to 129401905) that are relatively prime to 129401905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29401905 × 10^8
Engineering notation 1.29401905 × 10^6

Prime Factorization of 129401905

Prime Factorization 5 × 31 × 281 × 2971

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129401905
Product of the distinct prime numbers

The prime factorization of 129401905 is 5 × 31 × 281 × 2971. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 19, 58, 118, 895, 4025, 6798, 82134, 64223, 177238, 876154, 5904448, 4982012, 8388047, 69127618, 525103916, 168216733, 4750942073, 9647212152

Basic calculations (n = 129401905)

Multiplication

n×y
n×2 258803810
n×3 388205715
n×4 517607620
n×5 647009525

Division

n÷y
n÷2 64700952.5
n÷3 43133968.333333
n÷3 32350476.25
n÷5 25880381

Exponentiation

ny
n2 16744853017629025
n3 2.1668158794262E+24
n4 2.80390102582E+32
n5 3.6283013417256E+40

Nth Root

y√n
2√n 11375.49581337
3√n 505.80162851137
4√n 106.65596942211
5√n 41.916801304532

Divisors of 129401905

1, 5, 31, 155, 281, 1405, 2971, 8711, 14855, 43555, 92101, 460505, 834851, 4174255, 25880381, 129401905

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129401904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129401905 can be divided by 16 positive divisors. The sum of these divisors (counting 129401905) is 1, the average is 0.0625.

Base conversion 129401905

Base System Value
2 Binary 111101101101000010000110001
3 Ternary 100000111022001011
4 Quaternary 13231220100301
5 Quinary 231111330110
6 Senary 20501310521
8 Octal 755502061
10 Decimal 129401905
12 Duodecimal 37405441
16 Hexadecimal 7b68431
20 Vigesimal 208f4f5
36 Base36 251j5d

Cryptographic Hash Functions

md5 27943c60bde360b3c32302c46d9a1295
sha1 a03fc901b96764155675d94f272744cc474c5cf4
sha256 12cb9b43daaa9f827cd3680ee9a7ec86c21a903771ff997b854739b190cee77c
sha512 bffae425bf3df0eb4b5a68706ecac334b9cde3c67b5b70a03177cdb2551cb3209d1323b3ca3d76ce355dad05e3f8f8b6e3d7ff08b76816903c69cee5b946381b
ripemd-160 de6070501315236da35c9c046309b348a3867e08

129401905 as geometric shapes

Circle

Radius = n
Diameter 258803810
Circumference 813056148.21705
Area 5.2605507225624E+16

Sphere

Radius = n
Volume 9.0763371313161E+24
Surface area 2.104220289025E+17
Circumference 813056148.21705

Square

Length = n
Perimeter 517607620
Area 16744853017629025
Diagonal 183001929.04791

Cube

Length = n
Surface area 100469118105774150
Volume 2.1668158794262E+24
Space diagonal 224130674.0562

Equilateral Triangle

Length = n
Perimeter 388205715
Area 7.2507340479516E+15
Altitude 112065337.0281

Triangular Pyramid

Length = n
Surface area 7.2507340479516E+15
Volume 2.5536170032083E+23
Height 61000643.015972