129721311 (number)

129721311 is an odd 9-digits composite number following 129721310 and preceding 129721312. In scientific notation, it is written as 1.29721311 × 10^8. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 82720440 positive integers (up to 129721311) that are relatively prime to 129721311.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred twenty-one thousand three hundred eleven

Notation

Scientific notation 1.29721311 × 10^8
Engineering notation 1.29721311 × 10^6

Prime Factorization of 129721311

Prime Factorization 3 × 9 × 23 × 208891

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129721311
Product of the distinct prime numbers

The prime factorization of 129721311 is 3 × 9 × 23 × 208891. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 36, 84, 818, 571, 1221, 4643, 14519, 45921, 984002, 548925, 3994562, 3334246, 33629301, 79541096, 717754554, 249159985, 1520720019, 2062322433

Basic calculations (n = 129721311)

Multiplication

n×y
n×2 259442622
n×3 389163933
n×4 518885244
n×5 648606555

Division

n÷y
n÷2 64860655.5
n÷3 43240437
n÷3 32430327.75
n÷5 25944262.2

Exponentiation

ny
n2 16827618527558721
n3 2.1829007364028E+24
n4 2.8316874530904E+32
n5 3.6733020875713E+40

Nth Root

y√n
2√n 11389.526372945
3√n 506.21744756395
4√n 106.72172399725
5√n 41.937473764544

Divisors of 129721311

1, 3, 9, 23, 27, 69, 207, 621, 208891, 626673, 1880019, 4804493, 5640057, 14413479, 43240437, 129721311

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 -129721310
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 129721311 can be divided by 16 positive divisors. The sum of these divisors (counting 129721311) is 1, the average is 0.0625.

Base conversion 129721311

Base System Value
2 Binary 111101110110110001111011111
3 Ternary 100001002112012000
4 Quaternary 13232312033133
5 Quinary 231202040221
6 Senary 20512213343
8 Octal 756661737
10 Decimal 129721311
12 Duodecimal 3753a253
16 Hexadecimal 7bb63df
20 Vigesimal 20af35b
36 Base36 258dlr

Cryptographic Hash Functions

md5 124339a7de9e8df591f626779ecacaed
sha1 2fca4f4a316498e0d0d5d73d53d13227ffb8389d
sha256 865d7dfe465902d36a7867f38071a0e309a335fd25b1a1ef2c813cb3530c5db7
sha512 b1063689d3dae7724de2e7ec95388fad5126cbb939bd3ee8ebea908ba93c6979089ffca5c2dd0712fe4aacd01cd60d5d02adb574270dca7e791444a5fc6be75c
ripemd-160 c0a4f980d1f9600cf266c875bd2c3b25a21fab39

129721311 as geometric shapes

Circle

Radius = n
Diameter 259442622
Circumference 815063035.30327
Area 5.286552274359E+16

Sphere

Radius = n
Volume 9.1437132226651E+24
Surface area 2.1146209097436E+17
Circumference 815063035.30327

Square

Length = n
Perimeter 518885244
Area 16827618527558721
Diagonal 183453637.34502

Cube

Length = n
Surface area 100965711165352326
Volume 2.1829007364028E+24
Space diagonal 224683901.47644

Equilateral Triangle

Length = n
Perimeter 389163933
Area 7.2865725650298E+15
Altitude 112341950.73822

Triangular Pyramid

Length = n
Surface area 7.2865725650298E+15
Volume 2.5725731889459E+23
Height 61151212.448339