129611991 (number)

129611991 is an odd 9-digits composite number following 129611990 and preceding 129611992. In scientific notation, it is written as 1.29611991 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 82249440 positive integers (up to 129611991) that are relatively prime to 129611991.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred eleven thousand nine hundred ninety-one

Notation

Scientific notation 1.29611991 × 10^8
Engineering notation 1.29611991 × 10^6

Prime Factorization of 129611991

Prime Factorization 3 × 29 × 71 × 20983

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129611991
Product of the distinct prime numbers

The prime factorization of 129611991 is 3 × 29 × 71 × 20983. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 62, 17, 778, 933, 9820, 9021, 3125, 6601, 731474, 32171, 2932944, 986068, 41646794, 97454051, 286222851, 251194297, 9093642523, 7545473299

Basic calculations (n = 129611991)

Multiplication

n×y
n×2 259223982
n×3 388835973
n×4 518447964
n×5 648059955

Division

n÷y
n÷2 64805995.5
n÷3 43203997
n÷3 32402997.75
n÷5 25922398.2

Exponentiation

ny
n2 16799268210984081
n3 2.1773866001687E+24
n4 2.8221541242458E+32
n5 3.6578501495236E+40

Nth Root

y√n
2√n 11384.726215417
3√n 506.07520610881
4√n 106.69923249685
5√n 41.930402989802

Divisors of 129611991

1, 3, 29, 71, 87, 213, 2059, 6177, 20983, 62949, 608507, 1489793, 1825521, 4469379, 43203997, 129611991

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 -129611990
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 129611991 can be divided by 16 positive divisors. The sum of these divisors (counting 129611991) is 1, the average is 0.0625.

Base conversion 129611991

Base System Value
2 Binary 111101110011011100011010111
3 Ternary 100000212222020010
4 Quaternary 13232123203113
5 Quinary 231140040431
6 Senary 20510011303
8 Octal 756334327
10 Decimal 129611991
12 Duodecimal 374a6b33
16 Hexadecimal 7b9b8d7
20 Vigesimal 20a19jb
36 Base36 256193

Cryptographic Hash Functions

md5 c77bca9db07594cac87b8e86d0635828
sha1 6087193a56021e38c7f282e8b74b9971a57dc094
sha256 659090fd1b7fa8b9c0ded6fd97403ba80ba45a76ed60797c31a61031f134b670
sha512 093cb78a6ba24a43cfc73ae8bcec7835098bd27ff5714e527271b43cef81a4374c5537bb54e088d11df999b0b32dccf627c83701ce9e95908916107d46bb9370
ripemd-160 206e4bead0f6aaa034240f888250ee786e265ef2

129611991 as geometric shapes

Circle

Radius = n
Diameter 259223982
Circumference 814376157.48549
Area 5.2776457597312E+16

Sphere

Radius = n
Volume 9.1206156628196E+24
Surface area 2.1110583038925E+17
Circumference 814376157.48549

Square

Length = n
Perimeter 518447964
Area 16799268210984081
Diagonal 183299035.51838

Cube

Length = n
Surface area 100795609265904486
Volume 2.1773866001687E+24
Space diagonal 224494553.68216

Equilateral Triangle

Length = n
Perimeter 388835973
Area 7.2742965178503E+15
Altitude 112247276.84108

Triangular Pyramid

Length = n
Surface area 7.2742965178503E+15
Volume 2.5660747170733E+23
Height 61099678.506127