129397487 (number)

129397487 is an odd 9-digits composite number following 129397486 and preceding 129397488. In scientific notation, it is written as 1.29397487 × 10^8. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 128160000 positive integers (up to 129397487) that are relatively prime to 129397487.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million three hundred ninety-seven thousand four hundred eighty-seven

Notation

Scientific notation 1.29397487 × 10^8
Engineering notation 1.29397487 × 10^6

Prime Factorization of 129397487

Prime Factorization 401 × 151 × 2137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129397487
Product of the distinct prime numbers

The prime factorization of 129397487 is 401 × 151 × 2137. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 8, 52, 137, 911, 9443, 9535, 40104, 38592, 175931, 28148, 6822814, 6460785, 44623610, 37284283, 142054526, 414200544, 2984237887, 3317553332

Basic calculations (n = 129397487)

Multiplication

n×y
n×2 258794974
n×3 388192461
n×4 517589948
n×5 646987435

Division

n÷y
n÷2 64698743.5
n÷3 43132495.666667
n÷3 32349371.75
n÷5 25879497.4

Exponentiation

ny
n2 16743709641915169
n3 2.1665939507215E+24
n4 2.8035181257276E+32
n5 3.6276820022811E+40

Nth Root

y√n
2√n 11375.301622375
3√n 505.79587213804
4√n 106.65505905664
5√n 41.916515078518

Divisors of 129397487

1, 151, 401, 2137, 60551, 322687, 856937, 129397487

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129397486
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129397487 can be divided by 8 positive divisors. The sum of these divisors (counting 129397487) is 1, the average is 0.125.

Base conversion 129397487

Base System Value
2 Binary 111101101100111001011101111
3 Ternary 100000111001222112
4 Quaternary 13231213023233
5 Quinary 231111204422
6 Senary 20501234235
8 Octal 755471357
10 Decimal 129397487
12 Duodecimal 3740297b
16 Hexadecimal 7b672ef
20 Vigesimal 208ede7
36 Base36 251fqn

Cryptographic Hash Functions

md5 72932106d4d6e103245de9e98c2bbd97
sha1 9868b7b75ae737388c68bdd4d76063897696c3db
sha256 c5b7afce32357ad0f58e401d7d22049c1851aa89f99679e10dfab2c62c541b12
sha512 687b5c06d5dad4d77893ad0dd78ef2e455f4f4875101b3a2327ade4f596fe468f071d79105727733a1e6b431791fe28f30150128bb4e309bbec8dd2b61eca3a6
ripemd-160 a0ede99985d976ca4204dceb91b830a898d38829

129397487 as geometric shapes

Circle

Radius = n
Diameter 258794974
Circumference 813028389.10436
Area 5.2601915204881E+16

Sphere

Radius = n
Volume 9.0754075185316E+24
Surface area 2.1040766081953E+17
Circumference 813028389.10436

Square

Length = n
Perimeter 517589948
Area 16743709641915169
Diagonal 182995681.0524

Cube

Length = n
Surface area 100462257851491014
Volume 2.1665939507215E+24
Space diagonal 224123021.85573

Equilateral Triangle

Length = n
Perimeter 388192461
Area 7.2502389517445E+15
Altitude 112061510.92787

Triangular Pyramid

Length = n
Surface area 7.2502389517445E+15
Volume 2.5533554577215E+23
Height 60998560.350799