129781370 (number)

129781370 is an even 9-digits composite number following 129781369 and preceding 129781371. In scientific notation, it is written as 1.29781370 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 51426960 positive integers (up to 129781370) that are relatively prime to 129781370.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred eighty-one thousand three hundred seventy

Notation

Scientific notation 1.29781370 × 10^8
Engineering notation 1.29781370 × 10^6

Prime Factorization of 129781370

Prime Factorization 2 × 5 × 107 × 121291

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129781370
Product of the distinct prime numbers

The prime factorization of 129781370 is 2 × 5 × 107 × 121291. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 26, 42, 372, 836, 8767, 3075, 65046, 81754, 769750, 374283, 8395426, 3147599, 64548570, 5241204, 827870070, 18027214, 20302415, 2101201010

Basic calculations (n = 129781370)

Multiplication

n×y
n×2 259562740
n×3 389344110
n×4 519125480
n×5 648906850

Division

n÷y
n÷2 64890685
n÷3 43260456.666667
n÷3 32445342.5
n÷5 25956274

Exponentiation

ny
n2 16843203999076900
n3 2.1859340901897E+24
n4 2.8369352095452E+32
n5 3.6818133809601E+40

Nth Root

y√n
2√n 11392.162656844
3√n 506.29555917781
4√n 106.73407448816
5√n 41.941356328472

Divisors of 129781370

1, 2, 5, 10, 107, 214, 535, 1070, 121291, 242582, 606455, 1212910, 12978137, 25956274, 64890685, 129781370

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 -129781369
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 129781370 can be divided by 16 positive divisors. The sum of these divisors (counting 129781370) is 1, the average is 0.0625.

Base conversion 129781370

Base System Value
2 Binary 111101111000100111001111010
3 Ternary 100001012120120102
4 Quaternary 13233010321322
5 Quinary 231211000440
6 Senary 20513355402
8 Octal 757047172
10 Decimal 129781370
12 Duodecimal 37568b62
16 Hexadecimal 7bc4e7a
20 Vigesimal 20b2d8a
36 Base36 259ny2

Cryptographic Hash Functions

md5 8220c171d6a0b27f93e3385493144074
sha1 f8dad984f048deb956ffa83a8952d5c462848885
sha256 fb3c1a22c89e0b5e27678267ea20ecf73590f14be5f849a44213fdb182be28bd
sha512 a1699a8d1c8f30e47232ca204c83922b8ecdb60a80fd90de205e13b0cdf62b0c4e7ed82bbe05d66059fc3db0dcf51e24dce4a1f68f4cf41ff6b6be35097d9603
ripemd-160 1e4533e5b0bd0141777bf6011f005d1473f70ada

129781370 as geometric shapes

Circle

Radius = n
Diameter 259562740
Circumference 815440397.12964
Area 5.2914485946414E+16

Sphere

Radius = n
Volume 9.1564193052952E+24
Surface area 2.1165794378566E+17
Circumference 815440397.12964

Square

Length = n
Perimeter 519125480
Area 16843203999076900
Diagonal 183538573.59736

Cube

Length = n
Surface area 101059223994461400
Volume 2.1859340901897E+24
Space diagonal 224787926.7159

Equilateral Triangle

Length = n
Perimeter 389344110
Area 7.2933212721621E+15
Altitude 112393963.35795

Triangular Pyramid

Length = n
Surface area 7.2933212721621E+15
Volume 2.5761480306666E+23
Height 61179524.532454