29121781 (number)

29121781 is an odd 8-digits composite number following 29121780 and preceding 29121782. In scientific notation, it is written as 2.9121781 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 26881632 positive integers (up to 29121781) that are relatively prime to 29121781.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.9121781 × 10^7
Engineering notation 2.9121781 × 10^6

Prime Factorization of 29121781

Prime Factorization 13 × 2240137

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 29121781
Product of the distinct prime numbers

The prime factorization of 29121781 is 13 × 2240137. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 29121781)

Multiplication

n×y
n×2 58243562
n×3 87365343
n×4 116487124
n×5 145608905

Division

n÷y
n÷2 14560890.5
n÷3 9707260.3333333
n÷3 7280445.25
n÷5 5824356.2

Exponentiation

ny
n2 848078128611961
n3 2.4697545532327E+22
n4 7.1923651222997E+29
n5 2.0945448196365E+37

Nth Root

y√n
2√n 5396.4600433988
3√n 307.66113924186
4√n 73.460601980918
5√n 31.105958361692

Divisors of 29121781

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -29121780
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 29121781 can be divided by 4 positive divisors. The sum of these divisors (counting 29121781) is 1, the average is 0.25.

Base conversion 29121781

Base System Value
2 Binary 1101111000101110011110101
3 Ternary 2000210112120111
4 Quaternary 1233011303311
5 Quinary 24423344111
6 Senary 2520103021
8 Octal 157056365
10 Decimal 29121781
12 Duodecimal 9904a71
16 Hexadecimal 1bc5cf5
20 Vigesimal 920491
36 Base36 hc6id

Cryptographic Hash Functions

md5 528d51f9f918a9e1c8e357c9547be571
sha1 2db4a8c8d9f6fa949a411c7532374c15a8c9032b
sha256 59a5a7742c38ac462836b3132fd134a800d5e2755596e195863a7203a7296d26
sha512 c96337b16ea29d84dd1ed5c70fbf384be9822344d8e53534460f05d38f9a80ae340a1c6a3d1c4f31d2e62fe6403ab00e65afca70ff75892b8fedba8d86cd2a73
ripemd-160 a23701070061ff62cf6437c7a05e847e27b1354b

29121781 as geometric shapes

Circle

Radius = n
Diameter 58243562
Circumference 182977546.4981
Area 2.6643160185175E+15

Sphere

Radius = n
Volume 1.0345283680808E+23
Surface area 1.065726407407E+16
Circumference 182977546.4981

Square

Length = n
Perimeter 116487124
Area 848078128611961
Diagonal 41184417.650659

Cube

Length = n
Surface area 5088468771671766
Volume 2.4697545532327E+22
Space diagonal 50440404.298894

Equilateral Triangle

Length = n
Perimeter 87365343
Area 3.6722860188596E+14
Altitude 25220202.149447

Triangular Pyramid

Length = n
Surface area 3.6722860188596E+14
Volume 2.9106336540954E+21
Height 13728139.216886