71781409 (number)

71781409 is an odd 8-digits composite number following 71781408 and preceding 71781410. In scientific notation, it is written as 7.1781409 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 59405136 positive integers (up to 71781409) that are relatively prime to 71781409.

Interesting facts

Basic properties

Name

Name seventy-one million seven hundred eighty-one thousand four hundred nine

Notation

Scientific notation 7.1781409 × 10^7
Engineering notation 7.1781409 × 10^6

Prime Factorization of 71781409

Prime Factorization 7 × 29 × 353603

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71781409
Product of the distinct prime numbers

The prime factorization of 71781409 is 7 × 29 × 353603. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71781409)

Multiplication

n×y
n×2 143562818
n×3 215344227
n×4 287125636
n×5 358907045

Division

n÷y
n÷2 35890704.5
n÷3 23927136.333333
n÷3 17945352.25
n÷5 14356281.8

Exponentiation

ny
n2 5152570678025281
n3 3.6985878324074E+23
n4 2.6548984592046E+31
n5 1.9057235215363E+39

Nth Root

y√n
2√n 8472.3909848401
3√n 415.59533079335
4√n 92.045591881633
5√n 37.256529370643

Divisors of 71781409

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 -71781408
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 71781409 can be divided by 8 positive divisors. The sum of these divisors (counting 71781409) is 1, the average is 0.125.

Base conversion 71781409

Base System Value
2 Binary 100010001110100110000100001
3 Ternary 12000001212120201
4 Quaternary 10101310300201
5 Quinary 121334001114
6 Senary 11042305201
8 Octal 421646041
10 Decimal 71781409
12 Duodecimal 20058201
16 Hexadecimal 4474c21
20 Vigesimal 128cda9
36 Base36 16qiw1

Cryptographic Hash Functions

md5 ff020c60c3093ef65c2e9f05eb770599
sha1 4550e9b1b9b1c761da77f4aa470be996bef00e76
sha256 42bfed7feac07a6ce4a937763f607a6584a5a2538786a84d00533f51284a1c43
sha512 d92a12316734a36a8f3447bcb6966ea9ea1ec42b142cc09bd1853d740500a62f372b850911541023abe48bdca08613de343865f26623e3f208a7a7cd3cd9c9bf
ripemd-160 ac34a533bbeded8349d86d80c804db42847b5226

71781409 as geometric shapes

Circle

Radius = n
Diameter 143562818
Circumference 451015894.35745
Area 1.6187278189186E+16

Sphere

Radius = n
Volume 1.549260848393E+24
Surface area 6.4749112756746E+16
Circumference 451015894.35745

Square

Length = n
Perimeter 287125636
Area 5152570678025281
Diagonal 101514242.13405

Cube

Length = n
Surface area 30915424068151686
Volume 3.6985878324074E+23
Space diagonal 124329047.42688

Equilateral Triangle

Length = n
Perimeter 215344227
Area 2.2311285509824E+15
Altitude 62164523.713441

Triangular Pyramid

Length = n
Surface area 2.2311285509824E+15
Volume 4.3588275618489E+22
Height 33838080.71135