71781749 (number)

71781749 is an odd 8-digits composite number following 71781748 and preceding 71781750. In scientific notation, it is written as 7.1781749 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 64718640 positive integers (up to 71781749) that are relatively prime to 71781749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1781749 × 10^7
Engineering notation 7.1781749 × 10^6

Prime Factorization of 71781749

Prime Factorization 13 × 43 × 128411

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71781749
Product of the distinct prime numbers

The prime factorization of 71781749 is 13 × 43 × 128411. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 98, 45, 557, 110, 324, 2051, 70094, 10992, 249733, 160086, 1532454, 9900028, 49367921, 93125740, 413173465, 949601413, 2263846790, 5469095670

Basic calculations (n = 71781749)

Multiplication

n×y
n×2 143563498
n×3 215345247
n×4 287126996
n×5 358908745

Division

n÷y
n÷2 35890874.5
n÷3 23927249.666667
n÷3 17945437.25
n÷5 14356349.8

Exponentiation

ny
n2 5152619489499001
n3 3.6986403888773E+23
n4 2.6549487603565E+31
n5 1.9057686552377E+39

Nth Root

y√n
2√n 8472.4110499904
3√n 415.59598696227
4√n 92.045700877284
5√n 37.25656466445

Divisors of 71781749

1, 13, 43, 559, 128411, 1669343, 5521673, 71781749

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 -71781748
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 71781749 can be divided by 8 positive divisors. The sum of these divisors (counting 71781749) is 1, the average is 0.125.

Base conversion 71781749

Base System Value
2 Binary 100010001110100110101110101
3 Ternary 12000001220001022
4 Quaternary 10101310311311
5 Quinary 121334003444
6 Senary 11042310525
8 Octal 421646565
10 Decimal 71781749
12 Duodecimal 20058445
16 Hexadecimal 4474d75
20 Vigesimal 128ce79
36 Base36 16qj5h

Cryptographic Hash Functions

md5 5bbbd685a6000ecd9a7797ba73fa32b7
sha1 b59eaaf59e76272f263266573fbff48f50c088d2
sha256 35eb1bfdf9127be556e5df6eb7ac37e058efaa2084bda1b5977afe7e4ee0c6ba
sha512 a0a87d8805d4c591a93240cc10fd0fe71f7eb699bca48004f0963edb3e94049bbdf82e2e9d03c0ed01b818ecf13267e8c1b9ca646c9436d6206859f107708401
ripemd-160 ea30c18114c0d6f44e205b54961b59b2ebe7961e

71781749 as geometric shapes

Circle

Radius = n
Diameter 143563498
Circumference 451018030.64045
Area 1.6187431534954E+16

Sphere

Radius = n
Volume 1.5492828631956E+24
Surface area 6.4749726139815E+16
Circumference 451018030.64045

Square

Length = n
Perimeter 287126996
Area 5152619489499001
Diagonal 101514722.96666

Cube

Length = n
Surface area 30915716936994006
Volume 3.6986403888773E+23
Space diagonal 124329636.32416

Equilateral Triangle

Length = n
Perimeter 215345247
Area 2.2311496869705E+15
Altitude 62164818.162078

Triangular Pyramid

Length = n
Surface area 2.2311496869705E+15
Volume 4.3588895002426E+22
Height 33838240.988887