71297728 (number)

71297728 is an even 8-digits composite number following 71297727 and preceding 71297729. In scientific notation, it is written as 7.1297728 × 10^7. The sum of its digits is 43. It has a total of 9 prime factors and 56 positive divisors. There are 31776768 positive integers (up to 71297728) that are relatively prime to 71297728.

Interesting facts

Basic properties

Name

Name seventy-one million two hundred ninety-seven thousand seven hundred twenty-eight

Notation

Scientific notation 7.1297728 × 10^7
Engineering notation 7.1297728 × 10^6

Prime Factorization of 71297728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 17 × 19 × 3449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 2228054
Product of the distinct prime numbers

The prime factorization of 71297728 is 2 × 2 × 2 × 2 × 2 × 2 × 17 × 19 × 3449. Since it has a total of 9 prime factors.

Most popular turbo-numbers

5, 7, 10, 89, 256, 125, 1129, 6124, 75999, 3294, 732857, 838908, 5302409, 7571758, 90599409, 20297242, 571736863, 541455472, 6435466285, 2270005078

Basic calculations (n = 71297728)

Multiplication

n×y
n×2 142595456
n×3 213893184
n×4 285190912
n×5 356488640

Division

n÷y
n÷2 35648864
n÷3 23765909.333333
n÷3 17824432
n÷5 14259545.6

Exponentiation

ny
n2 5083366017961984
n3 3.624324476731E+23
n4 2.5840610072571E+31
n5 1.8423767883082E+39

Nth Root

y√n
2√n 8443.7981974938
3√n 414.65976468399
4√n 91.890142003883
5√n 37.20618473971

Divisors of 71297728

1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1088, 1216, 1292, 2584, 3449, 5168, 6898, 10336, 13796, 20672, 27592, 55184, 58633, 65531, 110368, 117266, 131062, 220736, 234532, 262124, 469064, 524248, 938128, 1048496, 1114027, 1876256, 2096992, 2228054, 3752512, 4193984, 4456108, 8912216, 17824432, 35648864, 71297728

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71297727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71297728 can be divided by 56 positive divisors. The sum of these divisors (counting 71297728) is 1, the average is 0.017857142857143.

Base conversion 71297728

Base System Value
2 Binary 100001111111110101011000000
3 Ternary 11222011022002121
4 Quaternary 10033332223000
5 Quinary 121223011403
6 Senary 11024054024
8 Octal 417765300
10 Decimal 71297728
12 Duodecimal 1ba64314
16 Hexadecimal 43feac0
20 Vigesimal 125c468
36 Base36 16g5og

Cryptographic Hash Functions

md5 c78b182972dfe3b556fb70f7bb3ac5d7
sha1 121ed5ee6d74d9e0e4e391505f734d1a83eda39d
sha256 3cb4ac1dc6953a6529e612f72e64c38b1a8faa89202ef6b271a13361004088ad
sha512 d2f6412bdb16eb278d515e57c5abab3c7356ed78c6af4a8741838091c89dd7e842deef07b41fd5a6f7900f27486d72cee25b8186fdc5b8528996800ecc0cf886
ripemd-160 5a19a046ed344a615a79418fd3714310265dc431

71297728 as geometric shapes

Circle

Radius = n
Diameter 142595456
Circumference 447976837.00489
Area 1.5969865337537E+16

Sphere

Radius = n
Volume 1.5181534867098E+24
Surface area 6.3879461350149E+16
Circumference 447976837.00489

Square

Length = n
Perimeter 285190912
Area 5083366017961984
Diagonal 100830213.90399

Cube

Length = n
Surface area 30500196107771904
Volume 3.624324476731E+23
Space diagonal 123491287.36023

Equilateral Triangle

Length = n
Perimeter 213893184
Area 2.2011620541448E+15
Altitude 61745643.680113

Triangular Pyramid

Length = n
Surface area 2.2011620541448E+15
Volume 4.2713073578614E+22
Height 33610071.301329