71281245 (number)

71281245 is an odd 8-digits composite number following 71281244 and preceding 71281246. In scientific notation, it is written as 7.1281245 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 30931200 positive integers (up to 71281245) that are relatively prime to 71281245.

Interesting facts

Basic properties

Name

Name seventy-one million two hundred eighty-one thousand two hundred forty-five

Notation

Scientific notation 7.1281245 × 10^7
Engineering notation 7.1281245 × 10^6

Prime Factorization of 71281245

Prime Factorization 5 × 3 × 427 × 31 × 359

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 71281245
Product of the distinct prime numbers

The prime factorization of 71281245 is 5 × 3 × 427 × 31 × 359. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 2, 21, 49, 915, 500, 1437, 8949, 26927, 46628, 936466, 192014, 6487328, 3418760, 42485794, 51264584, 531788968, 984106142, 4959193311, 8491521865

Basic calculations (n = 71281245)

Multiplication

n×y
n×2 142562490
n×3 213843735
n×4 285124980
n×5 356406225

Division

n÷y
n÷2 35640622.5
n÷3 23760415
n÷3 17820311.25
n÷5 14256249

Exponentiation

ny
n2 5081015888750025
n3 3.6218113841488E+23
n4 2.581672246173E+31
n5 1.8402481188916E+39

Nth Root

y√n
2√n 8442.8220992746
3√n 414.62780778126
4√n 91.884830626576
5√n 37.204464274613

Divisors of 71281245

1, 3, 5, 15, 31, 93, 155, 359, 427, 465, 1077, 1281, 1795, 2135, 5385, 6405, 11129, 13237, 33387, 39711, 55645, 66185, 153293, 166935, 198555, 459879, 766465, 2299395, 4752083, 14256249, 23760415, 71281245

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71281244
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71281245 can be divided by 32 positive divisors. The sum of these divisors (counting 71281245) is 1, the average is 0.03125.

Base conversion 71281245

Base System Value
2 Binary 100001111111010101001011101
3 Ternary 11222010110111010
4 Quaternary 10033322221131
5 Quinary 121221444440
6 Senary 11023445433
8 Octal 417725135
10 Decimal 71281245
12 Duodecimal 1ba56879
16 Hexadecimal 43faa5d
20 Vigesimal 125a325
36 Base36 16fsyl

Cryptographic Hash Functions

md5 c522a7c237e043c4f133d51d9735a173
sha1 fc706f8e9b67bf804588bc4cdf57e30db957fbf7
sha256 4d0517db3e148d64b760f7876aef953d10bd3980620dda22ee8b5d0d43986b5f
sha512 cfcad88b0da69ce5524d97246a7c23cbc31a5def1e45bb8ebce318eeac09af23b6755ed587c428e34652eb539720d2917d5ba111d9d01fcfe2d37ae86663a224
ripemd-160 8c3bb0147163c42e2eeb6a8d4c15b9fb7eab59cf

71281245 as geometric shapes

Circle

Radius = n
Diameter 142562490
Circumference 447873271.26147
Area 1.596248218887E+16

Sphere

Radius = n
Volume 1.5171008049506E+24
Surface area 6.384992875548E+16
Circumference 447873271.26147

Square

Length = n
Perimeter 285124980
Area 5081015888750025
Diagonal 100806903.42184

Cube

Length = n
Surface area 30486095332500150
Volume 3.6218113841488E+23
Space diagonal 123462737.96676

Equilateral Triangle

Length = n
Perimeter 213843735
Area 2.2001444183449E+15
Altitude 61731368.983382

Triangular Pyramid

Length = n
Surface area 2.2001444183449E+15
Volume 4.2683456498505E+22
Height 33602301.140613