71398487 (number)

71398487 is an odd 8-digits composite number following 71398486 and preceding 71398488. In scientific notation, it is written as 7.1398487 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 63936000 positive integers (up to 71398487) that are relatively prime to 71398487.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred ninety-eight thousand four hundred eighty-seven

Notation

Scientific notation 7.1398487 × 10^7
Engineering notation 7.1398487 × 10^6

Prime Factorization of 71398487

Prime Factorization 17 × 61 × 31 × 2221

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71398487
Product of the distinct prime numbers

The prime factorization of 71398487 is 17 × 61 × 31 × 2221. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 6, 87, 962, 68, 9229, 9675, 27643, 25734, 62130, 687464, 6990452, 1051904, 30045002, 75513231, 638333224, 578055893, 6682267498, 9671487322

Basic calculations (n = 71398487)

Multiplication

n×y
n×2 142796974
n×3 214195461
n×4 285593948
n×5 356992435

Division

n÷y
n÷2 35699243.5
n÷3 23799495.666667
n÷3 17849621.75
n÷5 14279697.4

Exponentiation

ny
n2 5097743945889169
n3 3.639712048499E+23
n4 2.598699333785E+31
n5 1.8554320060015E+39

Nth Root

y√n
2√n 8449.7625410422
3√n 414.85500716991
4√n 91.922589938721
5√n 37.216694865886

Divisors of 71398487

1, 17, 31, 61, 527, 1037, 1891, 2221, 32147, 37757, 68851, 135481, 1170467, 2303177, 4199911, 71398487

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71398486
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71398487 can be divided by 16 positive divisors. The sum of these divisors (counting 71398487) is 1, the average is 0.0625.

Base conversion 71398487

Base System Value
2 Binary 100010000010111010001010111
3 Ternary 11222100102022102
4 Quaternary 10100113101113
5 Quinary 121234222422
6 Senary 11030152315
8 Octal 420272127
10 Decimal 71398487
12 Duodecimal 1bab269b
16 Hexadecimal 4417457
20 Vigesimal 1264g47
36 Base36 16ibfb

Cryptographic Hash Functions

md5 9b97457b9c4648bca7c75a87e16c2664
sha1 aff9210cbda6813f4c23efc7227eb998800d0534
sha256 5c35e9ce03d6cfb0d34b7f8a6e5eb1201e88d4b7100ef8534896fdde129e82eb
sha512 6354522df48cb49966644c5e6ad040e2379f70eed3b6cba978170d8b942c4b67a66f22bca9705c0d093635cf533da7026d509de682ab3c483bb6514d49558434
ripemd-160 f2384814bd907c710e1b43ec239b202788cfcd24

71398487 as geometric shapes

Circle

Radius = n
Diameter 142796974
Circumference 448609924.47325
Area 1.6015034930287E+16

Sphere

Radius = n
Volume 1.5245990176995E+24
Surface area 6.4060139721149E+16
Circumference 448609924.47325

Square

Length = n
Perimeter 285593948
Area 5097743945889169
Diagonal 100972708.64832

Cube

Length = n
Surface area 30586463675335014
Volume 3.639712048499E+23
Space diagonal 123665807.06755

Equilateral Triangle

Length = n
Perimeter 214195461
Area 2.2073878795642E+15
Altitude 61832903.533773

Triangular Pyramid

Length = n
Surface area 2.2073878795642E+15
Volume 4.2894417851E+22
Height 33657569.54944