71397487 (number)

71397487 is an odd 8-digits composite number following 71397486 and preceding 71397488. In scientific notation, it is written as 7.1397487 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 61197840 positive integers (up to 71397487) that are relatively prime to 71397487.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1397487 × 10^7
Engineering notation 7.1397487 × 10^6

Prime Factorization of 71397487

Prime Factorization 7 × 10199641

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71397487
Product of the distinct prime numbers

The prime factorization of 71397487 is 7 × 10199641. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 90, 51, 227, 709, 8965, 448, 5836, 82470, 90492, 958855, 5822829, 5356752, 65231680, 81306707, 205595136, 31777680, 2139980293, 2739161766

Basic calculations (n = 71397487)

Multiplication

n×y
n×2 142794974
n×3 214192461
n×4 285589948
n×5 356987435

Division

n÷y
n÷2 35698743.5
n÷3 23799162.333333
n÷3 17849371.75
n÷5 14279497.4

Exponentiation

ny
n2 5097601149915169
n3 3.6395591183225E+23
n4 2.5985537483616E+31
n5 1.8553020746745E+39

Nth Root

y√n
2√n 8449.7033675745
3√n 414.85307035508
4√n 91.922268072402
5√n 37.216590614648

Divisors of 71397487

1, 7, 10199641, 71397487

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71397486
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71397487 can be divided by 4 positive divisors. The sum of these divisors (counting 71397487) is 1, the average is 0.25.

Base conversion 71397487

Base System Value
2 Binary 100010000010111000001101111
3 Ternary 11222100100221101
4 Quaternary 10100113001233
5 Quinary 121234204422
6 Senary 11030143531
8 Octal 420270157
10 Decimal 71397487
12 Duodecimal 1bab1ba7
16 Hexadecimal 441706f
20 Vigesimal 1264de7
36 Base36 16ianj

Cryptographic Hash Functions

md5 ec791b377acf0d2ee28efdc0d552219a
sha1 98f1162fb65b1e5fb71f8f98ead27a32f6231cf2
sha256 d82c51543c2babb2b4d4a3db9f68674a69a48ea50496ee6105083800e40d87e3
sha512 bffbada2c60916ec5db2c0c83fb18195e8f08296917c482c599078edd7abfb99d4524b15bcb3528c51c1b75b691ee71b44c6b24d8c09c94d548f69e5094d6b62
ripemd-160 b0aa7eb30f1e1364913e97d80bc836db3c7e0284

71397487 as geometric shapes

Circle

Radius = n
Diameter 142794974
Circumference 448603641.28795
Area 1.6014586323504E+16

Sphere

Radius = n
Volume 1.524534958457E+24
Surface area 6.4058345294018E+16
Circumference 448603641.28795

Square

Length = n
Perimeter 285589948
Area 5097601149915169
Diagonal 100971294.43476

Cube

Length = n
Surface area 30585606899491014
Volume 3.6395591183225E+23
Space diagonal 123664075.01674

Equilateral Triangle

Length = n
Perimeter 214192461
Area 2.2073260470937E+15
Altitude 61832037.508369

Triangular Pyramid

Length = n
Surface area 2.2073260470937E+15
Volume 4.2892615551587E+22
Height 33657098.144919