71387487 (number)

71387487 is an odd 8-digits composite number following 71387486 and preceding 71387488. In scientific notation, it is written as 7.1387487 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 10 positive divisors. There are 47591604 positive integers (up to 71387487) that are relatively prime to 71387487.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1387487 × 10^7
Engineering notation 7.1387487 × 10^6

Prime Factorization of 71387487

Prime Factorization 9 × 3 × 3 × 881327

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 23795829
Product of the distinct prime numbers

The prime factorization of 71387487 is 9 × 3 × 3 × 881327. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 81, 91, 527, 660, 4927, 5862, 18535, 47491, 715341, 753436, 7368976, 7860682, 40287639, 88809399, 816156972, 854605278, 8838810931, 2991054976

Basic calculations (n = 71387487)

Multiplication

n×y
n×2 142774974
n×3 214162461
n×4 285549948
n×5 356937435

Division

n÷y
n÷2 35693743.5
n÷3 23795829
n÷3 17846871.75
n÷5 14277497.4

Exponentiation

ny
n2 5096173300175169
n3 3.63803005216E+23
n4 2.5970982305418E+31
n5 1.8540031617053E+39

Nth Root

y√n
2√n 8449.1116101043
3√n 414.83370121211
4√n 91.91904922324
5√n 37.215548038014

Divisors of 71387487

1, 3, 9, 27, 81, 881327, 2643981, 7931943, 23795829, 71387487

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71387486
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71387487 can be divided by 10 positive divisors. The sum of these divisors (counting 71387487) is 1, the average is 0.1.

Base conversion 71387487

Base System Value
2 Binary 100010000010100100101011111
3 Ternary 11222022212020000
4 Quaternary 10100110211133
5 Quinary 121233344422
6 Senary 11030025343
8 Octal 420244537
10 Decimal 71387487
12 Duodecimal 1baa8253
16 Hexadecimal 441495f
20 Vigesimal 12638e7
36 Base36 16i2xr

Cryptographic Hash Functions

md5 1edfc09f8242136efd2bc690911c5528
sha1 e42a5d021fc5d48f360bb61c40b4565eeacb7ad6
sha256 3d65cdbf3c7ac3135a1f0cc23646941fdd819362f31fd103749fc0ef73e4b7a5
sha512 5c46a1b8b58936a4fe28f5def0381bb5ead4e1dea90f672588fae0ea8cada345507d7bca51e245bd2105de50e9d0a602dca83e7624cfe2e224bbf84b3ae5b4f6
ripemd-160 c9235afaf71f9729460ac279cbfe9a4656a2d530

71387487 as geometric shapes

Circle

Radius = n
Diameter 142774974
Circumference 448540809.43487
Area 1.6010100601251E+16

Sphere

Radius = n
Volume 1.5238944647206E+24
Surface area 6.4040402405003E+16
Circumference 448540809.43487

Square

Length = n
Perimeter 285549948
Area 5096173300175169
Diagonal 100957152.29913

Cube

Length = n
Surface area 30577039801051014
Volume 3.63803005216E+23
Space diagonal 123646754.50866

Equilateral Triangle

Length = n
Perimeter 214162461
Area 2.2067077700198E+15
Altitude 61823377.254331

Triangular Pyramid

Length = n
Surface area 2.2067077700198E+15
Volume 4.2874595334047E+22
Height 33652384.099711