7131987221 (number)

7131987221 is an odd 10-digits composite number following 7131987220 and preceding 7131987222. In scientific notation, it is written as 7.131987221 × 10^9. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 7100842944 positive integers (up to 7131987221) that are relatively prime to 7131987221.

Interesting facts

Basic properties

Name

Name seven billion one hundred thirty-one million nine hundred eighty-seven thousand two hundred twenty-one

Notation

Scientific notation 7.131987221 × 10^9
Engineering notation 7.131987221 × 10^9

Prime Factorization of 7131987221

Prime Factorization 229 × 31144049

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 7131987221
Product of the distinct prime numbers

The prime factorization of 7131987221 is 229 × 31144049. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 4, 88, 45, 63, 871, 2663, 6750, 33531, 57534, 660757, 786743, 5194133, 9272792, 748068, 75753333, 894686342, 104530056, 5765441140, 4445980771

Basic calculations (n = 7131987221)

Multiplication

n×y
n×2 14263974442
n×3 21395961663
n×4 28527948884
n×5 35659936105

Division

n÷y
n÷2 3565993610.5
n÷3 2377329073.6667
n÷3 1782996805.25
n÷5 1426397444.2

Exponentiation

ny
n2 5.0865241720507E+19
n3 3.6277025394373E+29
n4 2.5872728152856E+39
n5 1.8452396655858E+49

Nth Root

y√n
2√n 84451.093663729
3√n 1924.8793736523
4√n 290.60470344392
5√n 93.463515261212

Divisors of 7131987221

1, 229, 31144049, 7131987221

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 -7131987220
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 7131987221 can be divided by 4 positive divisors. The sum of these divisors (counting 7131987221) is 1, the average is 0.25.

Base conversion 7131987221

Base System Value
2 Binary 110101001000110010111110100010101
3 Ternary 200102001002111012212
4 Quaternary 12221012113310111
5 Quinary 104101242042341
6 Senary 3135411123205
8 Octal 65106276425
10 Decimal 7131987221
12 Duodecimal 14705a3505
16 Hexadecimal 1a9197d15
20 Vigesimal 5b8ei811
36 Base36 39y78k5

Cryptographic Hash Functions

md5 a8eb387b8165e1d8c62281dd1781a469
sha1 52b267b72964e0e4fe87cdc47e7a3d7a82fb0e81
sha256 18420a0289663f9657f447461866d570084b7a6c2d9040ed2affa30f99c71214
sha512 e4a57b13d07f04aaf666bdc3e8e6ec4eb0283399de1142b7d3a24124fa20a2ae7e38ec11ef382147608522ae56eebe82fddb374c17cfa3a9315e1d067d3d5b85
ripemd-160 812998c63a2e9df687154b78344ed2cd5f6e2cd8

7131987221 as geometric shapes

Circle

Radius = n
Diameter 14263974442
Circumference 44811597317.98
Area 1.5979786971221E+20

Sphere

Radius = n
Volume 1.5195684863074E+30
Surface area 6.3919147884886E+20
Circumference 44811597317.98

Square

Length = n
Perimeter 28527948884
Area 5.0865241720507E+19
Diagonal 10086153054.61

Cube

Length = n
Surface area 3.0519145032304E+20
Volume 3.6277025394373E+29
Space diagonal 12352964225.704

Equilateral Triangle

Length = n
Perimeter 21395961663
Area 2.2025295749798E+19
Altitude 6176482112.852

Triangular Pyramid

Length = n
Surface area 2.2025295749798E+19
Volume 4.2752884429397E+28
Height 3362051018.2033