7129387987 (number)

7129387987 is an odd 10-digits composite number following 7129387986 and preceding 7129387988. In scientific notation, it is written as 7.129387987 × 10^9. The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors. There are 7049282416 positive integers (up to 7129387987) that are relatively prime to 7129387987.

Interesting facts

Basic properties

Name

Name seven billion one hundred twenty-nine million three hundred eighty-seven thousand nine hundred eighty-seven

Notation

Scientific notation 7.129387987 × 10^9
Engineering notation 7.129387987 × 10^9

Prime Factorization of 7129387987

Prime Factorization 89 × 80105483

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 7129387987
Product of the distinct prime numbers

The prime factorization of 7129387987 is 89 × 80105483. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 8, 12, 53, 361, 102, 3614, 5597, 12724, 24820, 140533, 364711, 3916715, 8875920, 32920869, 52954974, 956787370, 460417989, 207758295, 2279953216

Basic calculations (n = 7129387987)

Multiplication

n×y
n×2 14258775974
n×3 21388163961
n×4 28517551948
n×5 35646939935

Division

n÷y
n÷2 3564693993.5
n÷3 2376462662.3333
n÷3 1782346996.75
n÷5 1425877597.4

Exponentiation

ny
n2 5.082817306918E+19
n3 3.6237376648057E+29
n4 2.5835031775505E+39
n5 1.8418796518405E+49

Nth Root

y√n
2√n 84435.70327178
3√n 1924.6455061628
4√n 290.57822229441
5√n 93.456701761371

Divisors of 7129387987

1, 89, 80105483, 7129387987

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 -7129387986
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 7129387987 can be divided by 4 positive divisors. The sum of these divisors (counting 7129387987) is 1, the average is 0.25.

Base conversion 7129387987

Base System Value
2 Binary 110101000111100011101001111010011
3 Ternary 200101212012102201221
4 Quaternary 12220330131033103
5 Quinary 104100110403422
6 Senary 3135235305511
8 Octal 65074351723
10 Decimal 7129387987
12 Duodecimal 146b74b297
16 Hexadecimal 1a8f1d3d3
20 Vigesimal 5b7id9j7
36 Base36 39wniz7

Cryptographic Hash Functions

md5 9d236f9b8f741cf9b98258891e0b5c78
sha1 747cb343c186a9d5bfb3888aa0c40dd21d2659ab
sha256 feee2d1ee91437e761e08eaeb62bc4451f38c009a3d336f69da6c79aea7a86ad
sha512 58389c17ae041c339e9095915adbb2156dae66d32ebf37131957999991b022233fcb4c8694271cd9df17969d495268c59227f34188c5999a79d064892a20193e
ripemd-160 254f5ab4def1bc415270239ce7af5d4e6cc4492d

7129387987 as geometric shapes

Circle

Radius = n
Diameter 14258775974
Circumference 44795265849.101
Area 1.5968141510953E+20

Sphere

Radius = n
Volume 1.5179076835054E+30
Surface area 6.387256604381E+20
Circumference 44795265849.101

Square

Length = n
Perimeter 28517551948
Area 5.082817306918E+19
Diagonal 10082477182.635

Cube

Length = n
Surface area 3.0496903841508E+20
Volume 3.6237376648057E+29
Space diagonal 12348462220.355

Equilateral Triangle

Length = n
Perimeter 21388163961
Area 2.2009244552931E+19
Altitude 6174231110.1776

Triangular Pyramid

Length = n
Surface area 2.2009244552931E+19
Volume 4.2706157933753E+28
Height 3360825727.5451