687130861 (number)

687130861 is an odd 9-digits composite number following 687130860 and preceding 687130862. In scientific notation, it is written as 6.87130861 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 678432924 positive integers (up to 687130861) that are relatively prime to 687130861.

Interesting facts

Basic properties

Name

Name six hundred eighty-seven million one hundred thirty thousand eight hundred sixty-one

Notation

Scientific notation 6.87130861 × 10^8
Engineering notation 6.87130861 × 10^6

Prime Factorization of 687130861

Prime Factorization 79 × 8697859

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 687130861
Product of the distinct prime numbers

The prime factorization of 687130861 is 79 × 8697859. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 37, 12, 294, 555, 2649, 5066, 63866, 12015, 998163, 111091, 3527300, 2296770, 98328511, 9313554, 282921026, 334743025, 5445397014, 4575816381

Basic calculations (n = 687130861)

Multiplication

n×y
n×2 1374261722
n×3 2061392583
n×4 2748523444
n×5 3435654305

Division

n÷y
n÷2 343565430.5
n÷3 229043620.33333
n÷3 171782715.25
n÷5 137426172.2

Exponentiation

ny
n2 472148820138601321
n3 3.2442802530197E+26
n4 2.2292450835827E+35
n5 1.5317830936622E+44

Nth Root

y√n
2√n 26213.181054576
3√n 882.4290932177
4√n 161.90485185619
5√n 58.533957901236

Divisors of 687130861

1, 79, 8697859, 687130861

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 -687130860
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 687130861 can be divided by 4 positive divisors. The sum of these divisors (counting 687130861) is 1, the average is 0.25.

Base conversion 687130861

Base System Value
2 Binary 101000111101001100100011101101
3 Ternary 1202212221212100011
4 Quaternary 220331030203231
5 Quinary 2401401141421
6 Senary 152103333221
8 Octal 5075144355
10 Decimal 687130861
12 Duodecimal 172151211
16 Hexadecimal 28f4c8ed
20 Vigesimal aeeb731
36 Base36 bd3lkd

Cryptographic Hash Functions

md5 b09e851c68c19e6573eb515fec215ac7
sha1 0a0c605a11d1fb583813e0e927593e87487af3c1
sha256 6d7b73f36e876b218f2b4655a9769f99454283851e78c94345f42d0346a8fef8
sha512 3dfd247cc948483256da31d482a202247688db362523b548d7a5ff8f2782c8273cac9fb47e80ad732dab530ca5f772f7ade397518a4a139ade948ae0c76316b5
ripemd-160 d31444ef122281e47e49cc451882190f0c643eed

687130861 as geometric shapes

Circle

Radius = n
Diameter 1374261722
Circumference 4317370529.9449
Area 1.4832992647485E+18

Sphere

Radius = n
Volume 1.3589609345431E+27
Surface area 5.9331970589941E+18
Circumference 4317370529.9449

Square

Length = n
Perimeter 2748523444
Area 472148820138601321
Diagonal 971749782.7513

Cube

Length = n
Surface area 2832892920831607926
Volume 3.2442802530197E+26
Space diagonal 1190145562.7005

Equilateral Triangle

Length = n
Perimeter 2061392583
Area 2.0444643630344E+17
Altitude 595072781.35027

Triangular Pyramid

Length = n
Surface area 2.0444643630344E+17
Volume 3.8234209449664E+25
Height 323916594.25043