168681405 (number)

168681405 is an odd 9-digits composite number following 168681404 and preceding 168681406. In scientific notation, it is written as 1.68681405 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 89818368 positive integers (up to 168681405) that are relatively prime to 168681405.

Interesting facts

Basic properties

Name

Name one hundred sixty-eight million six hundred eighty-one thousand four hundred five

Notation

Scientific notation 1.68681405 × 10^8
Engineering notation 1.68681405 × 10^6

Prime Factorization of 168681405

Prime Factorization 3 × 5 × 643 × 17489

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 168681405
Product of the distinct prime numbers

The prime factorization of 168681405 is 3 × 5 × 643 × 17489. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 3, 48, 421, 733, 5286, 6365, 55504, 85500, 362171, 119836, 3048977, 2715836, 2165684, 73193427, 913255524, 518982063, 1023527066, 4579480511

Basic calculations (n = 168681405)

Multiplication

n×y
n×2 337362810
n×3 506044215
n×4 674725620
n×5 843407025

Division

n÷y
n÷2 84340702.5
n÷3 56227135
n÷3 42170351.25
n÷5 33736281

Exponentiation

ny
n2 28453416392774025
n3 4.7995622541832E+24
n4 8.0959690442058E+32
n5 1.3656394332131E+41

Nth Root

y√n
2√n 12987.740565626
3√n 552.52983875483
4√n 113.96376865314
5√n 44.199101606744

Divisors of 168681405

1, 3, 5, 15, 643, 1929, 3215, 9645, 17489, 52467, 87445, 262335, 11245427, 33736281, 56227135, 168681405

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168681404
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168681405 can be divided by 16 positive divisors. The sum of these divisors (counting 168681405) is 1, the average is 0.0625.

Base conversion 168681405

Base System Value
2 Binary 1010000011011101111110111101
3 Ternary 102202101220101110
4 Quaternary 22003131332331
5 Quinary 321140301110
6 Senary 24423232233
8 Octal 1203357675
10 Decimal 168681405
12 Duodecimal 485a8679
16 Hexadecimal a0ddfbd
20 Vigesimal 2ce53a5
36 Base36 2sffel

Cryptographic Hash Functions

md5 35244c6147f7e636116bfb30ca41d105
sha1 505c0f41e468500e3badece679f0966234cbb258
sha256 5f2fa95ad7ffe9cd6491c19d34a79c2cae4e00b985cc60ab2860d69975dcfdb7
sha512 532b864dbc93793617d94116267b8e791454f39523aa35c889a9cead100179568ea09ffd079c73010b3a209bf54f79ebda303b3a43b1cc841c3e74b131dd0a73
ripemd-160 1e7eea7ed450fa6909330ba111714c3ed63671ae

168681405 as geometric shapes

Circle

Radius = n
Diameter 337362810
Circumference 1059856525.4904
Area 8.938904390907E+16

Sphere

Radius = n
Volume 2.0104359357585E+25
Surface area 3.5755617563628E+17
Circumference 1059856525.4904

Square

Length = n
Perimeter 674725620
Area 28453416392774025
Diagonal 238551530.67115

Cube

Length = n
Surface area 170720498356644150
Volume 4.7995622541832E+24
Space diagonal 292164763.7521

Equilateral Triangle

Length = n
Perimeter 506044215
Area 1.2320690710299E+16
Altitude 146082381.87605

Triangular Pyramid

Length = n
Surface area 1.2320690710299E+16
Volume 5.6563383610998E+23
Height 79517176.890383