168681609 (number)

168681609 is an odd 9-digits composite number following 168681608 and preceding 168681610. In scientific notation, it is written as 1.68681609 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 107561520 positive integers (up to 168681609) that are relatively prime to 168681609.

Interesting facts

Basic properties

Name

Name one hundred sixty-eight million six hundred eighty-one thousand six hundred nine

Notation

Scientific notation 1.68681609 × 10^8
Engineering notation 1.68681609 × 10^6

Prime Factorization of 168681609

Prime Factorization 207 × 27 × 30181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 168681609
Product of the distinct prime numbers

The prime factorization of 168681609 is 207 × 27 × 30181. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 168681609)

Multiplication

n×y
n×2 337363218
n×3 506044827
n×4 674726436
n×5 843408045

Division

n÷y
n÷2 84340804.5
n÷3 56227203
n÷3 42170402.25
n÷5 33736321.8

Exponentiation

ny
n2 28453485214828881
n3 4.799579667695E+24
n4 8.0960082087049E+32
n5 1.3656476911215E+41

Nth Root

y√n
2√n 12987.748419183
3√n 552.53006149435
4√n 113.96380310951
5√n 44.199112297445

Divisors of 168681609

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168681608
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168681609 can be divided by 8 positive divisors. The sum of these divisors (counting 168681609) is 1, the average is 0.125.

Base conversion 168681609

Base System Value
2 Binary 1010000011011110000010001001
3 Ternary 102202101220200000
4 Quaternary 22003132002021
5 Quinary 321140302414
6 Senary 24423233213
8 Octal 1203360211
10 Decimal 168681609
12 Duodecimal 485a8809
16 Hexadecimal a0de089
20 Vigesimal 2ce5409
36 Base36 2sffk9

Cryptographic Hash Functions

md5 95c1c65eb65450d95d1c63d963e706ee
sha1 ae936be8c34e7e621eb778c90a4fe26ed1a5bf19
sha256 42169acf922c24b4712c6163dce8a15216793c55624cf9c4a9f51c7d77eedce8
sha512 ef2353f2849869da2d610b8f78d2cc5910e9fbbdc9714e020f082c09548a348245dc585c4c1782384428252d808089e3bd982cfaf663e82436b5a6957c9c6b7d
ripemd-160 7862550ffb988367c4374d7d6162bc3c2f9710c7

168681609 as geometric shapes

Circle

Radius = n
Diameter 337363218
Circumference 1059857807.2602
Area 8.9389260119932E+16

Sphere

Radius = n
Volume 2.0104432299133E+25
Surface area 3.5755704047973E+17
Circumference 1059857807.2602

Square

Length = n
Perimeter 674726436
Area 28453485214828881
Diagonal 238551819.17072

Cube

Length = n
Surface area 170720911288973286
Volume 4.799579667695E+24
Space diagonal 292165117.09047

Equilateral Triangle

Length = n
Perimeter 506044827
Area 1.2320720511123E+16
Altitude 146082558.54523

Triangular Pyramid

Length = n
Surface area 1.2320720511123E+16
Volume 5.6563588831204E+23
Height 79517273.056905