168688081 (number)

168688081 is an odd 9-digits composite number following 168688080 and preceding 168688082. In scientific notation, it is written as 1.68688081 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 163246500 positive integers (up to 168688081) that are relatively prime to 168688081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.68688081 × 10^8
Engineering notation 1.68688081 × 10^6

Prime Factorization of 168688081

Prime Factorization 31 × 5441551

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 168688081
Product of the distinct prime numbers

The prime factorization of 168688081 is 31 × 5441551. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 85, 72, 4, 416, 584, 4803, 23145, 46641, 796452, 108738, 7607680, 6904894, 69701828, 72157417, 50683995, 343667468, 5371428413, 5091352517

Basic calculations (n = 168688081)

Multiplication

n×y
n×2 337376162
n×3 506064243
n×4 674752324
n×5 843440405

Division

n÷y
n÷2 84344040.5
n÷3 56229360.333333
n÷3 42172020.25
n÷5 33737616.2

Exponentiation

ny
n2 28455668671462561
n3 4.8001321417608E+24
n4 8.0972507954006E+32
n5 1.3659096980518E+41

Nth Root

y√n
2√n 12987.997574684
3√n 552.53712792134
4√n 113.96489623864
5√n 44.199451459807

Divisors of 168688081

1, 31, 5441551, 168688081

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 -168688080
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 168688081 can be divided by 4 positive divisors. The sum of these divisors (counting 168688081) is 1, the average is 0.25.

Base conversion 168688081

Base System Value
2 Binary 1010000011011111100111010001
3 Ternary 102202102020112201
4 Quaternary 22003133213101
5 Quinary 321141004311
6 Senary 24423323201
8 Octal 1203374721
10 Decimal 168688081
12 Duodecimal 485b0501
16 Hexadecimal a0df9d1
20 Vigesimal 2ce6041
36 Base36 2sfkk1

Cryptographic Hash Functions

md5 904772d04992d337b4d1630cca1aa2c6
sha1 e1048b535731125e80de943fe6a251af53ff2066
sha256 370e4b47529eaf44f9516a258deadc04ad3a9cd15a14cc515ab50261fd22a428
sha512 a0d97cf808d651917cf1b7b29759ef199a23c8a661587a04e2b9fe2cd8b0fbf29101d3b017c89395e55e7dd64ebb487180285c6f666fa8bfb0479af44fbda9e5
ripemd-160 57c87ac17da391db0bfde79c702a880c16b45264

168688081 as geometric shapes

Circle

Radius = n
Diameter 337376162
Circumference 1059898472.0355
Area 8.9396119651252E+16

Sphere

Radius = n
Volume 2.0106746497088E+25
Surface area 3.5758447860501E+17
Circumference 1059898472.0355

Square

Length = n
Perimeter 674752324
Area 28455668671462561
Diagonal 238560971.96089

Cube

Length = n
Surface area 170734012028775366
Volume 4.8001321417608E+24
Space diagonal 292176326.92329

Equilateral Triangle

Length = n
Perimeter 506064243
Area 1.232166597558E+16
Altitude 146088163.46165

Triangular Pyramid

Length = n
Surface area 1.232166597558E+16
Volume 5.657009980051E+23
Height 79520323.986964