168112981 (number)

168112981 is an odd 9-digits composite number following 168112980 and preceding 168112982. In scientific notation, it is written as 1.68112981 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 166050000 positive integers (up to 168112981) that are relatively prime to 168112981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.68112981 × 10^8
Engineering notation 1.68112981 × 10^6

Prime Factorization of 168112981

Prime Factorization 27331 × 6151

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 168112981
Product of the distinct prime numbers

The prime factorization of 168112981 is 27331 × 6151. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 3, 46, 92, 432, 820, 9334, 2568, 77364, 10218, 257119, 410046, 9954624, 6330704, 43510116, 76787177, 352858242, 983241520, 9321368825, 3562550110

Basic calculations (n = 168112981)

Multiplication

n×y
n×2 336225962
n×3 504338943
n×4 672451924
n×5 840564905

Division

n÷y
n÷2 84056490.5
n÷3 56037660.333333
n÷3 42028245.25
n÷5 33622596.2

Exponentiation

ny
n2 28261974380706361
n3 4.7512047620862E+24
n4 7.987391958957E+32
n5 1.3427842726357E+41

Nth Root

y√n
2√n 12965.839001006
3√n 551.90850042057
4√n 113.86763807599
5√n 44.169272872793

Divisors of 168112981

1, 6151, 27331, 168112981

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 -168112980
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 168112981 can be divided by 4 positive divisors. The sum of these divisors (counting 168112981) is 1, the average is 0.25.

Base conversion 168112981

Base System Value
2 Binary 1010000001010011001101010101
3 Ternary 102201100000122201
4 Quaternary 22001103031111
5 Quinary 321014103411
6 Senary 24403124501
8 Octal 1201231525
10 Decimal 168112981
12 Duodecimal 48373731
16 Hexadecimal a053355
20 Vigesimal 2cae291
36 Base36 2s38t1

Cryptographic Hash Functions

md5 9db947f68c7115f07b67ec41a0769468
sha1 226ab33cdfe8c0cf49eaba93fdc5d5b0f1c775a0
sha256 40bdff528ee8044ea5a181b76d8d352e0e13aa9f436fe8b3ffcd5c16c7903a9f
sha512 24f663dea1a058ff1c9b4f64b6f880e599f4ab34d5356358f99efe25034e0b8e3a3b3c13ccdab5366024b516976dfbe6571b452a434165b5a276037dd61f5e47
ripemd-160 6a7680d9b07287cc799d90b0aa5847b310f74dfa

168112981 as geometric shapes

Circle

Radius = n
Diameter 336225962
Circumference 1056285012.1654
Area 8.878761109037E+16

Sphere

Radius = n
Volume 1.9901799968361E+25
Surface area 3.5515044436148E+17
Circumference 1056285012.1654

Square

Length = n
Perimeter 672451924
Area 28261974380706361
Diagonal 237747657.74117

Cube

Length = n
Surface area 169571846284238166
Volume 4.7512047620862E+24
Space diagonal 291180224.50386

Equilateral Triangle

Length = n
Perimeter 504338943
Area 1.2237793887398E+16
Altitude 145590112.25193

Triangular Pyramid

Length = n
Surface area 1.2237793887398E+16
Volume 5.5993485101283E+23
Height 79249219.247057