168431387 (number)

168431387 is an odd 9-digits composite number following 168431386 and preceding 168431388. In scientific notation, it is written as 1.68431387 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 164514336 positive integers (up to 168431387) that are relatively prime to 168431387.

Interesting facts

Basic properties

Name

Name one hundred sixty-eight million four hundred thirty-one thousand three hundred eighty-seven

Notation

Scientific notation 1.68431387 × 10^8
Engineering notation 1.68431387 × 10^6

Prime Factorization of 168431387

Prime Factorization 43 × 3917009

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 168431387
Product of the distinct prime numbers

The prime factorization of 168431387 is 43 × 3917009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 168431387)

Multiplication

n×y
n×2 336862774
n×3 505294161
n×4 673725548
n×5 842156935

Division

n÷y
n÷2 84215693.5
n÷3 56143795.666667
n÷3 42107846.75
n÷5 33686277.4

Exponentiation

ny
n2 28369132126743769
n3 4.7782522720937E+24
n4 8.0480765762465E+32
n5 1.3555487004194E+41

Nth Root

y√n
2√n 12978.111842637
3√n 552.25671891963
4√n 113.92151615317
5√n 44.185991532828

Divisors of 168431387

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 -168431386
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 168431387 can be divided by 4 positive divisors. The sum of these divisors (counting 168431387) is 1, the average is 0.25.

Base conversion 168431387

Base System Value
2 Binary 1010000010100000111100011011
3 Ternary 102201221012102112
4 Quaternary 22002200330123
5 Quinary 321104301022
6 Senary 24414022535
8 Octal 1202407433
10 Decimal 168431387
12 Duodecimal 484a7a4b
16 Hexadecimal a0a0f1b
20 Vigesimal 2ccdi97
36 Base36 2sa2hn

Cryptographic Hash Functions

md5 a67bfa363e9d5f5cca830a02ae003c02
sha1 2c4c2ab233c2b4bab87ccee9512b0eebfee8cdd4
sha256 ddc563ba289338aca799ba9d18a41548ab6bd43cc13a819a7fcfd14d61218bb0
sha512 a166c0a996aa4283b34395b67b8f6af9e976ed098518aab9fc7e250aecf1c597d2318440ddfc26152c6867d49d321bfd2eea2240ac9e3cca79c5004a24602473
ripemd-160 9cbb5a8466f0539161e7b19b10f5e82ca2b2e8bc

168431387 as geometric shapes

Circle

Radius = n
Diameter 336862774
Circumference 1058285616.0663
Area 8.9124257078096E+16

Sphere

Radius = n
Volume 2.0015096313344E+25
Surface area 3.5649702831239E+17
Circumference 1058285616.0663

Square

Length = n
Perimeter 673725548
Area 28369132126743769
Diagonal 238197951.82471

Cube

Length = n
Surface area 170214792760462614
Volume 4.7782522720937E+24
Space diagonal 291731719.8733

Equilateral Triangle

Length = n
Perimeter 505294161
Area 1.2284194552539E+16
Altitude 145865859.93665

Triangular Pyramid

Length = n
Surface area 1.2284194552539E+16
Volume 5.6312243063625E+23
Height 79399317.274904