8157406721 (number)

8157406721 is an odd 10-digits composite number following 8157406720 and preceding 8157406722. In scientific notation, it is written as 8.157406721 × 10^9. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 8155374000 positive integers (up to 8157406721) that are relatively prime to 8157406721.

Interesting facts

Basic properties

Name

Name eight billion one hundred fifty-seven million four hundred six thousand seven hundred twenty-one

Notation

Scientific notation 8.157406721 × 10^9
Engineering notation 8.157406721 × 10^9

Prime Factorization of 8157406721

Prime Factorization 4021 × 2028701

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 8157406721
Product of the distinct prime numbers

The prime factorization of 8157406721 is 4021 × 2028701. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 8157406721)

Multiplication

n×y
n×2 16314813442
n×3 24472220163
n×4 32629626884
n×5 40787033605

Division

n÷y
n÷2 4078703360.5
n÷3 2719135573.6667
n÷3 2039351680.25
n÷5 1631481344.2

Exponentiation

ny
n2 6.6543284411816E+19
n3 5.4282063549836E+29
n4 4.4280087003118E+39
n5 3.612106793257E+49

Nth Root

y√n
2√n 90318.363143937
3√n 2013.0321241758
4√n 300.53013683146
5√n 96.008663320937

Divisors of 8157406721

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 -8157406720
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 8157406721 can be divided by 4 positive divisors. The sum of these divisors (counting 8157406721) is 1, the average is 0.25.

Base conversion 8157406721

Base System Value
2 Binary 111100110001110000010011000000001
3 Ternary 210001111121012022212
4 Quaternary 13212032002120001
5 Quinary 113201244003341
6 Senary 3425241311505
8 Octal 74616023001
10 Decimal 8157406721
12 Duodecimal 16b7a95595
16 Hexadecimal 1e6382601
20 Vigesimal 6793fgg1
36 Base36 3qwpjb5

Cryptographic Hash Functions

md5 14d964f6d335e8f290e16a920eaffd50
sha1 6fd5a4269e5a8c8b526af88a9c04a98d94eee06b
sha256 ecdb3028d339a7a90d836c292cc401265c7ac7ae0a60d392f42f03f6a3217912
sha512 dd828fff978616c2c3a790bc5ccc25b448ba66fc3724714a6faa880a345b4327557b247577919b5b8a47c4c146b22c9cc670311d9c2cb92dfa2d0dab3da671b4
ripemd-160 280d3519ad01f250cc372b4c81dd441e9bb7ee38

8157406721 as geometric shapes

Circle

Radius = n
Diameter 16314813442
Circumference 51254498054.075
Area 2.090518934539E+20

Sphere

Radius = n
Volume 2.2737617609315E+30
Surface area 8.3620757381559E+20
Circumference 51254498054.075

Square

Length = n
Perimeter 32629626884
Area 6.6543284411816E+19
Diagonal 11536315218.632

Cube

Length = n
Surface area 3.992597064709E+20
Volume 5.4282063549836E+29
Space diagonal 14129042898.776

Equilateral Triangle

Length = n
Perimeter 24472220163
Area 2.8814087375943E+19
Altitude 7064521449.3879

Triangular Pyramid

Length = n
Surface area 2.8814087375943E+19
Volume 6.3972025388147E+28
Height 3845438406.2105