7921987072 (number)

7921987072 is an even 10-digits composite number following 7921987071 and preceding 7921987073. In scientific notation, it is written as 7.921987072 × 10^9. The sum of its digits is 52. It has a total of 12 prime factors and 80 positive divisors. There are 3622993920 positive integers (up to 7921987072) that are relatively prime to 7921987072.

Interesting facts

Basic properties

Name

Name seven billion nine hundred twenty-one million nine hundred eighty-seven thousand seventy-two

Notation

Scientific notation 7.921987072 × 10^9
Engineering notation 7.921987072 × 10^9

Prime Factorization of 7921987072

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 29 × 28081

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 30945262
Product of the distinct prime numbers

The prime factorization of 7921987072 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 29 × 28081. Since it has a total of 12 prime factors.

Most popular turbo-numbers

Basic calculations (n = 7921987072)

Multiplication

n×y
n×2 15843974144
n×3 23765961216
n×4 31687948288
n×5 39609935360

Division

n÷y
n÷2 3960993536
n÷3 2640662357.3333
n÷3 1980496768
n÷5 1584397414.4

Exponentiation

ny
n2 6.2757879168935E+19
n3 4.9716710744244E+29
n4 3.9385513977827E+39
n5 3.1201153255642E+49

Nth Root

y√n
2√n 89005.545175568
3√n 1993.4776754298
4√n 298.33797139413
5√n 95.447998498912

Divisors of 7921987072

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -7921987071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 7921987072 can be divided by 80 positive divisors. The sum of these divisors (counting 7921987072) is 1, the average is 0.0125.

Base conversion 7921987072

Base System Value
2 Binary 111011000001011111110111000000000
3 Ternary 202110002121122021121
4 Quaternary 13120023332320000
5 Quinary 112211012041242
6 Senary 3350031402024
8 Octal 73013767000
10 Decimal 7921987072
12 Duodecimal 1651083314
16 Hexadecimal 1d82fee00
20 Vigesimal 63fc87dc
36 Base36 3n0jocg

Cryptographic Hash Functions

md5 deaa7801de9bd679089481d6d42b0d7c
sha1 bd4e95221b8351cc98be17b9ca0b6755fe877d47
sha256 a92c61e7f2f411a2b32b3cb131f87c741363e2a898a7d4673a4b6087f60110e9
sha512 2cf84b3a9379c6dabd484cbaa8c5e4f6c3f40401dc3ec95c88501a0ee546cdd0c88528eef0c8695b413e037e80ba3a72d7a45c6416664b1352eac10f54db637b
ripemd-160 470c2fab4de26f2488844fd5f364b400dc5e63e5

7921987072 as geometric shapes

Circle

Radius = n
Diameter 15843974144
Circumference 49775312774.457
Area 1.97159692152E+20

Sphere

Radius = n
Volume 2.0825287097969E+30
Surface area 7.8863876860801E+20
Circumference 49775312774.457

Square

Length = n
Perimeter 31687948288
Area 6.2757879168935E+19
Diagonal 11203381558.167

Cube

Length = n
Surface area 3.7654727501361E+20
Volume 4.9716710744244E+29
Space diagonal 13721284105.608

Equilateral Triangle

Length = n
Perimeter 23765961216
Area 2.7174958823966E+19
Altitude 6860642052.8039

Triangular Pyramid

Length = n
Surface area 2.7174958823966E+19
Volume 5.8591705509242E+28
Height 3734460519.3889