7921996978 (number)

7921996978 is an even 10-digits composite number following 7921996977 and preceding 7921996979. In scientific notation, it is written as 7.921996978 × 10^9. The sum of its digits is 67. It has a total of 4 prime factors and 16 positive divisors. There are 3356993376 positive integers (up to 7921996978) that are relatively prime to 7921996978.

Interesting facts

Basic properties

Name

Name seven billion nine hundred twenty-one million nine hundred ninety-six thousand nine hundred seventy-eight

Notation

Scientific notation 7.921996978 × 10^9
Engineering notation 7.921996978 × 10^9

Prime Factorization of 7921996978

Prime Factorization 2 × 7 × 89 × 6357943

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7921996978
Product of the distinct prime numbers

The prime factorization of 7921996978 is 2 × 7 × 89 × 6357943. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 30, 44, 883, 216, 8170, 3819, 89143, 95711, 434949, 268010, 8262085, 1089895, 41060999, 84453636, 667071398, 871336702, 529816405, 7438864567

Basic calculations (n = 7921996978)

Multiplication

n×y
n×2 15843993956
n×3 23765990934
n×4 31687987912
n×5 39609984890

Division

n÷y
n÷2 3960998489
n÷3 2640665659.3333
n÷3 1980499244.5
n÷5 1584399395.6

Exponentiation

ny
n2 6.2758036119441E+19
n3 4.9716897248343E+29
n4 3.9385710975691E+39
n5 3.120134833258E+49

Nth Root

y√n
2√n 89005.600823768
3√n 1993.4785063401
4√n 298.33806465781
5√n 95.448022369372

Divisors of 7921996978

1, 2, 7, 14, 89, 178, 623, 1246, 6357943, 12715886, 44505601, 89011202, 565856927, 1131713854, 3960998489, 7921996978

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -7921996977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 7921996978 can be divided by 16 positive divisors. The sum of these divisors (counting 7921996978) is 1, the average is 0.0625.

Base conversion 7921996978

Base System Value
2 Binary 111011000001100000001010010110010
3 Ternary 202110002122010212111
4 Quaternary 13120030001102302
5 Quinary 112211012400403
6 Senary 3350031515534
8 Octal 73014012262
10 Decimal 7921996978
12 Duodecimal 1651088baa
16 Hexadecimal 1d83014b2
20 Vigesimal 63fc9c8i
36 Base36 3n0jvzm

Cryptographic Hash Functions

md5 820b487a92131ce43e62f7071d377409
sha1 590cd3d469573308c12cd34cc353a23c762efd75
sha256 3ac203fc431b295dece8511d293c24e501ffdd789d60883c9e51d1fb6be9f13a
sha512 f7d19cbdf304808470151fa4517b4023fe7f6b3227ae2168013e072dbd283c802b7f5ecd6078a989536d132aa0e3fc53859f2361ab3dda641273500f024e41a7
ripemd-160 609b160db4e76c6f85ca0b698fef54f4a8d3e740

7921996978 as geometric shapes

Circle

Radius = n
Diameter 15843993956
Circumference 49775375015.691
Area 1.9716018522656E+20

Sphere

Radius = n
Volume 2.0825365220623E+30
Surface area 7.8864074090624E+20
Circumference 49775375015.691

Square

Length = n
Perimeter 31687987912
Area 6.2758036119441E+19
Diagonal 11203395567.366

Cube

Length = n
Surface area 3.7654821671665E+20
Volume 4.9716897248343E+29
Space diagonal 13721301263.303

Equilateral Triangle

Length = n
Perimeter 23765990934
Area 2.7175026785529E+19
Altitude 6860650631.6516

Triangular Pyramid

Length = n
Surface area 2.7175026785529E+19
Volume 5.859192530643E+28
Height 3734465189.1221