7894321921 (number)

7894321921 is an odd 10-digits composite number following 7894321920 and preceding 7894321922. In scientific notation, it is written as 7.894321921 × 10^9. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 7893095872 positive integers (up to 7894321921) that are relatively prime to 7894321921.

Interesting facts

Basic properties

Name

Name seven billion eight hundred ninety-four million three hundred twenty-one thousand nine hundred twenty-one

Notation

Scientific notation 7.894321921 × 10^9
Engineering notation 7.894321921 × 10^9

Prime Factorization of 7894321921

Prime Factorization 6473 × 1219577

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 7894321921
Product of the distinct prime numbers

The prime factorization of 7894321921 is 6473 × 1219577. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 27, 88, 259, 427, 8739, 5644, 92178, 73560, 297675, 941526, 4940356, 5062266, 10988065, 94537205, 583516800, 379102650, 9684225602, 8533797781

Basic calculations (n = 7894321921)

Multiplication

n×y
n×2 15788643842
n×3 23682965763
n×4 31577287684
n×5 39471609605

Division

n÷y
n÷2 3947160960.5
n÷3 2631440640.3333
n÷3 1973580480.25
n÷5 1578864384.2

Exponentiation

ny
n2 6.2320318592381E+19
n3 4.9197665718754E+29
n4 3.8838221094559E+39
n5 3.0660142015942E+49

Nth Root

y√n
2√n 88849.996741699
3√n 1991.1544290299
4√n 298.07716575025
5√n 95.381240510262

Divisors of 7894321921

1, 6473, 1219577, 7894321921

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 -7894321920
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 7894321921 can be divided by 4 positive divisors. The sum of these divisors (counting 7894321921) is 1, the average is 0.25.

Base conversion 7894321921

Base System Value
2 Binary 111010110100010011100101100000001
3 Ternary 202101011120002211101
4 Quaternary 13112202130230001
5 Quinary 112131421300141
6 Senary 3343202414401
8 Octal 72642345401
10 Decimal 7894321921
12 Duodecimal 1643961401
16 Hexadecimal 1d689cb01
20 Vigesimal 636ja4g1
36 Base36 3mk2ps1

Cryptographic Hash Functions

md5 14875204f7f13a5252a84e12b1fb2912
sha1 2469e2596c935a014bee7b532e326ce4d5d70ab4
sha256 93ce6e415bd013014f925d6a9291317f99dc801d412e0e7e7e4e92686fe697c8
sha512 11f0fdde5bdbfd8289bab62562b13eae40bad80f16786fff86966774ca75938a14141f18b16cbc1a477f2d8f00de6b351e338493a4ca5b5fe6051cda120ba49b
ripemd-160 8bca9795930d932dbba996220327c2f55e41606c

7894321921 as geometric shapes

Circle

Radius = n
Diameter 15788643842
Circumference 49601487504.173
Area 1.957850550592E+20

Sphere

Radius = n
Volume 2.0607870026107E+30
Surface area 7.831402202368E+20
Circumference 49601487504.173

Square

Length = n
Perimeter 31577287684
Area 6.2320318592381E+19
Diagonal 11164257126.417

Cube

Length = n
Surface area 3.7392191155429E+20
Volume 4.9197665718754E+29
Space diagonal 13673366658.477

Equilateral Triangle

Length = n
Perimeter 23682965763
Area 2.6985489536471E+19
Altitude 6836683329.2384

Triangular Pyramid

Length = n
Surface area 2.6985489536471E+19
Volume 5.7980005080466E+28
Height 3721419042.1391