87923981 (number)

87923981 is an odd 8-digits composite number following 87923980 and preceding 87923982. In scientific notation, it is written as 8.7923981 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 86053212 positive integers (up to 87923981) that are relatively prime to 87923981.

Interesting facts

Basic properties

Name

Name eighty-seven million nine hundred twenty-three thousand nine hundred eighty-one

Notation

Scientific notation 8.7923981 × 10^7
Engineering notation 8.7923981 × 10^6

Prime Factorization of 87923981

Prime Factorization 47 × 1870723

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87923981
Product of the distinct prime numbers

The prime factorization of 87923981 is 47 × 1870723. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87923981)

Multiplication

n×y
n×2 175847962
n×3 263771943
n×4 351695924
n×5 439619905

Division

n÷y
n÷2 43961990.5
n÷3 29307993.666667
n÷3 21980995.25
n÷5 17584796.2

Exponentiation

ny
n2 7730626434888361
n3 6.7970745177922E+23
n4 5.9762585075795E+31
n5 5.2545643947151E+39

Nth Root

y√n
2√n 9376.7788179097
3√n 444.66790186522
4√n 96.833768995685
5√n 38.799083661041

Divisors of 87923981

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 -87923980
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 87923981 can be divided by 4 positive divisors. The sum of these divisors (counting 87923981) is 1, the average is 0.25.

Base conversion 87923981

Base System Value
2 Binary 101001111011001110100001101
3 Ternary 20010110000000202
4 Quaternary 11033121310031
5 Quinary 140002031411
6 Senary 12420303245
8 Octal 517316415
10 Decimal 87923981
12 Duodecimal 25541b25
16 Hexadecimal 53d9d0d
20 Vigesimal 179a9j1
36 Base36 1gcikt

Cryptographic Hash Functions

md5 b46861cc9f0051adf66f3fb8bd2f4a16
sha1 a2ae9c90131abc6f64b5987e653f9e6dd584006c
sha256 fa11dc9a0c7a30674406e078dbbc5f731a95ea9a858d5e4987e3260fce32d946
sha512 f268b6ed3d2320d4250951a8bc0e8af4952f6ece1435357f9ea1e5b6ae9c46768ada0d20c28f74c6d7c8db62c28d87f59f0db193da705a378e7194d6e17ba165
ripemd-160 9bd5d6992cf9586fb6f34f1e4ace846e61f3b595

87923981 as geometric shapes

Circle

Radius = n
Diameter 175847962
Circumference 552442665.56794
Area 2.4286479215492E+16

Sphere

Radius = n
Volume 2.8471519161331E+24
Surface area 9.7145916861969E+16
Circumference 552442665.56794

Square

Length = n
Perimeter 351695924
Area 7730626434888361
Diagonal 124343286.38803

Cube

Length = n
Surface area 46383758609330166
Volume 6.7970745177922E+23
Space diagonal 152288802.29572

Equilateral Triangle

Length = n
Perimeter 263771943
Area 3.3474594398904E+15
Altitude 76144401.14786

Triangular Pyramid

Length = n
Surface area 3.3474594398904E+15
Volume 8.0104291396019E+22
Height 41447762.129345