87978013 (number)

87978013 is an odd 8-digits composite number following 87978012 and preceding 87978014. In scientific notation, it is written as 8.7978013 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 83205408 positive integers (up to 87978013) that are relatively prime to 87978013.

Interesting facts

Basic properties

Name

Name eighty-seven million nine hundred seventy-eight thousand thirteen

Notation

Scientific notation 8.7978013 × 10^7
Engineering notation 8.7978013 × 10^6

Prime Factorization of 87978013

Prime Factorization 2047 × 42979

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87978013
Product of the distinct prime numbers

The prime factorization of 87978013 is 2047 × 42979. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 9, 20, 65, 295, 215, 3661, 9744, 84241, 69939, 348278, 297981, 638206, 2009719, 82336424, 64685007, 857570273, 410197762, 8987546254, 7792223661

Basic calculations (n = 87978013)

Multiplication

n×y
n×2 175956026
n×3 263934039
n×4 351912052
n×5 439890065

Division

n÷y
n÷2 43989006.5
n÷3 29326004.333333
n÷3 21994503.25
n÷5 17595602.6

Exponentiation

ny
n2 7740130771428169
n3 6.8096132563041E+23
n4 5.9909624358809E+31
n5 5.2707297106644E+39

Nth Root

y√n
2√n 9379.6595353989
3√n 444.75897059621
4√n 96.848642403489
5√n 38.803851136161

Divisors of 87978013

1, 2047, 42979, 87978013

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 -87978012
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 87978013 can be divided by 4 positive divisors. The sum of these divisors (counting 87978013) is 1, the average is 0.25.

Base conversion 87978013

Base System Value
2 Binary 101001111100111000000011101
3 Ternary 20010112202010221
4 Quaternary 11033213000131
5 Quinary 140010244023
6 Senary 12421401341
8 Octal 517470035
10 Decimal 87978013
12 Duodecimal 25569251
16 Hexadecimal 53e701d
20 Vigesimal 179h50d
36 Base36 1gdo9p

Cryptographic Hash Functions

md5 1978dde0a03b6e9d7165266aaf1d65ae
sha1 79a1c87e9c79a205ca0129b840e7618f63689a1e
sha256 cc8b360308b6985eff618cd07328eee5015807c5aeea66ea966a22ba26a2b80b
sha512 8c68fd904622d26ee4f3af6f6d1955a32465ec660de553aa39962035d76bacc6fe024e7f67268f4d7e981fde73c4bad920a4eed9ff70dd84c10fc784cec644af
ripemd-160 0fb5a3e3b59871469b9994c335a4243f49b4e13e

87978013 as geometric shapes

Circle

Radius = n
Diameter 175956026
Circumference 552782158.63645
Area 2.4316337969343E+16

Sphere

Radius = n
Volume 2.852404130639E+24
Surface area 9.7265351877372E+16
Circumference 552782158.63645

Square

Length = n
Perimeter 351912052
Area 7740130771428169
Diagonal 124419699.17524

Cube

Length = n
Surface area 46440784628569014
Volume 6.8096132563041E+23
Space diagonal 152382388.46496

Equilateral Triangle

Length = n
Perimeter 263934039
Area 3.3515749383352E+15
Altitude 76191194.232478

Triangular Pyramid

Length = n
Surface area 3.3515749383352E+15
Volume 8.0252061846507E+22
Height 41473233.058412