78984987 (number)

78984987 is an odd 8-digits composite number following 78984986 and preceding 78984988. In scientific notation, it is written as 7.8984987 × 10^7. The sum of its digits is 60. It has a total of 2 prime factors and 4 positive divisors. There are 52656656 positive integers (up to 78984987) that are relatively prime to 78984987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8984987 × 10^7
Engineering notation 7.8984987 × 10^6

Prime Factorization of 78984987

Prime Factorization 3 × 26328329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78984987
Product of the distinct prime numbers

The prime factorization of 78984987 is 3 × 26328329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 2, 4, 36, 359, 682, 6726, 4139, 50730, 28578, 727368, 652868, 6079920, 3148417, 22176818, 52053135, 272892432, 603937348, 9753633967, 3949944026

Basic calculations (n = 78984987)

Multiplication

n×y
n×2 157969974
n×3 236954961
n×4 315939948
n×5 394924935

Division

n÷y
n÷2 39492493.5
n÷3 26328329
n÷3 19746246.75
n÷5 15796997.4

Exponentiation

ny
n2 6238628171390169
n3 4.9275796501509E+23
n4 3.8920481460863E+31
n5 3.07413372222E+39

Nth Root

y√n
2√n 8887.3498299549
3√n 429.0568602265
4√n 94.272741712305
5√n 37.975973023014

Divisors of 78984987

1, 3, 26328329, 78984987

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 -78984986
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 78984987 can be divided by 4 positive divisors. The sum of these divisors (counting 78984987) is 1, the average is 0.25.

Base conversion 78984987

Base System Value
2 Binary 100101101010011011100011011
3 Ternary 12111121212000220
4 Quaternary 10231103130123
5 Quinary 130210004422
6 Senary 11500531123
8 Octal 455233433
10 Decimal 78984987
12 Duodecimal 22550aa3
16 Hexadecimal 4b5371b
20 Vigesimal 14dd297
36 Base36 1b0x7f

Cryptographic Hash Functions

md5 fe0602454652d1f5954da02a16ea6f14
sha1 24222a821489e7d38691392baea39554f49d128e
sha256 b3fa3be16eacb8078b59360d8b01ce6176a2f6f05f2444675ec2fac55b97e52b
sha512 44ada6529ed4327f16f7ed49ed0bf452c0f586e997a7a909aaa756b5d22e03a3ed46f6699b19fcb6789d01a4ce3e720268a0c292101114f8483dfe28fec8cabe
ripemd-160 e665ff7d8087e4ebecf50751bf34ddf846793e20

78984987 as geometric shapes

Circle

Radius = n
Diameter 157969974
Circumference 496277309.80617
Area 1.9599228431718E+16

Sphere

Radius = n
Volume 2.0640597371857E+24
Surface area 7.8396913726871E+16
Circumference 496277309.80617

Square

Length = n
Perimeter 315939948
Area 6238628171390169
Diagonal 111701639.83926

Cube

Length = n
Surface area 37431769028341014
Volume 4.9275796501509E+23
Space diagonal 136806010.51917

Equilateral Triangle

Length = n
Perimeter 236954961
Area 2.7014052405946E+15
Altitude 68403005.259584

Triangular Pyramid

Length = n
Surface area 2.7014052405946E+15
Volume 5.8072083090975E+22
Height 37233879.946421