78996921 (number)

78996921 is an odd 8-digits composite number following 78996920 and preceding 78996922. In scientific notation, it is written as 7.8996921 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 52249680 positive integers (up to 78996921) that are relatively prime to 78996921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8996921 × 10^7
Engineering notation 7.8996921 × 10^6

Prime Factorization of 78996921

Prime Factorization 3 × 127 × 207341

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78996921
Product of the distinct prime numbers

The prime factorization of 78996921 is 3 × 127 × 207341. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78996921)

Multiplication

n×y
n×2 157993842
n×3 236990763
n×4 315987684
n×5 394984605

Division

n÷y
n÷2 39498460.5
n÷3 26332307
n÷3 19749230.25
n÷5 15799384.2

Exponentiation

ny
n2 6240513527480241
n3 4.9298135412979E+23
n4 3.8944009086664E+31
n5 3.0764568092425E+39

Nth Root

y√n
2√n 8888.0212083455
3√n 429.07846815861
4√n 94.276302474936
5√n 37.977120526841

Divisors of 78996921

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78996920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78996921 can be divided by 8 positive divisors. The sum of these divisors (counting 78996921) is 1, the average is 0.125.

Base conversion 78996921

Base System Value
2 Binary 100101101010110010110111001
3 Ternary 12111122110101220
4 Quaternary 10231112112321
5 Quinary 130210400141
6 Senary 11501102253
8 Octal 455262671
10 Decimal 78996921
12 Duodecimal 22557989
16 Hexadecimal 4b565b9
20 Vigesimal 14dec61
36 Base36 1b16ex

Cryptographic Hash Functions

md5 a19d7c62603c09d286f3966d20ef29a4
sha1 1a34523b7bc5a73d50f5d3b51e59b7de3466ad39
sha256 67ea6930dcdb6cb998ef2f3f9286b48bb0cd08fed6d008b26223a67d9d3f1b99
sha512 00ffb0b7d443a65bad9ede996670f06a6f4c9384961acd909a33e2cd06148d4451e9c643b2367d31e1a78fe53e5dbe3fd6d49bc4d63df43f725cfffe972014b8
ripemd-160 5b348a19e4623e9444c094a3ac8685a22b0a370c

78996921 as geometric shapes

Circle

Radius = n
Diameter 157993842
Circumference 496352293.33963
Area 1.960515145256E+16

Sphere

Radius = n
Volume 2.0649954673212E+24
Surface area 7.8420605810239E+16
Circumference 496352293.33963

Square

Length = n
Perimeter 315987684
Area 6240513527480241
Diagonal 111718517.06392

Cube

Length = n
Surface area 37443081164881446
Volume 4.9298135412979E+23
Space diagonal 136826680.8135

Equilateral Triangle

Length = n
Perimeter 236990763
Area 2.7022216237292E+15
Altitude 68413340.406752

Triangular Pyramid

Length = n
Surface area 2.7022216237292E+15
Volume 5.8098409750617E+22
Height 37239505.687972