78311921 (number)

78311921 is an odd 8-digits composite number following 78311920 and preceding 78311922. In scientific notation, it is written as 7.8311921 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 75690000 positive integers (up to 78311921) that are relatively prime to 78311921.

Interesting facts

Basic properties

Name

Name seventy-eight million three hundred eleven thousand nine hundred twenty-one

Notation

Scientific notation 7.8311921 × 10^7
Engineering notation 7.8311921 × 10^6

Prime Factorization of 78311921

Prime Factorization 31 × 1451 × 1741

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78311921
Product of the distinct prime numbers

The prime factorization of 78311921 is 31 × 1451 × 1741. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 6, 89, 89, 874, 413, 2456, 9611, 73807, 92212, 275830, 376399, 4077561, 3129035, 76334344, 87611995, 849352321, 395666583, 2260960873, 1317147296

Basic calculations (n = 78311921)

Multiplication

n×y
n×2 156623842
n×3 234935763
n×4 313247684
n×5 391559605

Division

n÷y
n÷2 39155960.5
n÷3 26103973.666667
n÷3 19577980.25
n÷5 15662384.2

Exponentiation

ny
n2 6132756970710241
n3 4.8026797940246E+23
n4 3.7610708061795E+31
n5 2.9453667984894E+39

Nth Root

y√n
2√n 8849.4022962006
3√n 427.83465422918
4√n 94.071261797642
5√n 37.911029266653

Divisors of 78311921

1, 31, 1451, 1741, 44981, 53971, 2526191, 78311921

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 -78311920
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 78311921 can be divided by 8 positive divisors. The sum of these divisors (counting 78311921) is 1, the average is 0.125.

Base conversion 78311921

Base System Value
2 Binary 100101010101111000111110001
3 Ternary 12110100122202112
4 Quaternary 10222233013301
5 Quinary 130021440141
6 Senary 11434255105
8 Octal 452570761
10 Decimal 78311921
12 Duodecimal 22287495
16 Hexadecimal 4aaf1f1
20 Vigesimal 1498jg1
36 Base36 1amhv5

Cryptographic Hash Functions

md5 761293b3f7d3fe108fcb19686de45e99
sha1 8520cf6a7b2323acc3f94d5ccb810fed781e2fe5
sha256 aacf3478a389bd5a80f4d7592e3bb168c8f2e8b15014183ad8e2de5bf87391da
sha512 001dc8a3f986c6058e15cd2752d33ea240d3f5077c90c3cff4c5be0d7f102efc088313a66c41aec7306e3aec048826c1694585972732433bed2c39b2504d6df8
ripemd-160 8613b78df0215b1a4a5df8bbac353a79088fcffb

78311921 as geometric shapes

Circle

Radius = n
Diameter 156623842
Circumference 492048311.40421
Area 1.9266624245435E+16

Sphere

Radius = n
Volume 2.0117418077936E+24
Surface area 7.706649698174E+16
Circumference 492048311.40421

Square

Length = n
Perimeter 313247684
Area 6132756970710241
Diagonal 110749780.77369

Cube

Length = n
Surface area 36796541824261446
Volume 4.8026797940246E+23
Space diagonal 135640226.01032

Equilateral Triangle

Length = n
Perimeter 234935763
Area 2.6555616659356E+15
Altitude 67820113.00516

Triangular Pyramid

Length = n
Surface area 2.6555616659356E+15
Volume 5.6600124170373E+22
Height 36916593.59123