78394021 (number)

78394021 is an odd 8-digits composite number following 78394020 and preceding 78394022. In scientific notation, it is written as 7.8394021 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 73064640 positive integers (up to 78394021) that are relatively prime to 78394021.

Interesting facts

Basic properties

Name

Name seventy-eight million three hundred ninety-four thousand twenty-one

Notation

Scientific notation 7.8394021 × 10^7
Engineering notation 7.8394021 × 10^6

Prime Factorization of 78394021

Prime Factorization 17 × 103 × 44771

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78394021
Product of the distinct prime numbers

The prime factorization of 78394021 is 17 × 103 × 44771. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78394021)

Multiplication

n×y
n×2 156788042
n×3 235182063
n×4 313576084
n×5 391970105

Division

n÷y
n÷2 39197010.5
n÷3 26131340.333333
n÷3 19598505.25
n÷5 15678804.2

Exponentiation

ny
n2 6145622528548441
n3 4.817800615611E+23
n4 3.7768676263402E+31
n5 2.9608384001353E+39

Nth Root

y√n
2√n 8854.0398124246
3√n 427.98411192368
4√n 94.09590752219
5√n 37.918974905229

Divisors of 78394021

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 -78394020
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 78394021 can be divided by 8 positive divisors. The sum of these divisors (counting 78394021) is 1, the average is 0.125.

Base conversion 78394021

Base System Value
2 Binary 100101011000011001010100101
3 Ternary 12110111211101021
4 Quaternary 10223003022211
5 Quinary 130032102041
6 Senary 11440131141
8 Octal 453031245
10 Decimal 78394021
12 Duodecimal 22306ab1
16 Hexadecimal 4ac32a5
20 Vigesimal 149j511
36 Base36 1ao97p

Cryptographic Hash Functions

md5 a17fc871b3d5e8424093c2ee0bc47c5d
sha1 e880e6e65cdec65ad3512c25f46780a3c0a67648
sha256 20449b29387b5c2c4eff5ad83ce1cd2cddc8803e232200546e0fb7da079df140
sha512 289da41f438cd022546de422440ae68fb257cbbf178e0b49603d1dc1c4e72c5e6d0d0875ae1693c5c456c17eb1270653bb2fdd09017b0b419ab26daf9d6bb421
ripemd-160 0f588b349f3eb328bbb4d0bac9a3e96849050127

78394021 as geometric shapes

Circle

Radius = n
Diameter 156788042
Circumference 492564160.91793
Area 1.9307042587424E+16

Sphere

Radius = n
Volume 2.0180756027285E+24
Surface area 7.7228170349695E+16
Circumference 492564160.91793

Square

Length = n
Perimeter 313576084
Area 6145622528548441
Diagonal 110865887.70716

Cube

Length = n
Surface area 36873735171290646
Volume 4.817800615611E+23
Space diagonal 135782427.38162

Equilateral Triangle

Length = n
Perimeter 235182063
Area 2.6611326158965E+15
Altitude 67891213.690811

Triangular Pyramid

Length = n
Surface area 2.6611326158965E+15
Volume 5.6778324761721E+22
Height 36955295.902387