78397890 (number)

78397890 is an even 8-digits composite number following 78397889 and preceding 78397891. In scientific notation, it is written as 7.8397890 × 10^7. The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors. There are 20860224 positive integers (up to 78397890) that are relatively prime to 78397890.

Interesting facts

Basic properties

Name

Name seventy-eight million three hundred ninety-seven thousand eight hundred ninety

Notation

Scientific notation 7.8397890 × 10^7
Engineering notation 7.8397890 × 10^6

Prime Factorization of 78397890

Prime Factorization 2 × 3 × 5 × 499 × 5237

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 78397890
Product of the distinct prime numbers

The prime factorization of 78397890 is 2 × 3 × 5 × 499 × 5237. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 2, 61, 48, 337, 902, 5182, 2199, 27774, 98569, 677755, 289226, 5848830, 2898120, 85859566, 19909232, 523920570, 170562617, 6754195214, 5984394668

Basic calculations (n = 78397890)

Multiplication

n×y
n×2 156795780
n×3 235193670
n×4 313591560
n×5 391989450

Division

n÷y
n÷2 39198945
n÷3 26132630
n÷3 19599472.5
n÷5 15679578

Exponentiation

ny
n2 6146229156452100
n3 4.8185139732232E+23
n4 3.7776132843622E+31
n5 2.9615691072997E+39

Nth Root

y√n
2√n 8854.2582975651
3√n 427.99115261066
4√n 94.097068485501
5√n 37.919349182798

Divisors of 78397890

1, 2, 3, 5, 6, 10, 15, 30, 499, 998, 1497, 2495, 2994, 4990, 5237, 7485, 10474, 14970, 15711, 26185, 31422, 52370, 78555, 157110, 2613263, 5226526, 7839789, 13066315, 15679578, 26132630, 39198945, 78397890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78397889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78397890 can be divided by 32 positive divisors. The sum of these divisors (counting 78397890) is 1, the average is 0.03125.

Base conversion 78397890

Base System Value
2 Binary 100101011000100000111000010
3 Ternary 12110112000200120
4 Quaternary 10223010013002
5 Quinary 130032213030
6 Senary 11440201110
8 Octal 453040702
10 Decimal 78397890
12 Duodecimal 22309196
16 Hexadecimal 4ac41c2
20 Vigesimal 149jeea
36 Base36 1aoc76

Cryptographic Hash Functions

md5 1394357dbf31837ab8bc953c9f2fbc45
sha1 e072d95fdebffa5314f206cb0a28307e9d082ee3
sha256 818f483ccfdd74bc5bd87d5ec86c6e9d4580064a659176b21326e143424f62f3
sha512 43c144261c1dd051dfe28058685e931ebdbff0a98a46c15470d5c3102c5dbee2216461dcee5567a5b4700e0548b8af28051b870cb34d6c970e62a9f981135449
ripemd-160 38649b4db00a138bd07e86d49adfe0edee474f39

78397890 as geometric shapes

Circle

Radius = n
Diameter 156795780
Circumference 492588470.56188
Area 1.9308948365189E+16

Sphere

Radius = n
Volume 2.0183744132664E+24
Surface area 7.7235793460757E+16
Circumference 492588470.56188

Square

Length = n
Perimeter 313591560
Area 6146229156452100
Diagonal 110871359.29943

Cube

Length = n
Surface area 36877374938712600
Volume 4.8185139732232E+23
Space diagonal 135789128.6862

Equilateral Triangle

Length = n
Perimeter 235193670
Area 2.6613952934841E+15
Altitude 67894564.343098

Triangular Pyramid

Length = n
Surface area 2.6613952934841E+15
Volume 5.6786731761805E+22
Height 36957119.766478