78661490 (number)

78661490 is an even 8-digits composite number following 78661489 and preceding 78661491. In scientific notation, it is written as 7.8661490 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 31237680 positive integers (up to 78661490) that are relatively prime to 78661490.

Interesting facts

Basic properties

Name

Name seventy-eight million six hundred sixty-one thousand four hundred ninety

Notation

Scientific notation 7.8661490 × 10^7
Engineering notation 7.8661490 × 10^6

Prime Factorization of 78661490

Prime Factorization 2 × 5 × 139 × 56591

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78661490
Product of the distinct prime numbers

The prime factorization of 78661490 is 2 × 5 × 139 × 56591. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 89, 83, 580, 877, 7903, 2719, 39523, 662, 794200, 183405, 8891973, 1069479, 34894707, 67421157, 278006661, 2815693, 3296872716, 9784752918

Basic calculations (n = 78661490)

Multiplication

n×y
n×2 157322980
n×3 235984470
n×4 314645960
n×5 393307450

Division

n÷y
n÷2 39330745
n÷3 26220496.666667
n÷3 19665372.5
n÷5 15732298

Exponentiation

ny
n2 6187630009020100
n3 4.8672819607823E+23
n4 3.8286765128526E+31
n5 3.0116939922899E+39

Nth Root

y√n
2√n 8869.1312990619
3√n 428.47029926025
4√n 94.17606542568
5√n 37.944814470595

Divisors of 78661490

1, 2, 5, 10, 139, 278, 695, 1390, 56591, 113182, 282955, 565910, 7866149, 15732298, 39330745, 78661490

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78661489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78661490 can be divided by 16 positive divisors. The sum of these divisors (counting 78661490) is 1, the average is 0.0625.

Base conversion 78661490

Base System Value
2 Binary 100101100000100011101110010
3 Ternary 12111000102021112
4 Quaternary 10230010131302
5 Quinary 130114131430
6 Senary 11445553322
8 Octal 454043562
10 Decimal 78661490
12 Duodecimal 22415842
16 Hexadecimal 4b04772
20 Vigesimal 14bcdea
36 Base36 1atzle

Cryptographic Hash Functions

md5 7c359f6669bb0a4f4dc5b70159f910ff
sha1 d0d02f76f95ab978e4e71440daa1530d2c6bcdca
sha256 c553cfa9318bc0ba4c225f48492c933c41aabec986e17731ad95a9fc9828805f
sha512 2e8df3012a3fff273b4306bfef28d39a44883f34f7861de000669f542707ea4bc2d324a96012e5b9da24defc4fc5efcc94497607c24b5d37a2194c775ef21cfc
ripemd-160 9b9a40c519a153377e8306d5b8d7315f91f1ac19

78661490 as geometric shapes

Circle

Radius = n
Diameter 157322980
Circumference 494244718.20885
Area 1.9439012979469E+16

Sphere

Radius = n
Volume 2.0388023001259E+24
Surface area 7.7756051917877E+16
Circumference 494244718.20885

Square

Length = n
Perimeter 314645960
Area 6187630009020100
Diagonal 111244145.99448

Cube

Length = n
Surface area 37125780054120600
Volume 4.8672819607823E+23
Space diagonal 136245697.27907

Equilateral Triangle

Length = n
Perimeter 235984470
Area 2.6793223885152E+15
Altitude 68122848.639536

Triangular Pyramid

Length = n
Surface area 2.6793223885152E+15
Volume 5.7361468006936E+22
Height 37081381.998159