78702990 (number)

78702990 is an even 8-digits composite number following 78702989 and preceding 78702991. In scientific notation, it is written as 7.8702990 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 20924544 positive integers (up to 78702990) that are relatively prime to 78702990.

Interesting facts

Basic properties

Name

Name seventy-eight million seven hundred two thousand nine hundred ninety

Notation

Scientific notation 7.8702990 × 10^7
Engineering notation 7.8702990 × 10^6

Prime Factorization of 78702990

Prime Factorization 2 × 15 × 349 × 7517

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78702990
Product of the distinct prime numbers

The prime factorization of 78702990 is 2 × 15 × 349 × 7517. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 12, 14, 973, 798, 1214, 4615, 74161, 93205, 680640, 80693, 1134396, 538905, 53158383, 32866828, 503090225, 799276021, 4594355761, 6676069531

Basic calculations (n = 78702990)

Multiplication

n×y
n×2 157405980
n×3 236108970
n×4 314811960
n×5 393514950

Division

n÷y
n÷2 39351495
n÷3 26234330
n÷3 19675747.5
n÷5 15740598

Exponentiation

ny
n2 6194160634940100
n3 4.8749896251008E+23
n4 3.8367625971442E+31
n5 3.0196468831541E+39

Nth Root

y√n
2√n 8871.4705658081
3√n 428.54563638432
4√n 94.188484252631
5√n 37.948817388906

Divisors of 78702990

1, 2, 15, 30, 349, 698, 5235, 7517, 10470, 15034, 112755, 225510, 2623433, 5246866, 39351495, 78702990

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 -78702989
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 78702990 can be divided by 16 positive divisors. The sum of these divisors (counting 78702990) is 1, the average is 0.0625.

Base conversion 78702990

Base System Value
2 Binary 100101100001110100110001110
3 Ternary 12111002112012120
4 Quaternary 10230032212032
5 Quinary 130121443430
6 Senary 11450513410
8 Octal 454164616
10 Decimal 78702990
12 Duodecimal 22435866
16 Hexadecimal 4b0e98e
20 Vigesimal 14bhh9a
36 Base36 1auvm6

Cryptographic Hash Functions

md5 c40034a1ee8d332b5c568345a500edfd
sha1 3d2f712bca52b44fda76b8a8642e16178fccdb43
sha256 0307f217ee8507fb47c7aa88c5165765e782721f136c7bb9f981f864dcca9b19
sha512 490879e8ad85e9f9e370f6dd51937c46dac8fe52d7a7605a1a84b483d6c000287de374c12ff0a1d249cd5dbd6314668be92edb1e78a420f13b433eb1ebd775ad
ripemd-160 05d81a0bf639e81e73b8ead9eb7978bae9c18a56

78702990 as geometric shapes

Circle

Radius = n
Diameter 157405980
Circumference 494505470.3991
Area 1.9459529545883E+16

Sphere

Radius = n
Volume 2.0420308790058E+24
Surface area 7.7838118183532E+16
Circumference 494505470.3991

Square

Length = n
Perimeter 314811960
Area 6194160634940100
Diagonal 111302835.85731

Cube

Length = n
Surface area 37164963809640600
Volume 4.8749896251008E+23
Space diagonal 136317577.38759

Equilateral Triangle

Length = n
Perimeter 236108970
Area 2.6821502324898E+15
Altitude 68158788.693793

Triangular Pyramid

Length = n
Surface area 2.6821502324898E+15
Volume 5.7452303702048E+22
Height 37100945.285771