78931490 (number)

78931490 is an even 8-digits composite number following 78931489 and preceding 78931491. In scientific notation, it is written as 7.8931490 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 28702320 positive integers (up to 78931490) that are relatively prime to 78931490.

Interesting facts

Basic properties

Name

Name seventy-eight million nine hundred thirty-one thousand four hundred ninety

Notation

Scientific notation 7.8931490 × 10^7
Engineering notation 7.8931490 × 10^6

Prime Factorization of 78931490

Prime Factorization 2 × 55 × 717559

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78931490
Product of the distinct prime numbers

The prime factorization of 78931490 is 2 × 55 × 717559. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78931490)

Multiplication

n×y
n×2 157862980
n×3 236794470
n×4 315725960
n×5 394657450

Division

n÷y
n÷2 39465745
n÷3 26310496.666667
n÷3 19732872.5
n÷5 15786298

Exponentiation

ny
n2 6230180113620100
n3 4.917573993364E+23
n4 3.8815144248147E+31
n5 3.0637371700712E+39

Nth Root

y√n
2√n 8884.3395927891
3√n 428.95997076349
4√n 94.25677478457
5√n 37.970827358411

Divisors of 78931490

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 -78931489
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 78931490 can be divided by 8 positive divisors. The sum of these divisors (counting 78931490) is 1, the average is 0.125.

Base conversion 78931490

Base System Value
2 Binary 100101101000110011000100010
3 Ternary 12111112010122112
4 Quaternary 10231012120202
5 Quinary 130201301430
6 Senary 11455435322
8 Octal 455063042
10 Decimal 78931490
12 Duodecimal 22525b42
16 Hexadecimal 4b46622
20 Vigesimal 14d68ea
36 Base36 1azrxe

Cryptographic Hash Functions

md5 ddab5128d677063dd014656cfe67d14d
sha1 748b945707ac90d6524d4a9d48117ab9a82f598d
sha256 a487d5ad72c0f8d4ce8c054ea8f4e99e304187c6c2d5229ae8215649b1cda243
sha512 72157313a624414582510c026be486f5f602ef27e6cb3a0f18d8a6d91092d87e4858f2a26a941d1270e505935dca6c9a7c0f9431133aaf41df51cf3834546b5e
ripemd-160 b4b9dbab146c04555b587bb07c863e5c09fb9f0e

78931490 as geometric shapes

Circle

Radius = n
Diameter 157862980
Circumference 495941178.24179
Area 1.957268807549E+16

Sphere

Radius = n
Volume 2.0598685774716E+24
Surface area 7.8290752301961E+16
Circumference 495941178.24179

Square

Length = n
Perimeter 315725960
Area 6230180113620100
Diagonal 111625983.65632

Cube

Length = n
Surface area 37381080681720600
Volume 4.917573993364E+23
Space diagonal 136713350.99711

Equilateral Triangle

Length = n
Perimeter 236794470
Area 2.6977471242738E+15
Altitude 68356675.498557

Triangular Pyramid

Length = n
Surface area 2.6977471242738E+15
Volume 5.7954165294905E+22
Height 37208661.218772