78486988 (number)

78486988 is an even 8-digits composite number following 78486987 and preceding 78486989. In scientific notation, it is written as 7.8486988 × 10^7. The sum of its digits is 58. It has a total of 4 prime factors and 12 positive divisors. There are 39213072 positive integers (up to 78486988) that are relatively prime to 78486988.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred eighty-six thousand nine hundred eighty-eight

Notation

Scientific notation 7.8486988 × 10^7
Engineering notation 7.8486988 × 10^6

Prime Factorization of 78486988

Prime Factorization 2 × 2 × 1423 × 13789

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 39243494
Product of the distinct prime numbers

The prime factorization of 78486988 is 2 × 2 × 1423 × 13789. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 3, 87, 201, 76, 3620, 4360, 8537, 22684, 329610, 918296, 70578, 282491, 50668477, 66146243, 407264429, 236082439, 6480540819, 7388603687

Basic calculations (n = 78486988)

Multiplication

n×y
n×2 156973976
n×3 235460964
n×4 313947952
n×5 392434940

Division

n÷y
n÷2 39243494
n÷3 26162329.333333
n÷3 19621747
n÷5 15697397.6

Exponentiation

ny
n2 6160207285312144
n3 4.8349611527981E+23
n4 3.7948153798013E+31
n5 2.9784362917668E+39

Nth Root

y√n
2√n 8859.2882332612
3√n 428.15322635573
4√n 94.123792068006
5√n 37.927964219139

Divisors of 78486988

1, 2, 4, 1423, 2846, 5692, 13789, 27578, 55156, 19621747, 39243494, 78486988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78486987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78486988 can be divided by 12 positive divisors. The sum of these divisors (counting 78486988) is 1, the average is 0.083333333333333.

Base conversion 78486988

Base System Value
2 Binary 100101011011001110111001100
3 Ternary 12110200112220111
4 Quaternary 10223121313030
5 Quinary 130043040423
6 Senary 11442125404
8 Octal 453316714
10 Decimal 78486988
12 Duodecimal 22350864
16 Hexadecimal 4ad9dcc
20 Vigesimal 14aah98
36 Base36 1aq8y4

Cryptographic Hash Functions

md5 fc4b6c1a92e643493c02a685a4161689
sha1 0cd4f0f59ded4d6c8f2fca633b6005ab661010f4
sha256 565d0552eafa7001bc918969aa5bd5f36a047567d88237a1e7de920ef9404dc5
sha512 0e8a65d9fe56f9a5003bb0be4d73946c40e738377ea890d8361894a40bc61fd32a40f780117dfad8b4720e91a78c0cfbb724a1b7ec779e9e05edc6f0e9565434
ripemd-160 ce582a60894b1ed390937f6127ee9ef424306a2e

78486988 as geometric shapes

Circle

Radius = n
Diameter 156973976
Circumference 493148289.80638
Area 1.9352861952127E+16

Sphere

Radius = n
Volume 2.0252637917363E+24
Surface area 7.7411447808508E+16
Circumference 493148289.80638

Square

Length = n
Perimeter 313947952
Area 6160207285312144
Diagonal 110997362.89941

Cube

Length = n
Surface area 36961243711872864
Volume 4.8349611527981E+23
Space diagonal 135943450.94905

Equilateral Triangle

Length = n
Perimeter 235460964
Area 2.6674480008291E+15
Altitude 67971725.474524

Triangular Pyramid

Length = n
Surface area 2.6674480008291E+15
Volume 5.6980563631951E+22
Height 36999120.966471