78488921 (number)

78488921 is an odd 8-digits composite number following 78488920 and preceding 78488922. In scientific notation, it is written as 7.8488921 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 66745728 positive integers (up to 78488921) that are relatively prime to 78488921.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred eighty-eight thousand nine hundred twenty-one

Notation

Scientific notation 7.8488921 × 10^7
Engineering notation 7.8488921 × 10^6

Prime Factorization of 78488921

Prime Factorization 7 × 127 × 88289

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78488921
Product of the distinct prime numbers

The prime factorization of 78488921 is 7 × 127 × 88289. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 22, 60, 682, 555, 1662, 259, 90872, 48651, 882761, 23468, 5975450, 7394900, 66912562, 83144352, 285942053, 811256901, 7137119876, 4425775115

Basic calculations (n = 78488921)

Multiplication

n×y
n×2 156977842
n×3 235466763
n×4 313955684
n×5 392444605

Division

n÷y
n÷2 39244460.5
n÷3 26162973.666667
n÷3 19622230.25
n÷5 15697784.2

Exponentiation

ny
n2 6160510719744241
n3 4.8353183920166E+23
n4 3.7951892328084E+31
n5 2.9788030787395E+39

Nth Root

y√n
2√n 8859.3973271324
3√n 428.15674122027
4√n 94.124371589575
5√n 37.92815103745

Divisors of 78488921

1, 7, 127, 889, 88289, 618023, 11212703, 78488921

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 -78488920
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 78488921 can be divided by 8 positive divisors. The sum of these divisors (counting 78488921) is 1, the average is 0.125.

Base conversion 78488921

Base System Value
2 Binary 100101011011010010101011001
3 Ternary 12110200122120002
4 Quaternary 10223122111121
5 Quinary 130043121141
6 Senary 11442142345
8 Octal 453322531
10 Decimal 78488921
12 Duodecimal 223519b5
16 Hexadecimal 4ada559
20 Vigesimal 14ab261
36 Base36 1aqaft

Cryptographic Hash Functions

md5 a3acaa9c3e9c249889172d07a12e7806
sha1 2dbdd464cbf4c6a86d8918bd98fc2b4f7bc8d2ef
sha256 511ff828c89bdca74a191d12cd8623ebfaa617df75e96c0a745f68931e1f7548
sha512 76e934671b4df659d942f99e5f55620d74b3368f8529e6813c49e6971f1e0de05478b0a22cbbac84e935492e25442cc2525ebd930f1c47046696a6e03c09fe83
ripemd-160 c901c2f7e844e5406b0ae18b4f1f696f10941678

78488921 as geometric shapes

Circle

Radius = n
Diameter 156977842
Circumference 493160435.20358
Area 1.935381521951E+16

Sphere

Radius = n
Volume 2.0254134317503E+24
Surface area 7.7415260878039E+16
Circumference 493160435.20358

Square

Length = n
Perimeter 313955684
Area 6160510719744241
Diagonal 111000096.57423

Cube

Length = n
Surface area 36963064318465446
Volume 4.8353183920166E+23
Space diagonal 135946799.00326

Equilateral Triangle

Length = n
Perimeter 235466763
Area 2.6675793917924E+15
Altitude 67973399.50163

Triangular Pyramid

Length = n
Surface area 2.6675793917924E+15
Volume 5.6984773736516E+22
Height 37000032.19141