78421749 (number)

78421749 is an odd 8-digits composite number following 78421748 and preceding 78421750. In scientific notation, it is written as 7.8421749 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 44723952 positive integers (up to 78421749) that are relatively prime to 78421749.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred twenty-one thousand seven hundred forty-nine

Notation

Scientific notation 7.8421749 × 10^7
Engineering notation 7.8421749 × 10^6

Prime Factorization of 78421749

Prime Factorization 3 × 7 × 6827 × 547

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78421749
Product of the distinct prime numbers

The prime factorization of 78421749 is 3 × 7 × 6827 × 547. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 72, 25, 886, 397, 7538, 1425, 97284, 9119, 969801, 557464, 5412717, 6019228, 50110417, 51314400, 761549846, 939613262, 2623955074, 1879318991

Basic calculations (n = 78421749)

Multiplication

n×y
n×2 156843498
n×3 235265247
n×4 313686996
n×5 392108745

Division

n÷y
n÷2 39210874.5
n÷3 26140583
n÷3 19605437.25
n÷5 15684349.8

Exponentiation

ny
n2 6149970716219001
n3 4.8229145986468E+23
n4 3.7822139810351E+31
n5 2.9660783548503E+39

Nth Root

y√n
2√n 8855.6055128941
3√n 428.03456536575
4√n 94.104226859871
5√n 37.921656917453

Divisors of 78421749

1, 3, 7, 21, 547, 1641, 3829, 6827, 11487, 20481, 47789, 143367, 3734369, 11203107, 26140583, 78421749

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 -78421748
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 78421749 can be divided by 16 positive divisors. The sum of these divisors (counting 78421749) is 1, the average is 0.0625.

Base conversion 78421749

Base System Value
2 Binary 100101011001001111011110101
3 Ternary 12110120020102020
4 Quaternary 10223021323311
5 Quinary 130033443444
6 Senary 11440503353
8 Octal 453117365
10 Decimal 78421749
12 Duodecimal 2231ab59
16 Hexadecimal 4ac9ef5
20 Vigesimal 14a2e79
36 Base36 1aoulx

Cryptographic Hash Functions

md5 389f6e83cd67b677ae7e0cf9f2f919f6
sha1 9010fcfc40670b0f6db174393f918860b0a4e493
sha256 ae6bafedc6a2f46eec8d231009a2103524c010c6cd74bc6bd417c06dd5d4ca19
sha512 ad84ffbbc9b88910ad2d4d3f6f17d64660ccb58a3138ef97e9ebc9ec9a7398ebccb534d348b82949e615fdf37c442e7e4226c020adb587466c262173d296fac5
ripemd-160 9f2c557ff31ff791f8031be8ec0b8aa0c8f791cf

78421749 as geometric shapes

Circle

Radius = n
Diameter 156843498
Circumference 492738381.08013
Area 1.9320702821866E+16

Sphere

Radius = n
Volume 2.0202177429333E+24
Surface area 7.7282811287464E+16
Circumference 492738381.08013

Square

Length = n
Perimeter 313686996
Area 6149970716219001
Diagonal 110905101.02082

Cube

Length = n
Surface area 36899824297314006
Volume 4.8229145986468E+23
Space diagonal 135830453.68641

Equilateral Triangle

Length = n
Perimeter 235265247
Area 2.663015436388E+15
Altitude 67915226.843207

Triangular Pyramid

Length = n
Surface area 2.663015436388E+15
Volume 5.6838593629779E+22
Height 36968367.00694