78421917 (number)

78421917 is an odd 8-digits composite number following 78421916 and preceding 78421918. In scientific notation, it is written as 7.8421917 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 44612400 positive integers (up to 78421917) that are relatively prime to 78421917.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8421917 × 10^7
Engineering notation 7.8421917 × 10^6

Prime Factorization of 78421917

Prime Factorization 3 × 7 × 227 × 16451

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78421917
Product of the distinct prime numbers

The prime factorization of 78421917 is 3 × 7 × 227 × 16451. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 27, 84, 457, 932, 1199, 3228, 39831, 51329, 677945, 177049, 306636, 482742, 85364800, 24829745, 908607148, 763393530, 7805367135, 2391293912

Basic calculations (n = 78421917)

Multiplication

n×y
n×2 156843834
n×3 235265751
n×4 313687668
n×5 392109585

Division

n÷y
n÷2 39210958.5
n÷3 26140639
n÷3 19605479.25
n÷5 15684383.4

Exponentiation

ny
n2 6149997065954889
n3 4.8229455945656E+23
n4 3.7822463911254E+31
n5 2.9661101255838E+39

Nth Root

y√n
2√n 8855.6149984064
3√n 428.03487101972
4√n 94.104277258828
5√n 37.921673165071

Divisors of 78421917

1, 3, 7, 21, 227, 681, 1589, 4767, 16451, 49353, 115157, 345471, 3734377, 11203131, 26140639, 78421917

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 -78421916
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 78421917 can be divided by 16 positive divisors. The sum of these divisors (counting 78421917) is 1, the average is 0.0625.

Base conversion 78421917

Base System Value
2 Binary 100101011001001111110011101
3 Ternary 12110120020122110
4 Quaternary 10223021332131
5 Quinary 130034000132
6 Senary 11440504233
8 Octal 453117635
10 Decimal 78421917
12 Duodecimal 2231b079
16 Hexadecimal 4ac9f9d
20 Vigesimal 14a2efh
36 Base36 1aouql

Cryptographic Hash Functions

md5 cf937af02afbbb3ae1786ca0e086e5ca
sha1 2ee8729fd3561ce085a04611f596e266f5dfa1a0
sha256 b11c3243f2bfcf6092f13d068f29c566990c31e7bde488dd8c021f432f252482
sha512 822f0ddb737dfcd7cd4d388a5c96221e51ef08399995c401f598d4ed141192ee7965f6c8296fa23314e3ad9de03aa914a8527da75a5f6c6de7421c98b84d2767
ripemd-160 636e48ed338015fdf888e0c31007386a5823fdf7

78421917 as geometric shapes

Circle

Radius = n
Diameter 156843834
Circumference 492739436.65526
Area 1.9320785602003E+16

Sphere

Radius = n
Volume 2.0202307264734E+24
Surface area 7.7283142408011E+16
Circumference 492739436.65526

Square

Length = n
Perimeter 313687668
Area 6149997065954889
Diagonal 110905338.6087

Cube

Length = n
Surface area 36899982395729334
Volume 4.8229455945656E+23
Space diagonal 135830744.67095

Equilateral Triangle

Length = n
Perimeter 235265751
Area 2.6630268461583E+15
Altitude 67915372.335475

Triangular Pyramid

Length = n
Surface area 2.6630268461583E+15
Volume 5.6838958920185E+22
Height 36968446.202899