Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

78490987 (number)

78490987 is an odd 8-digits composite number following 78490986 and preceding 78490988. In scientific notation, it is written as 7.8490987 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 75765312 positive integers (up to 78490987) that are relatively prime to 78490987.

Interesting facts

78490987 has 8 divisors, whose sum is 81262656
The reverse of 78490987 is 78909487
Previous prime number is 73

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7

Name

Name	seventy-eight million four hundred ninety thousand nine hundred eighty-seven

Notation

Scientific notation	7.8490987 × 10^7
Engineering notation	7.8490987 × 10^6

Prime Factorization of 78490987

Prime Factorization 47 × 73 × 22877

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	78490987	Product of the distinct prime numbers

The prime factorization of 78490987 is 47 × 73 × 22877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 80, 94, 139, 67, 2229, 8445, 90854, 69741, 477690, 397119, 5616368, 6771163, 35507195, 13708292, 679469549, 759209994, 8089727260, 916840003

Basic calculations (n = 78490987)

Multiplication

n×y

n×2	156981974
n×3	235472961
n×4	313963948
n×5	392454935

Division

n÷y

n÷2	39245493.5
n÷3	26163662.333333
n÷3	19622746.75
n÷5	15698197.4

Exponentiation

n^y

n²	6160835040234169
n³	4.8357002305216E+23
n⁴	3.7955888392977E+31
n⁵	2.9791951424266E+39

Nth Root

^y√n

²√n	8859.5139257185
³√n	428.16049786114
⁴√n	94.124990973272
⁵√n	37.928350705719

Divisors of 78490987

1, 47, 73, 3431, 22877, 1075219, 1670021, 78490987

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	-78490986	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 78490987 can be divided by 8 positive divisors. The sum of these divisors (counting 78490987) is 1, the average is 0.125.

Base conversion 78490987

Base	System	Value
2	Binary	100101011011010110101101011
3	Ternary	12110200202101121
4	Quaternary	10223122311223
5	Quinary	130043202422
6	Senary	11442200111
8	Octal	453326553
10	Decimal	78490987
12	Duodecimal	22353037
16	Hexadecimal	4adad6b
20	Vigesimal	14ab797
36	Base36	1aqc17

Cryptographic Hash Functions

md5	298b5b65341504e9a63bc966f15b48c5
sha1	92791dec23542bdad646b1698d533af0caeae7e5
sha256	7cc1857effcac39d7382c1d65049b8161e644a05e5d3098aaa4ac8850a3405d1
sha512	0299024c9358ba0030b26719f61a8514421e5aed49c9cd868743d9b8c3d6ad225001b4a1a5ed643ba5bbb331af748e081a3151657615ec605c0300c7d830457f
ripemd-160	76588f08e7a066688a2077ccc4e506e8943879fe

78490987 as geometric shapes

Circle

Radius = n

Diameter	156981974
Circumference	493173416.26442
Area	1.9354834102378E+16

Sphere

Radius = n

Volume	2.0255733758892E+24
Surface area	7.7419336409513E+16
Circumference	493173416.26442

Square

Length = n

Perimeter	313963948
Area	6160835040234169
Diagonal	111003018.33945

Cube

Length = n

Surface area	36965010241405014
Volume	4.8357002305216E+23
Space diagonal	135950377.42023

Equilateral Triangle

Length = n

Perimeter	235472961
Area	2.6677198266841E+15
Altitude	67975188.710114

Triangular Pyramid

Length = n

Surface area	2.6677198266841E+15
Volume	5.6989273746453E+22
Height	37001006.11315