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

75816981 (number)

75816981 is an odd 8-digits composite number following 75816980 and preceding 75816982. In scientific notation, it is written as 7.5816981 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 50544648 positive integers (up to 75816981) that are relatively prime to 75816981.

Interesting facts

75816981 has 4 divisors, whose sum is 84241100
The reverse of 75816981 is 18961857
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	seventy-five million eight hundred sixteen thousand nine hundred eighty-one

Notation

Scientific notation	7.5816981 × 10^7
Engineering notation	7.5816981 × 10^6

Prime Factorization of 75816981

Prime Factorization 9 × 8424109

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	75816981	Product of the distinct prime numbers

The prime factorization of 75816981 is 9 × 8424109. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 47, 37, 952, 204, 3879, 7584, 91906, 25686, 72623, 603066, 7317988, 5275958, 84885608, 16364562, 961589861, 933268661, 694274964, 9384650798

Basic calculations (n = 75816981)

Multiplication

n×y

n×2	151633962
n×3	227450943
n×4	303267924
n×5	379084905

Division

n÷y

n÷2	37908490.5
n÷3	25272327
n÷3	18954245.25
n÷5	15163396.2

Exponentiation

n^y

n²	5748214607954361
n³	4.358122777152E+23
n⁴	3.30419711791E+31
n⁵	2.5051425010884E+39

Nth Root

^y√n

²√n	8707.2947004222
³√n	423.24206924825
⁴√n	93.312886036293
⁵√n	37.666329167678

Divisors of 75816981

1, 9, 8424109, 75816981

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-75816980	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 75816981 can be divided by 4 positive divisors. The sum of these divisors (counting 75816981) is 1, the average is 0.25.

Base conversion 75816981

Base	System	Value
2	Binary	100100001001110000000010101
3	Ternary	12021122220100100
4	Quaternary	10201032000111
5	Quinary	123402120411
6	Senary	11305004313
8	Octal	441160025
10	Decimal	75816981
12	Duodecimal	21483699
16	Hexadecimal	484e015
20	Vigesimal	13dh291
36	Base36	1950r9

Cryptographic Hash Functions

md5	41ee135ab24ac3945ab547b5c39a67b0
sha1	c86c963dede0cbe68a24a69b4f409e1f4105f005
sha256	3d6a5919c200cc7bba760bfeb094d255edece46a61f7cd7f98b4a63f94e5b923
sha512	5b17d097fcd9d99d0b2adf85cf116fd47efc9d07b6d2350eb44a72f1f9c22b9e30f6a71f0c641e75283da051c3a1c1481dc4d5f9abd0ee8ce8fc87ccd0407284
ripemd-160	0dd4c1ff732205fbdf601239c7d3fcdcf600b7ec

75816981 as geometric shapes

Circle

Radius = n

Diameter	151633962
Circumference	476372141.05391
Area	1.8058548783607E+16

Sphere

Radius = n

Volume	1.8255262000191E+24
Surface area	7.2234195134428E+16
Circumference	476372141.05391

Square

Length = n

Perimeter	303267924
Area	5748214607954361
Diagonal	107221402.78838

Cube

Length = n

Surface area	34489287647726166
Volume	4.358122777152E+23
Space diagonal	131318863.16848

Equilateral Triangle

Length = n

Perimeter	227450943
Area	2.4890499384466E+15
Altitude	65659431.584242

Triangular Pyramid

Length = n

Surface area	2.4890499384466E+15
Volume	5.1360969482795E+22
Height	35740467.596128