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

66721885 (number)

66721885 is an odd 8-digits composite number following 66721884 and preceding 66721886. In scientific notation, it is written as 6.6721885 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 53377504 positive integers (up to 66721885) that are relatively prime to 66721885.

Interesting facts

66721885 has 4 divisors, whose sum is 80066268
The reverse of 66721885 is 58812766
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	sixty-six million seven hundred twenty-one thousand eight hundred eighty-five

Notation

Scientific notation	6.6721885 × 10^7
Engineering notation	6.6721885 × 10^6

Prime Factorization of 66721885

Prime Factorization 5 × 13344377

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	66721885	Product of the distinct prime numbers

The prime factorization of 66721885 is 5 × 13344377. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 9, 39, 25, 506, 563, 9622, 6613, 40720, 9285, 998090, 420122, 5979466, 6900852, 66954253, 12988597, 436165648, 825880414, 4505703019, 6060783131

Basic calculations (n = 66721885)

Multiplication

n×y

n×2	133443770
n×3	200165655
n×4	266887540
n×5	333609425

Division

n÷y

n÷2	33360942.5
n÷3	22240628.333333
n÷3	16680471.25
n÷5	13344377

Exponentiation

n^y

n²	4451809937953225
n³	2.9703315072197E+23
n⁴	1.9818611723659E+31
n⁵	1.3223351322856E+39

Nth Root

^y√n

²√n	8168.3465279088
³√n	405.5920518298
⁴√n	90.378905325905
⁵√n	36.715856302886

Divisors of 66721885

1, 5, 13344377, 66721885

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	-66721884	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 66721885 can be divided by 4 positive divisors. The sum of these divisors (counting 66721885) is 1, the average is 0.25.

Base conversion 66721885

Base	System	Value
2	Binary	11111110100001100001011101
3	Ternary	11122112211012221
4	Quaternary	3332201201131
5	Quinary	114040100020
6	Senary	10342025341
8	Octal	376414135
10	Decimal	66721885
12	Duodecimal	1a418251
16	Hexadecimal	3fa185d
20	Vigesimal	10h04e5
36	Base36	13q2xp

Cryptographic Hash Functions

md5	cdaf9158538cca6b55e80904b1bf247d
sha1	707dc688a153b900df0ebf9f43bf0adece92ecd0
sha256	f73a6438436da0cec98a5025e7b7e93677c5dac5c7dd872ceef42735d2245537
sha512	806419d7840328d61cda01e8f053d8c6a7891ad1d14c137bb52311b24213331d3a5b26594c34d1d4f2f5525d3f3e3267eac5d4c509eea6ff101753f6a073dcfc
ripemd-160	800bedb2468e361f4f1eb4e09e5ceaa8da1cc194

66721885 as geometric shapes

Circle

Radius = n

Diameter	133443770
Circumference	419225967.49933
Area	1.3985773396252E+16

Sphere

Radius = n

Volume	1.244209552241E+24
Surface area	5.5943093585008E+16
Circumference	419225967.49933

Square

Length = n

Perimeter	266887540
Area	4451809937953225
Diagonal	94358994.674098

Cube

Length = n

Surface area	26710859627719350
Volume	2.9703315072197E+23
Space diagonal	115565694.79677

Equilateral Triangle

Length = n

Perimeter	200165655
Area	1.9276902495438E+15
Altitude	57782847.398384

Triangular Pyramid

Length = n

Surface area	1.9276902495438E+15
Volume	3.5005692518785E+22
Height	31452998.224699