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

66997581 (number)

66997581 is an odd 8-digits composite number following 66997580 and preceding 66997582. In scientific notation, it is written as 6.6997581 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 37656000 positive integers (up to 66997581) that are relatively prime to 66997581.

Interesting facts

66997581 has 8 divisors, whose sum is 71339928
The reverse of 66997581 is 18579966
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6

Name

Name	sixty-six million nine hundred ninety-seven thousand five hundred eighty-one

Notation

Scientific notation	6.6997581 × 10^7
Engineering notation	6.6997581 × 10^6

Prime Factorization of 66997581

Prime Factorization 21 × 61 × 52301

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	66997581	Product of the distinct prime numbers

The prime factorization of 66997581 is 21 × 61 × 52301. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 1, 74, 32, 896, 309, 4898, 1128, 51369, 69255, 871709, 172270, 9027692, 1061506, 90235525, 25554001, 858119387, 332108575, 9099366035, 2418503477

Basic calculations (n = 66997581)

Multiplication

n×y

n×2	133995162
n×3	200992743
n×4	267990324
n×5	334987905

Division

n÷y

n÷2	33498790.5
n÷3	22332527
n÷3	16749395.25
n÷5	13399516.2

Exponentiation

n^y

n²	4488675859851561
n³	3.0073042450315E+23
n⁴	2.0148210974814E+31
n⁵	1.3498813967902E+39

Nth Root

^y√n

²√n	8185.2050065957
³√n	406.14992198332
⁴√n	90.472122814687
⁵√n	36.746148389747

Divisors of 66997581

1, 21, 61, 1281, 52301, 1098321, 3190361, 66997581

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	-66997580	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 66997581 can be divided by 8 positive divisors. The sum of these divisors (counting 66997581) is 1, the average is 0.125.

Base conversion 66997581

Base	System	Value
2	Binary	11111111100100110101001101
3	Ternary	11200001211101220
4	Quaternary	3333210311031
5	Quinary	114122410311
6	Senary	10351553553
8	Octal	377446515
10	Decimal	66997581
12	Duodecimal	1a52b8b9
16	Hexadecimal	3fe4d4d
20	Vigesimal	10iedj1
36	Base36	13vznx

Cryptographic Hash Functions

md5	5c6f88397ea704ce386d0983b7131375
sha1	ae5dbcc38c571a73e7644d0d6ff5ead11dd0fe07
sha256	9491390c6b727bed337b8cf4111fdfce98f511ac176b588e65b63008d4ac601f
sha512	5183ee38df7af1cfe78b7f405f76032ede81329f7882dd37ecac5b6c22e548e2722bda80bc31d264fcad6d432843ac303a60762f72aca0d271d72076c09b766a
ripemd-160	548ff5bfdb1a5dc5527ecd061f7d070b96cc3543

66997581 as geometric shapes

Circle

Radius = n

Diameter	133995162
Circumference	420958216.55577
Area	1.4101591105656E+16

Sphere

Radius = n

Volume	1.25969665644E+24
Surface area	5.6406364422622E+16
Circumference	420958216.55577

Square

Length = n

Perimeter	267990324
Area	4488675859851561
Diagonal	94748887.69639

Cube

Length = n

Surface area	26932055159109366
Volume	3.0073042450315E+23
Space diagonal	116043214.27621

Equilateral Triangle

Length = n

Perimeter	200992743
Area	1.9436536619927E+15
Altitude	58021607.138106

Triangular Pyramid

Length = n

Surface area	1.9436536619927E+15
Volume	3.5441420412548E+22
Height	31582962.565463