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

68909890 (number)

68909890 is an even 8-digits composite number following 68909889 and preceding 68909891. In scientific notation, it is written as 6.8909890 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 23626224 positive integers (up to 68909890) that are relatively prime to 68909890.

Interesting facts

68909890 has 8 divisors, whose sum is 106318224
The reverse of 68909890 is 09890986
Previous prime number is 35

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4

Name

Name	sixty-eight million nine hundred nine thousand eight hundred ninety

Notation

Scientific notation	6.8909890 × 10^7
Engineering notation	6.8909890 × 10^6

Prime Factorization of 68909890

Prime Factorization 2 × 35 × 984427

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	68909890	Product of the distinct prime numbers

The prime factorization of 68909890 is 2 × 35 × 984427. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 85, 31, 307, 740, 2, 2885, 41553, 5754, 665221, 850863, 8231383, 6648613, 65617281, 96829638, 643777129, 965485665, 6343592373, 2443211443

Basic calculations (n = 68909890)

Multiplication

n×y

n×2	137819780
n×3	206729670
n×4	275639560
n×5	344549450

Division

n÷y

n÷2	34454945
n÷3	22969963.333333
n÷3	17227472.5
n÷5	13781978

Exponentiation

n^y

n²	4748572939812100
n³	3.2722363893943E+23
n⁴	2.2548944964716E+31
n⁵	1.5538453171346E+39

Nth Root

^y√n

²√n	8301.1981062977
³√n	409.97796827875
⁴√n	91.110911016725
⁵√n	36.953562373976

Divisors of 68909890

1, 2, 35, 70, 984427, 1968854, 34454945, 68909890

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	-68909889	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 68909890 can be divided by 8 positive divisors. The sum of these divisors (counting 68909890) is 1, the average is 0.125.

Base conversion 68909890

Base	System	Value
2	Binary	100000110110111101101000010
3	Ternary	11210122222121011
4	Quaternary	10012313231002
5	Quinary	120120104030
6	Senary	10500551134
8	Octal	406675502
10	Decimal	68909890
12	Duodecimal	1b0b24aa
16	Hexadecimal	41b7b42
20	Vigesimal	11adeea
36	Base36	150z7m

Cryptographic Hash Functions

md5	d79745008bce5983fd39b042332a21e6
sha1	c66dc9939d8f7ab5f6386a1b6d63578e53b8e683
sha256	c17266ed0d0edbad4ef28ca11c05ab31479d2727f7c155e1c618b868cec2ebef
sha512	28b0e9d91b3533e909bbec48710e3afaa333817e305ce72ad829b8339cd691570cdb61e196884f2a94b8273906caebf006a28bb20ff1cf573125cf9c2db72cba
ripemd-160	623cb7f221b90b2a49ce2d10c83d6e37c40fa9e9

68909890 as geometric shapes

Circle

Radius = n

Diameter	137819780
Circumference	432973608.36736
Area	1.4918081862749E+16

Sphere

Radius = n

Volume	1.370671173564E+24
Surface area	5.9672327450996E+16
Circumference	432973608.36736

Square

Length = n

Perimeter	275639560
Area	4748572939812100
Diagonal	97453301.019638

Cube

Length = n

Surface area	28491437638872600
Volume	3.2722363893943E+23
Space diagonal	119355430.62398

Equilateral Triangle

Length = n

Perimeter	206729670
Area	2.0561923988003E+15
Altitude	59677715.311991

Triangular Pyramid

Length = n

Surface area	2.0561923988003E+15
Volume	3.8563675676435E+22
Height	32484433.673213