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

68909721 (number)

68909721 is an odd 8-digits composite number following 68909720 and preceding 68909722. In scientific notation, it is written as 6.8909721 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 43237440 positive integers (up to 68909721) that are relatively prime to 68909721.

Interesting facts

68909721 has 8 divisors, whose sum is 97284384
The reverse of 68909721 is 12790986
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	sixty-eight million nine hundred nine thousand seven hundred twenty-one

Notation

Scientific notation	6.8909721 × 10^7
Engineering notation	6.8909721 × 10^6

Prime Factorization of 68909721

Prime Factorization 3 × 17 × 1351171

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	68909721	Product of the distinct prime numbers

The prime factorization of 68909721 is 3 × 17 × 1351171. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 1, 72, 87, 790, 84, 1480, 8079, 24119, 94657, 304333, 726351, 9084534, 1248817, 96487097, 61750847, 697740222, 588788775, 8849917102, 640655371

Basic calculations (n = 68909721)

Multiplication

n×y

n×2	137819442
n×3	206729163
n×4	275638884
n×5	344548605

Division

n÷y

n÷2	34454860.5
n÷3	22969907
n÷3	17227430.25
n÷5	13781944.2

Exponentiation

n^y

n²	4748549648297841
n³	3.2722123141885E+23
n⁴	2.254872376235E+31
n⁵	1.5538262633696E+39

Nth Root

^y√n

²√n	8301.1879270379
³√n	409.97763312447
⁴√n	91.110855154794
⁵√n	36.953544248398

Divisors of 68909721

1, 3, 17, 51, 1351171, 4053513, 22969907, 68909721

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	-68909720	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 68909721 can be divided by 8 positive divisors. The sum of these divisors (counting 68909721) is 1, the average is 0.125.

Base conversion 68909721

Base	System	Value
2	Binary	100000110110111101010011001
3	Ternary	11210122222100220
4	Quaternary	10012313222121
5	Quinary	120120102341
6	Senary	10500550253
8	Octal	406675231
10	Decimal	68909721
12	Duodecimal	1b0b2389
16	Hexadecimal	41b7a99
20	Vigesimal	11ade61
36	Base36	150z2x

Cryptographic Hash Functions

md5	175462f2d5e78e20bc217d17f3b290a2
sha1	609939a961c93f1c669a7ef369bece8557d57526
sha256	8e6a2ae775823c94ee67584dbc659941b718e5341d8aa80326d6b6ee6ecbbd09
sha512	f8f662f6746c1153754f184f695015897b9398c6913c12929a672d8a0633e46dfd2da04b3368ace59ab722aeccd192d16584b482814f2bd6a193a4afa4e5b9c8
ripemd-160	97be6d12eb26c308cb2d77d2852a3304fab1fad3

68909721 as geometric shapes

Circle

Radius = n

Diameter	137819442
Circumference	432972546.50904
Area	1.4918008690299E+16

Sphere

Radius = n

Volume	1.3706610889654E+24
Surface area	5.9672034761196E+16
Circumference	432972546.50904

Square

Length = n

Perimeter	275638884
Area	4748549648297841
Diagonal	97453062.017546

Cube

Length = n

Surface area	28491297889787046
Volume	3.2722123141885E+23
Space diagonal	119355137.9074

Equilateral Triangle

Length = n

Perimeter	206729163
Area	2.0561823132788E+15
Altitude	59677568.953698

Triangular Pyramid

Length = n

Surface area	2.0561823132788E+15
Volume	3.8563391947414E+22
Height	32484354.005849