68721618 (number)

68721618 is an even 8-digits composite number following 68721617 and preceding 68721619. In scientific notation, it is written as 6.8721618 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 19634664 positive integers (up to 68721618) that are relatively prime to 68721618.

Interesting facts

Basic properties

Name

Name sixty-eight million seven hundred twenty-one thousand six hundred eighteen

Notation

Scientific notation 6.8721618 × 10^7
Engineering notation 6.8721618 × 10^6

Prime Factorization of 68721618

Prime Factorization 2 × 3 × 7 × 7 × 233747

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9817374
Product of the distinct prime numbers

The prime factorization of 68721618 is 2 × 3 × 7 × 7 × 233747. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 10, 14, 46, 203, 22, 1764, 6223, 43789, 47426, 434588, 714926, 3610493, 4459977, 59142721, 36738382, 538315721, 185905613, 7326855272, 193431416

Basic calculations (n = 68721618)

Multiplication

n×y
n×2 137443236
n×3 206164854
n×4 274886472
n×5 343608090

Division

n÷y
n÷2 34360809
n÷3 22907206
n÷3 17180404.5
n÷5 13744323.6

Exponentiation

ny
n2 4722660780537924
n3 3.2454889010371E+23
n4 2.2303524848031E+31
n5 1.5327343146599E+39

Nth Root

y√n
2√n 8289.8503002165
3√n 409.60425426515
4√n 91.048615037333
5√n 36.933347751794

Divisors of 68721618

1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 233747, 467494, 701241, 1402482, 1636229, 3272458, 4908687, 9817374, 11453603, 22907206, 34360809, 68721618

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68721617
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68721618 can be divided by 24 positive divisors. The sum of these divisors (counting 68721618) is 1, the average is 0.041666666666667.

Base conversion 68721618

Base System Value
2 Binary 100000110001001101111010010
3 Ternary 11210022102100010
4 Quaternary 10012021233102
5 Quinary 120043042433
6 Senary 10452535350
8 Octal 406115722
10 Decimal 68721618
12 Duodecimal 1b021556
16 Hexadecimal 4189bd2
20 Vigesimal 119a40i
36 Base36 14wxxu

Cryptographic Hash Functions

md5 fae64c373cc111ed413a67a9512f4ece
sha1 bf1f1b8100f597a4e9aaadafd1eee30d03c55c58
sha256 e170af1a7fcd0b94aa125035a30e46f4f8b8a495ce62fcb9ba1c4e647c779845
sha512 0a94eeb3f3228c1aee64310139a4cd1997c13cfbf04519f2ff919cbabcc43facadde119d935582417128167e3e691f19d5d2006270258b29e19ba4c6a8d7cba0
ripemd-160 6b631d798ccf034c4484409b1580717a99879e9c

68721618 as geometric shapes

Circle

Radius = n
Diameter 137443236
Circumference 431790660.50321
Area 1.4836676413535E+16

Sphere

Radius = n
Volume 1.3594672118407E+24
Surface area 5.9346705654138E+16
Circumference 431790660.50321

Square

Length = n
Perimeter 274886472
Area 4722660780537924
Diagonal 97187044.203823

Cube

Length = n
Surface area 28335964683227544
Volume 3.2454889010371E+23
Space diagonal 119029333.95434

Equilateral Triangle

Length = n
Perimeter 206164854
Area 2.0449721047011E+15
Altitude 59514666.97717

Triangular Pyramid

Length = n
Surface area 2.0449721047011E+15
Volume 3.824845350315E+22
Height 32395681.401274