221796781 (number)

221796781 is an odd 9-digits composite number following 221796780 and preceding 221796782. In scientific notation, it is written as 2.21796781 × 10^8. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 219762240 positive integers (up to 221796781) that are relatively prime to 221796781.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million seven hundred ninety-six thousand seven hundred eighty-one

Notation

Scientific notation 2.21796781 × 10^8
Engineering notation 2.21796781 × 10^6

Prime Factorization of 221796781

Prime Factorization 149 × 461 × 3229

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221796781
Product of the distinct prime numbers

The prime factorization of 221796781 is 149 × 461 × 3229. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 7, 72, 995, 263, 3274, 3497, 53638, 31703, 953533, 390297, 8336381, 7545156, 80776664, 70932993, 378145548, 768241726, 2928369864, 2375246116

Basic calculations (n = 221796781)

Multiplication

n×y
n×2 443593562
n×3 665390343
n×4 887187124
n×5 1108983905

Division

n÷y
n÷2 110898390.5
n÷3 73932260.333333
n÷3 55449195.25
n÷5 44359356.2

Exponentiation

ny
n2 49193812061961961
n3 1.0911029160462E+25
n4 2.4200311451876E+33
n5 5.3675511792236E+41

Nth Root

y√n
2√n 14892.843281254
3√n 605.32007833727
4√n 122.03623757415
5√n 46.686471067722

Divisors of 221796781

1, 149, 461, 3229, 68689, 481121, 1488569, 221796781

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 -221796780
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 221796781 can be divided by 8 positive divisors. The sum of these divisors (counting 221796781) is 1, the average is 0.125.

Base conversion 221796781

Base System Value
2 Binary 1101001110000101100110101101
3 Ternary 120110100102222121
4 Quaternary 31032011212231
5 Quinary 423234444111
6 Senary 34001512541
8 Octal 1516054655
10 Decimal 221796781
12 Duodecimal 62342751
16 Hexadecimal d3859ad
20 Vigesimal 3964bj1
36 Base36 3o1vhp

Cryptographic Hash Functions

md5 86252398a07f7fcbded0542bcd78d7ee
sha1 a3669b6b11646386353e6b2fe95eb659894a4107
sha256 9348ab85ed25b6fec57cba3b2fcecfc05a8f7a6b9c969f241b2702beedb95b57
sha512 ca7a0986f9054be61de4f7be4598f55502b41871a1b8b4f164e644125d324530009b3071c91e1923d17bedf696e9e0ea79608c82dd8ceced6985aad44762bb2a
ripemd-160 22a7a3282c6bf26bd78889b2e98752280c8b674d

221796781 as geometric shapes

Circle

Radius = n
Diameter 443593562
Circumference 1393590275.5589
Area 1.5454691857594E+17

Sphere

Radius = n
Volume 4.5704012071482E+25
Surface area 6.1818767430375E+17
Circumference 1393590275.5589

Square

Length = n
Perimeter 887187124
Area 49193812061961961
Diagonal 313668015.7809

Cube

Length = n
Surface area 295162872371771766
Volume 1.0911029160462E+25
Space diagonal 384163293.64723

Equilateral Triangle

Length = n
Perimeter 665390343
Area 2.1301545477328E+16
Altitude 192081646.82361

Triangular Pyramid

Length = n
Surface area 2.1301545477328E+16
Volume 1.2858771181812E+24
Height 104556005.2603