221557981 (number)

221557981 is an odd 9-digits prime number following 221557980 and preceding 221557982. In scientific notation, it is written as 2.21557981 × 10^8. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 221557980 positive integers (up to 221557981) that are relatively prime to 221557981.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million five hundred fifty-seven thousand nine hundred eighty-one

Notation

Scientific notation 2.21557981 × 10^8
Engineering notation 2.21557981 × 10^6

Prime Factorization of 221557981

Prime Factorization 221557981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 221557981
Product of the distinct prime numbers

The prime factorization of 221557981 is 221557981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 9, 62, 46, 599, 199, 3020, 2647, 73329, 29511, 3690, 717249, 3174115, 1965250, 66798284, 16709927, 881888879, 879747961, 8337527282, 9855541744

Basic calculations (n = 221557981)

Multiplication

n×y
n×2 443115962
n×3 664673943
n×4 886231924
n×5 1107789905

Division

n÷y
n÷2 110778990.5
n÷3 73852660.333333
n÷3 55389495.25
n÷5 44311596.2

Exponentiation

ny
n2 49087938944796361
n3 1.087582464406E+25
n4 2.4096257498481E+33
n5 5.3387181610195E+41

Nth Root

y√n
2√n 14884.823848471
3√n 605.10275876754
4√n 122.00337638144
5√n 46.676413632527

Divisors of 221557981

1, 221557981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 221557982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 110778991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 14884.823882062
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999990973
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221557981 can be divided by 2 positive divisors. The sum of these divisors (counting 221557981) is 221557982, the average is 110778991.

Base conversion 221557981

Base System Value
2 Binary 1101001101001011010011011101
3 Ternary 120102220022102011
4 Quaternary 31031023103131
5 Quinary 423204323411
6 Senary 33552431221
8 Octal 1515132335
10 Decimal 221557981
12 Duodecimal 62248511
16 Hexadecimal d34b4dd
20 Vigesimal 394eej1
36 Base36 3nwr8d

Cryptographic Hash Functions

md5 ddb3dd262d8b162a08af345dfd036d0e
sha1 d94ff9540924479d0b4ec45d0f78769e62d6c3be
sha256 93d9a7a6247b9ebc6d7d1d078042b50d81ee5c47ce1cf7768d61a8eacce454e9
sha512 79576e163693801eca180cef030155a074b4ee6a1e316bc53308b0c202d2136d41042078dde9d05c5aa860927a12579d5f8775113a911422c7bb6f2508dc847e
ripemd-160 e1f2842722b73a85e79e9259c9d5518e05c02109

221557981 as geometric shapes

Circle

Radius = n
Diameter 443115962
Circumference 1392089850.9076
Area 1.5421430836884E+17

Sphere

Radius = n
Volume 4.5556547738014E+25
Surface area 6.1685723347535E+17
Circumference 1392089850.9076

Square

Length = n
Perimeter 886231924
Area 49087938944796361
Diagonal 313330301.5822

Cube

Length = n
Surface area 294527633668778166
Volume 1.087582464406E+25
Space diagonal 383749679.91438

Equilateral Triangle

Length = n
Perimeter 664673943
Area 2.1255701072807E+16
Altitude 191874839.95719

Triangular Pyramid

Length = n
Surface area 2.1255701072807E+16
Volume 1.2817282261351E+24
Height 104443433.86073