221442987 (number)

221442987 is an odd 9-digits composite number following 221442986 and preceding 221442988. In scientific notation, it is written as 2.21442987 × 10^8. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 147628656 positive integers (up to 221442987) that are relatively prime to 221442987.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million four hundred forty-two thousand nine hundred eighty-seven

Notation

Scientific notation 2.21442987 × 10^8
Engineering notation 2.21442987 × 10^6

Prime Factorization of 221442987

Prime Factorization 3 × 73814329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221442987
Product of the distinct prime numbers

The prime factorization of 221442987 is 3 × 73814329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 8, 27, 3, 548, 717, 8884, 1088, 46296, 86065, 949882, 821564, 8665961, 7640857, 43035238, 72908801, 909723628, 680550678, 9912220037, 3166042796

Basic calculations (n = 221442987)

Multiplication

n×y
n×2 442885974
n×3 664328961
n×4 885771948
n×5 1107214935

Division

n÷y
n÷2 110721493.5
n÷3 73814329
n÷3 55360746.75
n÷5 44288597.4

Exponentiation

ny
n2 49036996491482169
n3 1.0858898976582E+25
n4 2.4046270249056E+33
n5 5.3248779101603E+41

Nth Root

y√n
2√n 14880.960553674
3√n 604.99805295004
4√n 121.98754261675
5√n 46.671567386701

Divisors of 221442987

1, 3, 73814329, 221442987

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221442986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221442987 can be divided by 4 positive divisors. The sum of these divisors (counting 221442987) is 1, the average is 0.25.

Base conversion 221442987

Base System Value
2 Binary 1101001100101111001110101011
3 Ternary 120102200110200010
4 Quaternary 31030233032223
5 Quinary 423142133422
6 Senary 33550143003
8 Octal 1514571653
10 Decimal 221442987
12 Duodecimal 621b1a63
16 Hexadecimal d32f3ab
20 Vigesimal 3940797
36 Base36 3nuai3

Cryptographic Hash Functions

md5 7abaf2bc4677db8ef8c7b1011101467f
sha1 d795439981e38d9457632f878e066d66da7b4554
sha256 806d0683f38c2171958468d4b0afaa0443ba166052f49508afa678ac5ada82e7
sha512 d28afcf6210a25ecf22c1ae89800e527b394ed01eda519826cc2f592d78f2087d9aab9f157e09af3bfc847d476daba5e6ebf970052e09da510f090772f86ad70
ripemd-160 851c07eef05681e863823b8594f34d26913cb430

221442987 as geometric shapes

Circle

Radius = n
Diameter 442885974
Circumference 1391367322.2964
Area 1.5405426793175E+17

Sphere

Radius = n
Volume 4.5485649667873E+25
Surface area 6.16217071727E+17
Circumference 1391367322.2964

Square

Length = n
Perimeter 885771948
Area 49036996491482169
Diagonal 313167675.50781

Cube

Length = n
Surface area 294221978948893014
Volume 1.0858898976582E+25
Space diagonal 383550504.46381

Equilateral Triangle

Length = n
Perimeter 664328961
Area 2.1233642343456E+16
Altitude 191775252.23191

Triangular Pyramid

Length = n
Surface area 2.1233642343456E+16
Volume 1.2797335170935E+24
Height 104389225.16927