221528997 (number)

221528997 is an odd 9-digits composite number following 221528996 and preceding 221528998. In scientific notation, it is written as 2.21528997 × 10^8. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 147685992 positive integers (up to 221528997) that are relatively prime to 221528997.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million five hundred twenty-eight thousand nine hundred ninety-seven

Notation

Scientific notation 2.21528997 × 10^8
Engineering notation 2.21528997 × 10^6

Prime Factorization of 221528997

Prime Factorization 9 × 24614333

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221528997
Product of the distinct prime numbers

The prime factorization of 221528997 is 9 × 24614333. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221528997)

Multiplication

n×y
n×2 443057994
n×3 664586991
n×4 886115988
n×5 1107644985

Division

n÷y
n÷2 110764498.5
n÷3 73842999
n÷3 55382249.25
n÷5 44305799.4

Exponentiation

ny
n2 49075096511826009
n3 1.0871556907943E+25
n4 2.408365097645E+33
n5 5.3352270449111E+41

Nth Root

y√n
2√n 14883.850207524
3√n 605.07637129835
4√n 121.99938609486
5√n 46.675192335994

Divisors of 221528997

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 -221528996
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 221528997 can be divided by 4 positive divisors. The sum of these divisors (counting 221528997) is 1, the average is 0.25.

Base conversion 221528997

Base System Value
2 Binary 1101001101000100001110100101
3 Ternary 120102211211122200
4 Quaternary 31031010032211
5 Quinary 423202411442
6 Senary 33552045113
8 Octal 1515041645
10 Decimal 221528997
12 Duodecimal 62233799
16 Hexadecimal d3443a5
20 Vigesimal 394b29h
36 Base36 3nw4v9

Cryptographic Hash Functions

md5 35522d7907953931b9526cd73decbf11
sha1 06949eededb7a4d081da5848c4f5a90e859b2be1
sha256 f9ee83928d80d5fb5ccaae32719133dc07d958b941fa8de626466b5a67de9fff
sha512 e70b73518974373f1a942ea44c16ee969fffd856e9434d3f56910309fc7e6e9a2cb36100f53303793afa5ba89fd7c9aa75da9cb2e3353323f1d692961c495856
ripemd-160 b7fe5b46c5c3c3113e51070e382fe07d20bc8fb7

221528997 as geometric shapes

Circle

Radius = n
Diameter 443057994
Circumference 1391907739.0646
Area 1.5417396267576E+17

Sphere

Radius = n
Volume 4.553867108677E+25
Surface area 6.1669585070305E+17
Circumference 1391907739.0646

Square

Length = n
Perimeter 886115988
Area 49075096511826009
Diagonal 313289312.01631

Cube

Length = n
Surface area 294450579070956054
Volume 1.0871556907943E+25
Space diagonal 383699478.15377

Equilateral Triangle

Length = n
Perimeter 664586991
Area 2.1250140136207E+16
Altitude 191849739.07689

Triangular Pyramid

Length = n
Surface area 2.1250140136207E+16
Volume 1.2812252686103E+24
Height 104429770.6721