221388985 (number)

221388985 is an odd 9-digits composite number following 221388984 and preceding 221388986. In scientific notation, it is written as 2.21388985 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 177111184 positive integers (up to 221388985) that are relatively prime to 221388985.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million three hundred eighty-eight thousand nine hundred eighty-five

Notation

Scientific notation 2.21388985 × 10^8
Engineering notation 2.21388985 × 10^6

Prime Factorization of 221388985

Prime Factorization 5 × 44277797

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221388985
Product of the distinct prime numbers

The prime factorization of 221388985 is 5 × 44277797. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 2, 80, 35, 144, 321, 5010, 5904, 73950, 97739, 653789, 466743, 8196678, 3015217, 16495345, 99141201, 123527182, 207664204, 4294907871, 8857549729

Basic calculations (n = 221388985)

Multiplication

n×y
n×2 442777970
n×3 664166955
n×4 885555940
n×5 1106944925

Division

n÷y
n÷2 110694492.5
n÷3 73796328.333333
n÷3 55347246.25
n÷5 44277797

Exponentiation

ny
n2 49013082679330225
n3 1.0850956626098E+25
n4 2.4022822737309E+33
n5 5.3183883426477E+41

Nth Root

y√n
2√n 14879.145976836
3√n 604.94886984513
4√n 121.98010484024
5√n 46.669290860447

Divisors of 221388985

1, 5, 44277797, 221388985

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 -221388984
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 221388985 can be divided by 4 positive divisors. The sum of these divisors (counting 221388985) is 1, the average is 0.25.

Base conversion 221388985

Base System Value
2 Binary 1101001100100010000010111001
3 Ternary 120102120201121001
4 Quaternary 31030202002321
5 Quinary 423133421420
6 Senary 33545045001
8 Octal 1514420271
10 Decimal 221388985
12 Duodecimal 62186761
16 Hexadecimal d3220b9
20 Vigesimal 393dc95
36 Base36 3nt4u1

Cryptographic Hash Functions

md5 0a3c5e231be12ae0bf32db32ef5fd662
sha1 382d6f5b330eda0d99c1072c04a3d320128727ad
sha256 5acddf9251c50afa89bc5ec5e30a59d1a7d4ebf88fd5fa5d4d40cb922a8649aa
sha512 a005cf0ef89ea25ad8a92c3967bb9284eb226da248dc042b53bc546bb70c9de03a0a208c010de871390c082f23c794cb6ca9a89411ed63e4cce0653643e05f63
ripemd-160 43816dc4f82925b513e0c54dbaa1ebc60a250c84

221388985 as geometric shapes

Circle

Radius = n
Diameter 442777970
Circumference 1391028017.7234
Area 1.5397914047517E+17

Sphere

Radius = n
Volume 4.5452380827961E+25
Surface area 6.1591656190069E+17
Circumference 1391028017.7234

Square

Length = n
Perimeter 885555940
Area 49013082679330225
Diagonal 313091305.14701

Cube

Length = n
Surface area 294078496075981350
Volume 1.0850956626098E+25
Space diagonal 383456970.2561

Equilateral Triangle

Length = n
Perimeter 664166955
Area 2.1223287359044E+16
Altitude 191728485.12805

Triangular Pyramid

Length = n
Surface area 2.1223287359044E+16
Volume 1.2787975021125E+24
Height 104363768.38234