221577945 is an odd 9-digits composite number following 221577944
and preceding 221577946 . In scientific notation, it is written as 2.21577945 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 118174896 positive integers (up to 221577945) that are relatively prime to 221577945.
221577945 has 8 divisors, whose sum is 354524736
The reverse of 221577945 is 549775122
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred twenty-one million five hundred seventy-seven thousand nine hundred forty-five
Scientific notation
2.21577945 × 10^8
Engineering notation
2.21577945 × 10^6
Prime Factorization
5 × 3 × 14771863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221577945
Product of the distinct prime numbers
The prime factorization of 221577945 is 5 × 3 × 14771863.
Since it has a total of 3 prime factors.
8 , 7 , 25 , 86 , 425 , 878 , 7899 , 375 , 28221 , 55988 , 642059 , 8233 , 6559575 , 2691227 , 21903121 , 75549029 , 337036004 , 592628501 , 3670527520 , 4138354918
n×2
443155890
n×3
664733835
n×4
886311780
n×5
1107889725
n÷2
110788972.5
n÷3
73859315
n÷3
55394486.25
n÷5
44315589
n2
49096785710423025
n3
1.0878764883821E+25
n4
2.4104943670952E+33
n5
5.3411238829503E+41
2 √n
14885.494449295
3 √n
605.12093295472
4 √n
122.00612463846
5 √n
46.677254779691
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
-221577944
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 221577945 can be divided by 8 positive divisors.
The sum of these divisors (counting 221577945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101010000001011011001
3
Ternary
120102221022210120
4
Quaternary
31031100023121
5
Quinary
423210443240
6
Senary
33553103453
8
Octal
1515201331
10
Decimal
221577945
12
Duodecimal
62257b89
16
Hexadecimal
d3502d9
20
Vigesimal
394h4h5
36
Base36
3nx6mx
md5
e6489d2fa09ae34d34ff831aa65d5e22
sha1
db1ebccfaae3be5951c98ca4394c8322d37de9f7
sha256
e5eeb66925c49f728655f2ea98c2e6eca6596daf76b5df90006383d1b996f9f2
sha512
3243b5ed43e7f87cd418380c52178baa945973e57232d7eafe7f307a4e033c787a30c5c27eabfcf7d99a828e937a8bec28fdbd450e3d2c654ae0114ec7abacb4
ripemd-160
68c3247fd89cb249f2e1470caf8d32ef56edef7b
Diameter
443155890
Circumference
1392215288.419
Area
1.5424210130274E+17
Volume
4.5568863785523E+25
Surface area
6.1696840521095E+17
Circumference
1392215288.419
Perimeter
886311780
Area
49096785710423025
Diagonal
313358534.94176
Surface area
294580714262538150
Volume
1.0878764883821E+25
Space diagonal
383784258.5767
Perimeter
664733835
Area
2.1259531834694E+16
Altitude
191892129.28835
Surface area
2.1259531834694E+16
Volume
1.282074736714E+24
Height
104452844.98059