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.
221528997 has 4 divisors, whose sum is 246143340
The reverse of 221528997 is 799825122
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred twenty-one million five hundred twenty-eight thousand nine hundred ninety-seven
Scientific notation
2.21528997 × 10^8
Engineering notation
2.21528997 × 10^6
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.
10 , 4 , 88 , 8 , 819 , 551 , 2003 , 739 , 69777 , 3252 , 130240 , 400596 , 571993 , 1315066 , 56477787 , 80426248 , 749668132 , 816066818 , 4407053887 , 6736547365
n×2
443057994
n×3
664586991
n×4
886115988
n×5
1107644985
n÷2
110764498.5
n÷3
73842999
n÷3
55382249.25
n÷5
44305799.4
n2
49075096511826009
n3
1.0871556907943E+25
n4
2.408365097645E+33
n5
5.3352270449111E+41
2 √n
14883.850207524
3 √n
605.07637129835
4 √n
121.99938609486
5 √n
46.675192335994
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
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
md5
35522d7907953931b9526cd73decbf11
sha1
06949eededb7a4d081da5848c4f5a90e859b2be1
sha256
f9ee83928d80d5fb5ccaae32719133dc07d958b941fa8de626466b5a67de9fff
sha512
e70b73518974373f1a942ea44c16ee969fffd856e9434d3f56910309fc7e6e9a2cb36100f53303793afa5ba89fd7c9aa75da9cb2e3353323f1d692961c495856
ripemd-160
b7fe5b46c5c3c3113e51070e382fe07d20bc8fb7
Diameter
443057994
Circumference
1391907739.0646
Area
1.5417396267576E+17
Volume
4.553867108677E+25
Surface area
6.1669585070305E+17
Circumference
1391907739.0646
Perimeter
886115988
Area
49075096511826009
Diagonal
313289312.01631
Surface area
294450579070956054
Volume
1.0871556907943E+25
Space diagonal
383699478.15377
Perimeter
664586991
Area
2.1250140136207E+16
Altitude
191849739.07689
Surface area
2.1250140136207E+16
Volume
1.2812252686103E+24
Height
104429770.6721