221012021 is an odd 9-digits composite number following 221012020
and preceding 221012022 . In scientific notation, it is written as 2.21012021 × 10^8.
The sum of its digits is 11. It has a total of 2 prime factors and 4 positive divisors.
There are 219854700 positive integers (up to 221012021) that are relatively prime to 221012021.
221012021 has 4 divisors, whose sum is 222169344
The reverse of 221012021 is 120210122
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 11
Digital Root 2
Name
two hundred twenty-one million twelve thousand twenty-one
Scientific notation
2.21012021 × 10^8
Engineering notation
2.21012021 × 10^6
Prime Factorization
191 × 1157131
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221012021
Product of the distinct prime numbers
The prime factorization of 221012021 is 191 × 1157131.
Since it has a total of 2 prime factors.
6 , 9 , 7 , 47 , 413 , 914 , 4538 , 2786 , 23199 , 82652 , 242019 , 286410 , 1254587 , 220004 , 60187583 , 55028045 , 364957469 , 354693345 , 8644467409 , 8551123707
n×2
442024042
n×3
663036063
n×4
884048084
n×5
1105060105
n÷2
110506010.5
n÷3
73670673.666667
n÷3
55253005.25
n÷5
44202404.2
n2
48846313426504441
n3
1.0795622448791E+25
n4
2.3859623353603E+33
n5
5.2732635776786E+41
2 √n
14866.473051804
3 √n
604.60532143689
4 √n
121.92814708591
5 √n
46.65338705478
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
-221012020
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 221012021 can be divided by 4 positive divisors.
The sum of these divisors (counting 221012021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001011000110000000110101
3
Ternary
120101212120111102
4
Quaternary
31023012000311
5
Quinary
423034341041
6
Senary
33533015445
8
Octal
1513060065
10
Decimal
221012021
12
Duodecimal
62024585
16
Hexadecimal
d2c6035
20
Vigesimal
3916a11
36
Base36
3nl1yt
md5
58f5479d4d94dba9365d6c3ca15dde94
sha1
ce2841e343e5bfb55d936769a64127060163ba62
sha256
e47f7518957dee2eabb73ff155b2613c000a41e1e6acdfbb223f2de9a278bde3
sha512
5313b606db20a84af8d2abc15405db36e8f097ddf1ee1417563740b3927a11e16ad5a4e391c7d506143b57743c20aa35f1751a2edc69e9d15a85fe55ff4dc8b9
ripemd-160
399ec091c6a80e9d5de7c8a6470db2dc3ec227e2
Diameter
442024042
Circumference
1388659483.0573
Area
1.5345521941565E+17
Volume
4.5220597568069E+25
Surface area
6.138208776626E+17
Circumference
1388659483.0573
Perimeter
884048084
Area
48846313426504441
Diagonal
312558197.54569
Surface area
293077880559026646
Volume
1.0795622448791E+25
Space diagonal
382804049.45548
Perimeter
663036063
Area
2.1151074154285E+16
Altitude
191402024.72774
Surface area
2.1151074154285E+16
Volume
1.2722763067783E+24
Height
104186065.84856