221497807 is an odd 9-digits composite number following 221497806
and preceding 221497808 . In scientific notation, it is written as 2.21497807 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 221253760 positive integers (up to 221497807) that are relatively prime to 221497807.
221497807 has 4 divisors, whose sum is 221741856
The reverse of 221497807 is 708794122
Previous prime number is 911
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred twenty-one million four hundred ninety-seven thousand eight hundred seven
Scientific notation
2.21497807 × 10^8
Engineering notation
2.21497807 × 10^6
Prime Factorization
911 × 243137
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221497807
Product of the distinct prime numbers
The prime factorization of 221497807 is 911 × 243137.
Since it has a total of 2 prime factors.
10 , 10 , 73 , 84 , 973 , 514 , 4758 , 4057 , 37441 , 33581 , 659892 , 103525 , 1140536 , 846862 , 80036271 , 48692096 , 386930993 , 474067148 , 9512000481 , 1943944986
n×2
442995614
n×3
664493421
n×4
885991228
n×5
1107489035
n÷2
110748903.5
n÷3
73832602.333333
n÷3
55374451.75
n÷5
44299561.4
n2
49061278505809249
n3
1.0866965597653E+25
n4
2.4070090486246E+33
n5
5.331472256995E+41
2 √n
14882.802390679
3 √n
605.04797288241
4 √n
121.99509166634
5 √n
46.673877942607
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
-221497806
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 221497807 can be divided by 4 positive divisors.
The sum of these divisors (counting 221497807) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001100111100100111001111
3
Ternary
120102210020212111
4
Quaternary
31030330213033
5
Quinary
423200412212
6
Senary
33551244451
8
Octal
1514744717
10
Decimal
221497807
12
Duodecimal
62219727
16
Hexadecimal
d33c9cf
20
Vigesimal
39474a7
36
Base36
3nvgsv
md5
46f775e5c0dffd977b1f4f00cd1ca70b
sha1
3b9ea833c57e1eddf1918c0bcb3cb7b1409b6311
sha256
657fce1246ce14eb30688a27e2cc9e8ff3e95665ae5ebf9e646dd59da2e6846f
sha512
5ec767a2981f6c69f0e28d1c72c076986196dface9e93b07abefea3d996e418e250e471a4c42362b8ce9ba58763968e95127bafdaf100ba1d0b847c9236080d4
ripemd-160
8f141fd854e9b8dca047b113bba4383479f2a3eb
Diameter
442995614
Circumference
1391711766.5149
Area
1.5413055212957E+17
Volume
4.55194390512E+25
Surface area
6.1652220851829E+17
Circumference
1391711766.5149
Perimeter
885991228
Area
49061278505809249
Diagonal
313245202.6953
Surface area
294367671034855494
Volume
1.0866965597653E+25
Space diagonal
383645455.48909
Perimeter
664493421
Area
2.1244156764087E+16
Altitude
191822727.74454
Surface area
2.1244156764087E+16
Volume
1.2806841775036E+24
Height
104415067.5651