19997321 is an odd 8-digits composite number following 19997320
and preceding 19997322 . In scientific notation, it is written as 1.9997321 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 18608128 positive integers (up to 19997321) that are relatively prime to 19997321.
19997321 has 8 divisors, whose sum is 21413160
The reverse of 19997321 is 12379991
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred ninety-seven thousand three hundred twenty-one
Scientific notation
1.9997321 × 10^7
Engineering notation
1.9997321 × 10^6
Prime Factorization
17 × 89 × 13217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19997321
Product of the distinct prime numbers
The prime factorization of 19997321 is 17 × 89 × 13217.
Since it has a total of 3 prime factors.
1 , 7 , 34 , 8 , 891 , 414 , 8922 , 1293 , 79889 , 2932 , 577423 , 453572 , 746442 , 350305 , 87193068 , 39292799 , 555879863 , 204152260 , 6488303121 , 8947062520
n×2
39994642
n×3
59991963
n×4
79989284
n×5
99986605
n÷2
9998660.5
n÷3
6665773.6666667
n÷3
4999330.25
n÷5
3999464.2
n2
399892847177041
n3
7.9967856306032E+21
n4
1.5991428922336E+29
n5
3.1978573740864E+36
2 √n
4471.8364236631
3 √n
271.42964124364
4 √n
66.871790941047
5 √n
28.853225078114
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
-19997320
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 19997321 can be divided by 8 positive divisors.
The sum of these divisors (counting 19997321) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010010001010001001
3
Ternary
1101121222011112
4
Quaternary
1030102022021
5
Quinary
20104403241
6
Senary
1552340105
8
Octal
114221211
10
Decimal
19997321
12
Duodecimal
6844635
16
Hexadecimal
1312289
20
Vigesimal
64jd61
36
Base36
bwm15
md5
0a575408d264c12eef629a95f989f593
sha1
a14d02bbcf89a0ac7056157a162160b0baa21f4b
sha256
ad01a8ee8828f5dd18f183a48c14a15f18788dea96e0f22359106debb1f0a392
sha512
0d5c469d25caee65a25b990279a6c4dde030a21ab1f8169f12bd7f362c76084b5be161b0adb5111413577da6a4c4ac16f69b0e98bb4bae7d1f85b29ac966538b
ripemd-160
cef02e6e76d51233b16fdd9adc4c6a8019538917
Diameter
39994642
Circumference
125646873.49015
Area
1.2563004309145E+15
Volume
3.3496857319247E+22
Surface area
5.025201723658E+15
Circumference
125646873.49015
Perimeter
79989284
Area
399892847177041
Diagonal
28280482.569328
Surface area
2399357083062246
Volume
7.9967856306032E+21
Space diagonal
34636375.987264
Perimeter
59991963
Area
1.731586822235E+14
Altitude
17318187.993632
Surface area
1.731586822235E+14
Volume
9.4243022451578E+20
Height
9426827.5231094