164021681 is an odd 9-digits composite number following 164021680
and preceding 164021682 . In scientific notation, it is written as 1.64021681 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 160531812 positive integers (up to 164021681) that are relatively prime to 164021681.
164021681 has 4 divisors, whose sum is 167511552
The reverse of 164021681 is 186120461
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred sixty-four million twenty-one thousand six hundred eighty-one
Scientific notation
1.64021681 × 10^8
Engineering notation
1.64021681 × 10^6
Prime Factorization
47 × 3489823
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
164021681
Product of the distinct prime numbers
The prime factorization of 164021681 is 47 × 3489823.
Since it has a total of 2 prime factors.
2 , 6 , 33 , 35 , 335 , 801 , 7856 , 3210 , 96415 , 48489 , 202191 , 185276 , 9094631 , 6137894 , 79883147 , 95093254 , 601988565 , 544777149 , 8101141080 , 9227138421
n×2
328043362
n×3
492065043
n×4
656086724
n×5
820108405
n÷2
82010840.5
n÷3
54673893.666667
n÷3
41005420.25
n÷5
32804336.2
n2
26903111838065761
n3
4.4126936278105E+24
n4
7.2377742657147E+32
n5
1.1871519017611E+41
2 √n
12807.094947723
3 √n
547.39448742701
4 √n
113.16843618131
5 √n
43.952162899649
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
-164021680
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 164021681 can be divided by 4 positive divisors.
The sum of these divisors (counting 164021681) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001101100010110110001
3
Ternary
102102122011110002
4
Quaternary
21301230112301
5
Quinary
313442143211
6
Senary
24135315345
8
Octal
1161542661
10
Decimal
164021681
12
Duodecimal
46b1bb55
16
Hexadecimal
9c6c5b1
20
Vigesimal
2b52e41
36
Base36
2pnjxt
md5
fc4c390be0867c056423fca80433e3c5
sha1
9a555e7fe7c61f4b8a70fdfafa4911fc6e25439f
sha256
1371b3cf957cbb0d194c1f52374c36c6f073a9a51e9b1d092d379883ffa1ce5c
sha512
24d0513d9959521c7ba6cc5942811af3843fbe2b72cd9d7de24ec34342e67700cf0ac9ac050ceb2115843c1c27ee893544903bcb31427070dcfded141747ec43
ripemd-160
b6aae459cec5e7018afc3d455278462604a939b5
Diameter
328043362
Circumference
1030578616.1181
Area
8.4518618509172E+16
Volume
1.8483847844896E+25
Surface area
3.3807447403669E+17
Circumference
1030578616.1181
Perimeter
656086724
Area
26903111838065761
Diagonal
231961685.79343
Surface area
161418671028394566
Volume
4.4126936278105E+24
Space diagonal
284093885.03485
Perimeter
492065043
Area
1.1649389146309E+16
Altitude
142046942.51743
Surface area
1.1649389146309E+16
Volume
5.2004093125392E+23
Height
77320561.931144