169442981 is an odd 9-digits composite number following 169442980
and preceding 169442982 . In scientific notation, it is written as 1.69442981 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 169303212 positive integers (up to 169442981) that are relatively prime to 169442981.
169442981 has 4 divisors, whose sum is 169582752
The reverse of 169442981 is 189244961
Previous prime number is 1223
Is Prime? no Number parity odd Number length 9 Sum of Digits 44 Digital Root 8
Name
one hundred sixty-nine million four hundred forty-two thousand nine hundred eighty-one
Scientific notation
1.69442981 × 10^8
Engineering notation
1.69442981 × 10^6
Prime Factorization
1223 × 138547
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
169442981 Product of the distinct prime numbers
The prime factorization of 169442981 is 1223 × 138547.
Since it has a total of 2 prime factors.
1 , 9 , 63 , 42 , 593 , 123 , 3452 , 2016 , 1098 , 75654 , 636461 , 944790 , 8352903 , 1910362 , 60337650 , 47382737 , 174808726 , 73218737 , 5245577422 , 549325396
n×2
338885962
n×3
508328943
n×4
677771924
n×5
847214905
n÷2
84721490.5
n÷3
56480993.666667
n÷3
42360745.25
n÷5
33888596.2
n2
28710923810166361
n3
4.8648645176585E+24
n4
8.2431714603318E+32
n5
1.3967475451327E+41
2 √n13017.026580598
3 √n553.36012543455
4 √n114.09218457282
5 √n44.238940436734
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
-169442980 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 169442981 can be divided by 4 positive divisors.
The sum of these divisors (counting 169442981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000110010111111010100101
3
Ternary
102210211121001222
4
Quaternary
22012113322211
5
Quinary
321334133411
6
Senary
24451430125
8
Octal
1206277245
10
Decimal
169442981
12
Duodecimal
488b5345
16
Hexadecimal
a197ea5
20
Vigesimal
2cj0791
36
Base36
2svr1h
md5
1277625307949de34597a51b1d73bd64
sha1
9f4b3436a0b07ce5596f01a99714cdd2f74e5f2a
sha256
e00cd363dc8f27835fe15cc3f6a6a5aaecefb0869ee811b66c6aa3f73b000f18
sha512
e44e2f846e905b9ff7742d8babc32eac27beca32212762bce69cbfe1f9e795c0795a40d15383e3332b53407204a16c3f502bf3afc2452a5ef48f7d84dea517f6
ripemd-160
00b31db719d95bca27f4ec188c707b89a1a42671
Diameter
338885962
Circumference
1064641648.6239
Area
9.0198027319795E+16
Volume
2.0377896839181E+25
Surface area
3.6079210927918E+17
Circumference
1064641648.6239
Perimeter
677771924
Area
28710923810166361
Diagonal
239628561.77913
Surface area
172265542860998166
Volume
4.8648645176585E+24
Space diagonal
293483852.07793
Perimeter
508328943
Area
1.2432194692862E+16
Altitude
146741926.03896
Surface area
1.2432194692862E+16
Volume
5.7332978166502E+23
Height
79876187.259709