168102891 is an odd 9-digits composite number following 168102890
and preceding 168102892 . In scientific notation, it is written as 1.68102891 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 101606400 positive integers (up to 168102891) that are relatively prime to 168102891.
168102891 has 16 divisors, whose sum is 190689408
The reverse of 168102891 is 198201861
Previous prime number is 883
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred sixty-eight million one hundred two thousand eight hundred ninety-one
Scientific notation
1.68102891 × 10^8
Engineering notation
1.68102891 × 10^6
Prime Factorization
27 × 11 × 883 × 641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
168102891
Product of the distinct prime numbers
The prime factorization of 168102891 is 27 × 11 × 883 × 641.
Since it has a total of 4 prime factors.
2 , 5 , 64 , 27 , 160 , 83 , 9262 , 4870 , 50201 , 99909 , 833812 , 39280 , 2933898 , 3825109 , 73587113 , 91445951 , 464993534 , 545635758 , 699027189 , 7907040646
n×2
336205782
n×3
504308673
n×4
672411564
n×5
840514455
n÷2
84051445.5
n÷3
56034297
n÷3
42025722.75
n÷5
33620578.2
n2
28258581962557881
n3
4.7503493234664E+24
n4
7.985474545346E+32
n5
1.3423813570796E+41
2 √n
12965.449895781
3 √n
551.89745850469
4 √n
113.86592947753
5 √n
44.168742659527
1 , 11 , 27 , 297 , 641 , 883 , 7051 , 9713 , 17307 , 23841 , 190377 , 262251 , 566003 , 6226033 , 15282081 , 168102891
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168102890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168102891 can be divided by 16 positive divisors.
The sum of these divisors (counting 168102891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001010000101111101011
3
Ternary
102201022111211000
4
Quaternary
22001100233223
5
Quinary
321013243031
6
Senary
24403010043
8
Octal
1201205753
10
Decimal
168102891
12
Duodecimal
48369923
16
Hexadecimal
a050beb
20
Vigesimal
2cach4b
36
Base36
2s310r
md5
d6ccc63305a7de6d60bf942bbed5ec11
sha1
2648ba75636bc81053d527eb64ef60dc21eaac90
sha256
9926bdc424349111ff67de4fe8cd2b62922755370b9e5eddd0bb8e7af6cfc62d
sha512
180b3f2845c58dd759c55bc8b1a78616691ffdf8752eb03047619720e22c325a36dc3b22acaa854af9e54ad5bc855f18a0edc53149b53581ca9fa8f2547e7ae6
ripemd-160
1422301b0f7b2ae4d702f347c3109c81c473ce09
Diameter
336205782
Circumference
1056221614.8256
Area
8.8776953494437E+16
Volume
1.989821671545E+25
Surface area
3.5510781397775E+17
Circumference
1056221614.8256
Perimeter
672411564
Area
28258581962557881
Diagonal
237733388.32633
Surface area
169551491775347286
Volume
4.7503493234664E+24
Space diagonal
291162748.11121
Perimeter
504308673
Area
1.223632492725E+16
Altitude
145581374.05561
Surface area
1.223632492725E+16
Volume
5.5983403660467E+23
Height
79244462.775442