168991730 is an even 9-digits composite number following 168991729
and preceding 168991731 . In scientific notation, it is written as 1.68991730 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 63620352 positive integers (up to 168991730) that are relatively prime to 168991730.
168991730 has 8 divisors, whose sum is 256470060
The reverse of 168991730 is 037199861
Previous prime number is 85
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred sixty-eight million nine hundred ninety-one thousand seven hundred thirty
Scientific notation
1.68991730 × 10^8
Engineering notation
1.68991730 × 10^6
Prime Factorization
2 × 85 × 994069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
168991730
Product of the distinct prime numbers
The prime factorization of 168991730 is 2 × 85 × 994069.
Since it has a total of 3 prime factors.
4 , 8 , 61 , 64 , 871 , 894 , 3016 , 4746 , 17720 , 56521 , 76400 , 442519 , 6847519 , 4741733 , 73850614 , 55262612 , 796069730 , 797533675 , 486184137 , 8504322078
n×2
337983460
n×3
506975190
n×4
675966920
n×5
844958650
n÷2
84495865
n÷3
56330576.666667
n÷3
42247932.5
n÷5
33798346
n2
28558204808392900
n3
4.8261004362646E+24
n4
8.1557106187812E+32
n5
1.3782476468472E+41
2 √n
12999.681919186
3 √n
552.86846288395
4 √n
114.01614762474
5 √n
44.215352365244
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
-168991729
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 168991730 can be divided by 8 positive divisors.
The sum of these divisors (counting 168991730) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100101001101111110010
3
Ternary
102202222200001222
4
Quaternary
22010221233302
5
Quinary
321230213410
6
Senary
24434025042
8
Octal
1204515762
10
Decimal
168991730
12
Duodecimal
48718182
16
Hexadecimal
a129bf2
20
Vigesimal
2cg3j6a
36
Base36
2sm2uq
md5
89a8292005bfda2edc98b02c742ec2f4
sha1
8f81cd5b9452020da53c0b7df2fdb286723b6677
sha256
be20dae8913feab4b5483a82a27751d128ac456615992259e4284e6af99170c5
sha512
a615d8fb4725ac3758ecb68469220475dc3a5355d4c470f39bb7f815bae91e28398b012cfaffa173f42188f1213f82bd60be405f5b5aefe1e760050eb1a5eaa2
ripemd-160
02ceac717823d9d582fd6920159add64a4fb9e14
Diameter
337983460
Circumference
1061806354.9709
Area
8.971824642576E+16
Volume
2.0215522234741E+25
Surface area
3.5887298570304E+17
Circumference
1061806354.9709
Perimeter
675966920
Area
28558204808392900
Diagonal
238990396.49489
Surface area
171349228850357400
Volume
4.8261004362646E+24
Space diagonal
292702262.41896
Perimeter
506975190
Area
1.2366065425274E+16
Altitude
146351131.20948
Surface area
1.2366065425274E+16
Volume
5.6876139086168E+23
Height
79663465.498297