168090988 is an even 9-digits composite number following 168090987
and preceding 168090989 . In scientific notation, it is written as 1.68090988 × 10^8.
The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors.
There are 75928704 positive integers (up to 168090988) that are relatively prime to 168090988.
168090988 has 24 divisors, whose sum is 323531712
The reverse of 168090988 is 889090861
Previous prime number is 47
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred sixty-eight million ninety thousand nine hundred eighty-eight
Scientific notation
1.68090988 × 10^8
Engineering notation
1.68090988 × 10^6
Prime Factorization
2 × 2 × 13 × 47 × 68777
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
84045494
Product of the distinct prime numbers
The prime factorization of 168090988 is 2 × 2 × 13 × 47 × 68777.
Since it has a total of 5 prime factors.
1 , 5 , 37 , 9 , 802 , 369 , 6077 , 7513 , 74475 , 6081 , 494727 , 961534 , 6551905 , 3824012 , 32420250 , 16522001 , 604855575 , 639045478 , 4280515366 , 4810653728
n×2
336181976
n×3
504272964
n×4
672363952
n×5
840454940
n÷2
84045494
n÷3
56030329.333333
n÷3
42022747
n÷5
33618197.6
n2
28254580246816144
n3
4.7493403092126E+24
n4
7.9832130492377E+32
n5
1.3419061688609E+41
2 √n
12964.990860004
3 √n
551.88443197777
4 √n
113.86391377431
5 √n
44.168117143295
1 , 2 , 4 , 13 , 26 , 47 , 52 , 94 , 188 , 611 , 1222 , 2444 , 68777 , 137554 , 275108 , 894101 , 1788202 , 3232519 , 3576404 , 6465038 , 12930076 , 42022747 , 84045494 , 168090988
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168090987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168090988 can be divided by 24 positive divisors.
The sum of these divisors (counting 168090988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000001001101110101101100
3
Ternary
102201021220111011
4
Quaternary
22001031311230
5
Quinary
321012402423
6
Senary
24402435004
8
Octal
1201156554
10
Decimal
168090988
12
Duodecimal
48362a64
16
Hexadecimal
a04dd6c
20
Vigesimal
2cab798
36
Base36
2s2ru4
md5
aa8724e05c088258a1c7d43173891190
sha1
2a3285111177eaebd02814542b7d3ef6496db636
sha256
d5f7cda22d40832c8179dad65791d4f622efa310255bde2c1a851a7db0ac5860
sha512
86b1593309f5950724596b9d0848d6deb0311825182c8e2c87db5db6a4b35d596ca6c3a8840244d74a5568d21c60462ea8718314cf61292b0d57122219389b49
ripemd-160
5a2e1820f5e15142e8756aa9e44fe27f793eb963
Diameter
336181976
Circumference
1056146826.0709
Area
8.8764381733661E+16
Volume
1.9893990166427E+25
Surface area
3.5505752693464E+17
Circumference
1056146826.0709
Perimeter
672363952
Area
28254580246816144
Diagonal
237716554.94229
Surface area
169527481480896864
Volume
4.7493403092126E+24
Space diagonal
291142131.51045
Perimeter
504272964
Area
1.2234592133504E+16
Altitude
145571065.75523
Surface area
1.2234592133504E+16
Volume
5.5971512313448E+23
Height
79238851.647431