168991663 is an odd 9-digits prime number following 168991662
and preceding 168991664 . In scientific notation, it is written as 1.68991663 × 10^8.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 168991662 positive integers (up to 168991663) that are relatively prime to 168991663.
168991663 has 2 divisors, whose sum is 168991664
The reverse of 168991663 is 366199861
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 49 Digital Root 4
Name
one hundred sixty-eight million nine hundred ninety-one thousand six hundred sixty-three
Scientific notation
1.68991663 × 10^8
Engineering notation
1.68991663 × 10^6
Prime Factorization
168991663
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
168991663 Product of the distinct prime numbers
The prime factorization of 168991663 is 168991663.
Since it has a total of 1 prime factors.
8 , 1 , 1 , 68 , 653 , 562 , 5715 , 281 , 52357 , 97926 , 290480 , 605446 , 5598708 , 753401 , 34265561 , 3636578 , 589241478 , 768135601 , 1464808331 , 4324758472
n×2
337983326
n×3
506974989
n×4
675966652
n×5
844958315
n÷2
84495831.5
n÷3
56330554.333333
n÷3
42247915.75
n÷5
33798332.6
n2
28558182163505569
n3
4.8260946960677E+24
n4
8.1556976848397E+32
n5
1.3782449146863E+41
2 √n12999.679342199
3 √n552.86838981886
4 √n114.01613632376
5 √n44.215348859239
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
168991664 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
84495832 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12999.679380662 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999881651 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168991663 can be divided by 2 positive divisors.
The sum of these divisors (counting 168991663) is 168991664, the average is 84495832.
Base
System
Value
2
Binary
1010000100101001101110101111
3
Ternary
102202222122222111
4
Quaternary
22010221232233
5
Quinary
321230213123
6
Senary
24434024451
8
Octal
1204515657
10
Decimal
168991663
12
Duodecimal
48718127
16
Hexadecimal
a129baf
20
Vigesimal
2cg3j33
36
Base36
2sm2sv
md5
99c8802b1ed2dd658e530a8bf6722476
sha1
425eb0b11029edd7156a39e9e179eeba54ea3f5f
sha256
65d9a5b1efe95fad017f7d9df70fbdac22e51a791ce397f0a51adbe7e5adb34e
sha512
5048544838401e9281a771614c5684db959eb3851d08ee598cd075a19ef182be830be706fafb3bf54bc675150b176d0004cc713f62112635d2c88908ea647ad9
ripemd-160
65a12af58644bdcf22acfe64b855b73d17e91b16
Diameter
337983326
Circumference
1061805933.9974
Area
8.9718175284748E+16
Volume
2.021549819026E+25
Surface area
3.5887270113899E+17
Circumference
1061805933.9974
Perimeter
675966652
Area
28558182163505569
Diagonal
238990301.74258
Surface area
171349092981033414
Volume
4.8260946960677E+24
Space diagonal
292702146.37156
Perimeter
506974989
Area
1.236605561975E+16
Altitude
146351073.18578
Surface area
1.236605561975E+16
Volume
5.6876071437299E+23
Height
79663433.914195