160981639 is an odd 9-digits composite number following 160981638
and preceding 160981640 . In scientific notation, it is written as 1.60981639 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 122976000 positive integers (up to 160981639) that are relatively prime to 160981639.
160981639 has 16 divisors, whose sum is 204966720
The reverse of 160981639 is 936189061
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred sixty million nine hundred eighty-one thousand six hundred thirty-nine
Scientific notation
1.60981639 × 10^8
Engineering notation
1.60981639 × 10^6
Prime Factorization
29 × 7 × 13 × 61001
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
160981639
Product of the distinct prime numbers
The prime factorization of 160981639 is 29 × 7 × 13 × 61001.
Since it has a total of 4 prime factors.
5 , 6 , 22 , 38 , 330 , 982 , 6087 , 9687 , 24862 , 57537 , 863086 , 421492 , 2324434 , 9836980 , 807687 , 43796217 , 16959948 , 989737669 , 6320044036 , 3567113214
n×2
321963278
n×3
482944917
n×4
643926556
n×5
804908195
n÷2
80490819.5
n÷3
53660546.333333
n÷3
40245409.75
n÷5
32196327.8
n2
25915088095126321
n3
4.1718533563828E+24
n4
6.7159179097816E+32
n5
1.0811394725061E+41
2 √n
12687.853995062
3 √n
543.99150140811
4 √n
112.64037462234
5 √n
43.788016085573
1 , 7 , 13 , 29 , 91 , 203 , 377 , 2639 , 61001 , 427007 , 793013 , 1769029 , 5551091 , 12383203 , 22997377 , 160981639
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
-160981638
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 160981639 can be divided by 16 positive divisors.
The sum of these divisors (counting 160981639) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000110001010000111
3
Ternary
102012220201021221
4
Quaternary
21212012022013
5
Quinary
312202403024
6
Senary
23550221211
8
Octal
1146061207
10
Decimal
160981639
12
Duodecimal
45ab4807
16
Hexadecimal
9986287
20
Vigesimal
2a62e1j
36
Base36
2nue87
md5
414b3d1682a1a3893bde1ecb3e136933
sha1
6861ca326964fedcb3da6ec0e8545875146593f3
sha256
c3fd495949a4bb1e3bb30ec1591718bcdcdca387706e1af4f80f19f8a789c8b6
sha512
31ee565b4e45fce440046337fa38069583dd9ac7af1eea238dd2474db513568f04e3d020d7b86b269af757cb5743d69ba5dab62646a456e88443705131c63f96
ripemd-160
76b952db3f4defe4097908bb81e41a6eb30de22f
Diameter
321963278
Circumference
1011477468.8905
Area
8.1414650376781E+16
Volume
1.7475018475022E+25
Surface area
3.2565860150712E+17
Circumference
1011477468.8905
Perimeter
643926556
Area
25915088095126321
Diagonal
227662417.16685
Surface area
155490528570757926
Volume
4.1718533563828E+24
Space diagonal
278828377.83371
Perimeter
482944917
Area
1.1221562315846E+16
Altitude
139414188.91686
Surface area
1.1221562315846E+16
Volume
4.9165763306903E+23
Height
75887472.38895