76680981 is an odd 8-digits composite number following 76680980
and preceding 76680982 . In scientific notation, it is written as 7.6680981 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 46818720 positive integers (up to 76680981) that are relatively prime to 76680981.
76680981 has 16 divisors, whose sum is 92473920
The reverse of 76680981 is 18908667
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-six million six hundred eighty thousand nine hundred eighty-one
Scientific notation
7.6680981 × 10^7
Engineering notation
7.6680981 × 10^6
Prime Factorization
9 × 13 × 131 × 5003
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
76680981
Product of the distinct prime numbers
The prime factorization of 76680981 is 9 × 13 × 131 × 5003.
Since it has a total of 4 prime factors.
10 , 6 , 63 , 86 , 971 , 953 , 8379 , 6261 , 59816 , 85659 , 955017 , 991646 , 2236965 , 6089916 , 82385659 , 31375507 , 263257346 , 474410907 , 8518852564 , 3448414497
n×2
153361962
n×3
230042943
n×4
306723924
n×5
383404905
n÷2
38340490.5
n÷3
25560327
n÷3
19170245.25
n÷5
15336196.2
n2
5879972847122361
n3
4.5088208617071E+23
n4
3.4574080682896E+31
n5
2.6511744239376E+39
2 √n
8756.7677255937
3 √n
424.84373678546
4 √n
93.577602692064
5 √n
37.751788569509
1 , 9 , 13 , 117 , 131 , 1179 , 1703 , 5003 , 15327 , 45027 , 65039 , 585351 , 655393 , 5898537 , 8520109 , 76680981
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
-76680980
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 76680981 can be divided by 16 positive divisors.
The sum of these divisors (counting 76680981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100100100100000111100010101
3
Ternary
12100021210112100
4
Quaternary
10210200330111
5
Quinary
124112242411
6
Senary
11335312313
8
Octal
444407425
10
Decimal
76680981
12
Duodecimal
2181b699
16
Hexadecimal
4920f15
20
Vigesimal
13j5291
36
Base36
19njf9
md5
a98f588185dea33ecad685f362cc8a94
sha1
a49c4315e4b34121accb7eea1bee17ca3006339a
sha256
a7cca7f92af33bb627d810b3cf6eaf3b85e0bf85246b84ff5ef327d7776c2e7c
sha512
603e98b0d09ec78b9751d09b569d3e6972cbb0ce6b3e7510c5338ef9108f7820960288c9db42ff27307f641f616498ed89fd064edc436cabd103880956995302
ripemd-160
0378682f661bd6fc1d07303726a965819c3fb9d0
Diameter
153361962
Circumference
481800813.15932
Area
1.8472479499827E+16
Volume
1.8886504660655E+24
Surface area
7.3889917999308E+16
Circumference
481800813.15932
Perimeter
306723924
Area
5879972847122361
Diagonal
108443283.30627
Surface area
35279837082734166
Volume
4.5088208617071E+23
Space diagonal
132815355.06622
Perimeter
230042943
Area
2.5461029295853E+15
Altitude
66407677.533112
Surface area
2.5461029295853E+15
Volume
5.3136963441141E+22
Height
36147761.102091