77996891 is an odd 8-digits composite number following 77996890
and preceding 77996892 . In scientific notation, it is written as 7.7996891 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 66854472 positive integers (up to 77996891) that are relatively prime to 77996891.
77996891 has 4 divisors, whose sum is 89139312
The reverse of 77996891 is 19869977
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
seventy-seven million nine hundred ninety-six thousand eight hundred ninety-one
Scientific notation
7.7996891 × 10^7
Engineering notation
7.7996891 × 10^6
Prime Factorization
7 × 11142413
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77996891
Product of the distinct prime numbers
The prime factorization of 77996891 is 7 × 11142413.
Since it has a total of 2 prime factors.
7 , 7 , 83 , 75 , 836 , 789 , 593 , 4849 , 83850 , 75543 , 925791 , 683305 , 9104359 , 5160369 , 91264773 , 28947926 , 789099199 , 823198236 , 4935448658 , 3695418100
n×2
155993782
n×3
233990673
n×4
311987564
n×5
389984455
n÷2
38998445.5
n÷3
25998963.666667
n÷3
19499222.75
n÷5
15599378.2
n2
6083515005665881
n3
4.7449525679379E+23
n4
3.7009154824162E+31
n5
2.8865990148223E+39
2 √n
8831.5848521089
3 √n
427.26019130127
4 √n
93.976512236351
5 √n
37.880478679673
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77996890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77996891 can be divided by 4 positive divisors.
The sum of these divisors (counting 77996891) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001100010001101011011
3
Ternary
12102202122121202
4
Quaternary
10221202031123
5
Quinary
124431400031
6
Senary
11423424415
8
Octal
451421533
10
Decimal
77996891
12
Duodecimal
2215510b
16
Hexadecimal
4a6235b
20
Vigesimal
1479c4b
36
Base36
1afqsb
md5
7f79ff83b25d120dd2c2dc5cb1fd8e0c
sha1
2a636ecbab395bda552ac20bfb175195fa0c8e69
sha256
6011cfc6a0b5074e3aea82f6b400f43a7b20031716e77101897e9ec5ebec768d
sha512
2fdcd56a81c8c198032237a9418a98f8018c35a3c967a55ff26924bce7996e98d78b234cd22577cdbf4b8a2e61b4b216d75c4d4784d52c73afa834e8e8f11788
ripemd-160
033335773f6ed78ee0e76738b8577a53ccec463b
Diameter
155993782
Circumference
490068919.53689
Area
1.9111926049803E+16
Volume
1.9875610838754E+24
Surface area
7.6447704199213E+16
Circumference
490068919.53689
Perimeter
311987564
Area
6083515005665881
Diagonal
110304261.07514
Surface area
36501090033995286
Volume
4.7449525679379E+23
Space diagonal
135094578.04441
Perimeter
233990673
Area
2.6342392696052E+15
Altitude
67547289.022206
Surface area
2.6342392696052E+15
Volume
5.5919802286623E+22
Height
36768087.025045