77893921 is an odd 8-digits composite number following 77893920
and preceding 77893922 . In scientific notation, it is written as 7.7893921 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 65884104 positive integers (up to 77893921) that are relatively prime to 77893921.
77893921 has 12 divisors, whose sum is 90213312
The reverse of 77893921 is 12939877
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-seven million eight hundred ninety-three thousand nine hundred twenty-one
Scientific notation
7.7893921 × 10^7
Engineering notation
7.7893921 × 10^6
Prime Factorization
7 × 79 × 79 × 1783
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
985999
Product of the distinct prime numbers
The prime factorization of 77893921 is 7 × 79 × 79 × 1783.
Since it has a total of 4 prime factors.
5 , 10 , 57 , 12 , 470 , 735 , 4720 , 2769 , 2467 , 68061 , 88114 , 991079 , 5138560 , 751491 , 40502428 , 22871398 , 588130435 , 301602624 , 7272595714 , 2309851641
n×2
155787842
n×3
233681763
n×4
311575684
n×5
389469605
n÷2
38946960.5
n÷3
25964640.333333
n÷3
19473480.25
n÷5
15578784.2
n2
6067462928754241
n3
4.7261847804281E+23
n4
3.6814106391807E+31
n5
2.867595094969E+39
2 √n
8825.7532822983
3 √n
427.07208826285
4 √n
93.945480371854
5 √n
37.870471577475
1 , 7 , 79 , 553 , 1783 , 6241 , 12481 , 43687 , 140857 , 985999 , 11127703 , 77893921
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77893920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77893921 can be divided by 12 positive divisors.
The sum of these divisors (counting 77893921) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101001001001000100100001
3
Ternary
12102120102101001
4
Quaternary
10221021010201
5
Quinary
124420101141
6
Senary
11421312001
8
Octal
451110441
10
Decimal
77893921
12
Duodecimal
22105601
16
Hexadecimal
4a49121
20
Vigesimal
146geg1
36
Base36
1adjc1
md5
c25e1f671fc8c3931dd14a3a9258962c
sha1
7443b1983a6284771107d5b6bc3460579020fb6f
sha256
951eae046fd98105c36c5ac3cc9c388729b288f94124e3e32499bb196afc8ad1
sha512
370466350c836012f2992be12984a5c94d7f5198f65787701cbd15daf4ea82a62b3e41e10cd60c04933f76ef5fc3ab912d11c1cfd463c079c234ca4856fd6fc0
ripemd-160
0702dd04d64be131b3f4ddb8211d8a83365b95ec
Diameter
155787842
Circumference
489421939.94581
Area
1.9061496962903E+16
Volume
1.9796996514268E+24
Surface area
7.6245987851611E+16
Circumference
489421939.94581
Perimeter
311575684
Area
6067462928754241
Diagonal
110158639.50462
Surface area
36404777572525446
Volume
4.7261847804281E+23
Space diagonal
134916228.77276
Perimeter
233681763
Area
2.6272885164108E+15
Altitude
67458114.386378
Surface area
2.6272885164108E+15
Volume
5.569862178969E+22
Height
36719546.501539