77991954 is an even 8-digits composite number following 77991953
and preceding 77991955 . In scientific notation, it is written as 7.7991954 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 24468032 positive integers (up to 77991954) that are relatively prime to 77991954.
77991954 has 16 divisors, whose sum is 165159648
The reverse of 77991954 is 45919977
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
seventy-seven million nine hundred ninety-one thousand nine hundred fifty-four
Scientific notation
7.7991954 × 10^7
Engineering notation
7.7991954 × 10^6
Prime Factorization
2 × 3 × 17 × 764627
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77991954
Product of the distinct prime numbers
The prime factorization of 77991954 is 2 × 3 × 17 × 764627.
Since it has a total of 4 prime factors.
7 , 10 , 16 , 3 , 481 , 874 , 2677 , 1673 , 68934 , 91598 , 212444 , 847779 , 5048632 , 7068694 , 43377910 , 91673357 , 788623452 , 451224299 , 7078577365 , 6527002261
n×2
155983908
n×3
233975862
n×4
311967816
n×5
389959770
n÷2
38995977
n÷3
25997318
n÷3
19497988.5
n÷5
15598390.8
n2
6082744888738116
n3
4.744051595562E+23
n4
3.699978538147E+31
n5
2.8856855594815E+39
2 √n
8831.3053395294
3 √n
427.25117629206
4 √n
93.975025083952
5 √n
37.879999120408
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 764627 , 1529254 , 2293881 , 4587762 , 12998659 , 25997318 , 38995977 , 77991954
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
-77991953
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 77991954 can be divided by 16 positive divisors.
The sum of these divisors (counting 77991954) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101001100001000000010010
3
Ternary
12102202101211220
4
Quaternary
10221201000102
5
Quinary
124431220304
6
Senary
11423345510
8
Octal
451410022
10
Decimal
77991954
12
Duodecimal
22152296
16
Hexadecimal
4a61012
20
Vigesimal
1478jhe
36
Base36
1afmz6
md5
a7ea61a5e3fee684a88f0fe67fdffb72
sha1
37aca738da5ff5499178a7920fce7153460db791
sha256
fcc63891a597557daeee6933c385d35ff2e2dfede97e270e4c8eb63926c8ede2
sha512
7489253adda2825bbb9267cfe0d509e6f98e5ea1209292b8fd0b3ed1f585f4a8a29f9f9a220e8ea2904feeb571f257d7056387a1215777dbcee9b9f4a7c5816b
ripemd-160
9c749b90888a71ed7b7d8500816bce2c19d7a8f2
Diameter
155983908
Circumference
490037899.45103
Area
1.9109506656121E+16
Volume
1.9871836854491E+24
Surface area
7.6438026624482E+16
Circumference
490037899.45103
Perimeter
311967816
Area
6082744888738116
Diagonal
110297279.10278
Surface area
36496469332428696
Volume
4.744051595562E+23
Space diagonal
135086026.90957
Perimeter
233975862
Area
2.6339057991936E+15
Altitude
67543013.454787
Surface area
2.6339057991936E+15
Volume
5.5909184225346E+22
Height
36765759.700926