81479076 is an even 8-digits composite number following 81479075
and preceding 81479077 . In scientific notation, it is written as 8.1479076 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 23279712 positive integers (up to 81479076) that are relatively prime to 81479076.
81479076 has 12 divisors, whose sum is 149378460
The reverse of 81479076 is 67097418
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million four hundred seventy-nine thousand seventy-six
Scientific notation
8.1479076 × 10^7
Engineering notation
8.1479076 × 10^6
Prime Factorization
2 × 2 × 21 × 969989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40739538
Product of the distinct prime numbers
The prime factorization of 81479076 is 2 × 2 × 21 × 969989.
Since it has a total of 4 prime factors.
6 , 10 , 11 , 89 , 994 , 930 , 5661 , 376 , 17326 , 64645 , 375446 , 439328 , 6118188 , 7763922 , 62763691 , 9586611 , 868188712 , 935674311 , 998653324 , 7114789753
n×2
162958152
n×3
244437228
n×4
325916304
n×5
407395380
n÷2
40739538
n÷3
27159692
n÷3
20369769
n÷5
16295815.2
n2
6638839825813776
n3
5.4092653471931E+23
n4
4.4074194232811E+31
n5
3.591124621534E+39
2 √n
9026.5760950651
3 √n
433.52621603912
4 √n
95.008294875053
5 √n
38.212831479343
1 , 2 , 4 , 21 , 42 , 84 , 969989 , 1939978 , 3879956 , 20369769 , 40739538 , 81479076
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
-81479075
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 81479076 can be divided by 12 positive divisors.
The sum of these divisors (counting 81479076) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110110100010110100100
3
Ternary
12200022120021120
4
Quaternary
10312310112210
5
Quinary
131324312301
6
Senary
12030213540
8
Octal
466642644
10
Decimal
81479076
12
Duodecimal
233542b0
16
Hexadecimal
4db45a4
20
Vigesimal
1594hdg
36
Base36
1cidno
md5
3719d2baa4f75b241ecd1ab0ef4f66cf
sha1
b5ed3c240c3ad805607a54cf300e953dfbff1e60
sha256
28de40bfee037ce4cc725c1d657c8bd08da41768b4f875a5aec1d78206f04590
sha512
de75fef2625ff1aa33599b1d4bcbc106e1de76a021f706695242a94c4ae16f84112d2bc622040794ad4d796c441a6a5cf7eb01582a1b93cc70b462195c3ac310
ripemd-160
0366a3aacf26f5ddd6c3127642c526296be08a92
Diameter
162958152
Circumference
511948133.16577
Area
2.0856530425136E+16
Volume
2.2658277701413E+24
Surface area
8.3426121700544E+16
Circumference
511948133.16577
Perimeter
325916304
Area
6638839825813776
Diagonal
115228814.32883
Surface area
39833038954882656
Volume
5.4092653471931E+23
Space diagonal
141125899.38577
Perimeter
244437228
Area
2.8747019704053E+15
Altitude
70562949.692883
Surface area
2.8747019704053E+15
Volume
6.3748803470627E+22
Height
38409604.776276