77972912 is an even 8-digits composite number following 77972911
and preceding 77972913 . In scientific notation, it is written as 7.7972912 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors.
There are 37932480 positive integers (up to 77972912) that are relatively prime to 77972912.
77972912 has 20 divisors, whose sum is 155156736
The reverse of 77972912 is 21927977
Previous prime number is 37
Is Prime? no Number parity even Number length 8 Sum of Digits 44 Digital Root 8
Name
seventy-seven million nine hundred seventy-two thousand nine hundred twelve
Scientific notation
7.7972912 × 10^7
Engineering notation
7.7972912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 37 × 131711
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
9746614 Product of the distinct prime numbers
The prime factorization of 77972912 is 2 × 2 × 2 × 2 × 37 × 131711.
Since it has a total of 6 prime factors.
2 , 7 , 91 , 31 , 708 , 989 , 1883 , 9073 , 62622 , 97497 , 780618 , 700620 , 7637618 , 1218556 , 87993778 , 28758552 , 141883012 , 332289559 , 443315020 , 2121169511
n×2
155945824
n×3
233918736
n×4
311891648
n×5
389864560
n÷2
38986456
n÷3
25990970.666667
n÷3
19493228
n÷5
15594582.4
n2
6079775005759744
n3
4.740577615039E+23
n4
3.6963664120661E+31
n5
2.8821645296778E+39
2 √n8830.2271771456
3 √n427.21640185405
4 √n93.969288478447
5 √n37.878149233694
1 , 2 , 4 , 8 , 16 , 37 , 74 , 148 , 296 , 592 , 131711 , 263422 , 526844 , 1053688 , 2107376 , 4873307 , 9746614 , 19493228 , 38986456 , 77972912
20 divisors
τ Total Divisors
20 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-77972911 Sum of the proper positive divisors of n
A Arithmetic Mean
0.05 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
20 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77972912 can be divided by 20 positive divisors.
The sum of these divisors (counting 77972912) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101001011100010110110000
3
Ternary
12102201102201122
4
Quaternary
10221130112300
5
Quinary
124430113122
6
Senary
11423121412
8
Octal
451342660
10
Decimal
77972912
12
Duodecimal
22143268
16
Hexadecimal
4a5c5b0
20
Vigesimal
1476c5c
36
Base36
1af8a8
md5
bdc4f0f85e04056bca92596b3c0526fb
sha1
2b53c466fbebcaa2a521a58491729c7e8df44101
sha256
64841506e814330fadf5c3305612d4ac8ae0e6b0eb91c84c0b48947a7f7116bf
sha512
e3c0ff102e6827be86cdd293ea8a8f534a14f96e9d7b815817a86788e51f20313e0dc3cee7a0a23d87c5d0af4c573d222facb7cbefbdc4a1d6b3ca5ae4d61e31
ripemd-160
0a59330243e2525583a56742ba371f76f1a8254c
Diameter
155945824
Circumference
489918255.03641
Area
1.9100176493574E+16
Volume
1.9857285078905E+24
Surface area
7.6400705974295E+16
Circumference
489918255.03641
Perimeter
311891648
Area
6079775005759744
Diagonal
110270349.64812
Surface area
36478650034558464
Volume
4.740577615039E+23
Space diagonal
135053045.1981
Perimeter
233918736
Area
2.6326198021408E+15
Altitude
67526522.599048
Surface area
2.6326198021408E+15
Volume
5.5868242972254E+22
Height
36756783.216041