78897137 is an odd 8-digits composite number following 78897136
and preceding 78897138 . In scientific notation, it is written as 7.8897137 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 71724660 positive integers (up to 78897137) that are relatively prime to 78897137.
78897137 has 4 divisors, whose sum is 86069616
The reverse of 78897137 is 73179887
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-eight million eight hundred ninety-seven thousand one hundred thirty-seven
Scientific notation
7.8897137 × 10^7
Engineering notation
7.8897137 × 10^6
Prime Factorization
11 × 7172467
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78897137
Product of the distinct prime numbers
The prime factorization of 78897137 is 11 × 7172467.
Since it has a total of 2 prime factors.
2 , 5 , 40 , 51 , 557 , 28 , 5411 , 3997 , 74219 , 10880 , 462431 , 233433 , 1192940 , 5867651 , 2291121 , 91422446 , 519174274 , 187935938 , 2683282403 , 2157739239
n×2
157794274
n×3
236691411
n×4
315588548
n×5
394485685
n÷2
39448568.5
n÷3
26299045.666667
n÷3
19724284.25
n÷5
15779427.4
n2
6224758226796769
n3
4.9111560261146E+23
n4
3.8747614982074E+31
n5
3.0570758876639E+39
2 √n
8882.4060366547
3 √n
428.89773028875
4 √n
94.246517371491
5 √n
37.967521608129
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
-78897136
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 78897137 can be divided by 4 positive divisors.
The sum of these divisors (counting 78897137) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100111101111111110001
3
Ternary
12111110101112012
4
Quaternary
10230331333301
5
Quinary
130144202022
6
Senary
11455012305
8
Octal
454757761
10
Decimal
78897137
12
Duodecimal
2250a095
16
Hexadecimal
4b3dff1
20
Vigesimal
14d22gh
36
Base36
1az1f5
md5
2024cb697b3a1ace5118e11a091f2d5e
sha1
cb67dc91a35e03b60858cec42523ed245ab94118
sha256
4868662ea9f5d5cb4f25a1836e0b96c1c54e63e461cd15446bebe87aa9b3d5ac
sha512
7dd4fb855e890d46811988b5c682aff6adbddd5043089d5bfba7720eb972bc731a3649bb13a8b41d6e6e469d2e79d82c1a0ad33556a057488dedce14d212ada5
ripemd-160
ce6ff1bca76d358209a4f0ae4741ac01e6bc9b73
Diameter
157794274
Circumference
495725331.97693
Area
1.9555654715677E+16
Volume
2.0571802256367E+24
Surface area
7.8222618862709E+16
Circumference
495725331.97693
Perimeter
315588548
Area
6224758226796769
Diagonal
111577401.17781
Surface area
37348549360780614
Volume
4.9111560261146E+23
Space diagonal
136653849.85572
Perimeter
236691411
Area
2.6953993784111E+15
Altitude
68326924.927861
Surface area
2.6953993784111E+15
Volume
5.7878528825514E+22
Height
37192467.059269