78532021 is an odd 8-digits composite number following 78532020
and preceding 78532022 . In scientific notation, it is written as 7.8532021 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 75998700 positive integers (up to 78532021) that are relatively prime to 78532021.
78532021 has 4 divisors, whose sum is 81065344
The reverse of 78532021 is 12023587
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
seventy-eight million five hundred thirty-two thousand twenty-one
Scientific notation
7.8532021 × 10^7
Engineering notation
7.8532021 × 10^6
Prime Factorization
31 × 2533291
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78532021
Product of the distinct prime numbers
The prime factorization of 78532021 is 31 × 2533291.
Since it has a total of 2 prime factors.
1 , 4 , 32 , 13 , 29 , 259 , 9215 , 3095 , 87544 , 39820 , 395204 , 341750 , 6581380 , 4211058 , 4854885 , 94921871 , 254301954 , 83209436 , 8047092711 , 2506679277
n×2
157064042
n×3
235596063
n×4
314128084
n×5
392660105
n÷2
39266010.5
n÷3
26177340.333333
n÷3
19633005.25
n÷5
15706404.2
n2
6167278322344441
n3
4.843288307232E+23
n4
3.803532190526E+31
n5
2.9869906986056E+39
2 √n
8861.8294386656
3 √n
428.2350969873
4 √n
94.137290372443
5 √n
37.932315559898
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
-78532020
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 78532021 can be divided by 4 positive divisors.
The sum of these divisors (counting 78532021) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011100100110110110101
3
Ternary
12110202211200101
4
Quaternary
10223210312311
5
Quinary
130101011041
6
Senary
11443114101
8
Octal
453446665
10
Decimal
78532021
12
Duodecimal
22372931
16
Hexadecimal
4ae4db5
20
Vigesimal
14aga11
36
Base36
1ar7p1
md5
97f7b7c87cd7fef59f3f8390587fe5fe
sha1
0faf5246e40a0ee02b1f8a04c2761c741727afc5
sha256
96da40d7c2e5651fd7cf67ccb42f32c4af0f08163210bb44bdf251ebce309d72
sha512
42618dc90d592f611180cb2f585a470f63f982e5bd3a72b7936654b79f4183d4fe27d2d231d5a7ac5eccc1c90560b4410da80320cbc0993eeda941db030de8c4
ripemd-160
cebaf701b9848e24cab3bd11c43d5bb5ab084015
Diameter
157064042
Circumference
493431240.49032
Area
1.9375076270121E+16
Volume
2.028751862029E+24
Surface area
7.7500305080484E+16
Circumference
493431240.49032
Perimeter
314128084
Area
6167278322344441
Diagonal
111061049.17877
Surface area
37003669934066646
Volume
4.843288307232E+23
Space diagonal
136021450.39307
Perimeter
235596063
Area
2.6705098496797E+15
Altitude
68010725.196533
Surface area
2.6705098496797E+15
Volume
5.7078700088088E+22
Height
37020349.726256