78622021 is an odd 8-digits composite number following 78622020
and preceding 78622022 . In scientific notation, it is written as 7.8622021 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 77448492 positive integers (up to 78622021) that are relatively prime to 78622021.
78622021 has 4 divisors, whose sum is 79795552
The reverse of 78622021 is 12022687
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
seventy-eight million six hundred twenty-two thousand twenty-one
Scientific notation
7.8622021 × 10^7
Engineering notation
7.8622021 × 10^6
Prime Factorization
67 × 1173463
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78622021
Product of the distinct prime numbers
The prime factorization of 78622021 is 67 × 1173463.
Since it has a total of 2 prime factors.
3 , 2 , 98 , 8 , 608 , 383 , 1325 , 6320 , 17446 , 79426 , 240963 , 135928 , 1836985 , 9289848 , 12158522 , 46523578 , 802351889 , 96148581 , 4329541517 , 5355077979
n×2
157244042
n×3
235866063
n×4
314488084
n×5
393110105
n÷2
39311010.5
n÷3
26207340.333333
n÷3
19655505.25
n÷5
15724404.2
n2
6181422186124441
n3
4.8599590492734E+23
n4
3.8209980243111E+31
n5
3.0041458690835E+39
2 √n
8866.9059428867
3 √n
428.39862452891
4 √n
94.164249813221
5 √n
37.941005886358
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
-78622020
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 78622021 can be divided by 4 positive divisors.
The sum of these divisors (counting 78622021) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011111010110101000101
3
Ternary
12110221102010201
4
Quaternary
10223322311011
5
Quinary
130111401041
6
Senary
11445050501
8
Octal
453726505
10
Decimal
78622021
12
Duodecimal
223b6a31
16
Hexadecimal
4afad45
20
Vigesimal
14b7f11
36
Base36
1at551
md5
af2b40e57b079e3871ba41848a653df5
sha1
f898714124aff8f61437d42aaf46cf6fcc0ec56b
sha256
d926bce1948e1a04e43188adae378c1b751e1790d38a842147b333d63d4ec2ed
sha512
3e6b9ccf44a31e5b96fa41808987ab7d65d653719ea7ad373ad242289ce99cc995a38ac8b20bd7da24ca749b8a4f1fcde427b225d911ebd6acc09e3e4cee63a1
ripemd-160
d14922f1557937fb0434696667a502273427a398
Diameter
157244042
Circumference
493996727.16796
Area
1.9419510528666E+16
Volume
2.0357348861259E+24
Surface area
7.7678042114662E+16
Circumference
493996727.16796
Perimeter
314488084
Area
6181422186124441
Diagonal
111188328.39938
Surface area
37088533116746646
Volume
4.8599590492734E+23
Space diagonal
136177334.96575
Perimeter
235866063
Area
2.6766343223503E+15
Altitude
68088667.482874
Surface area
2.6766343223503E+15
Volume
5.7275166667169E+22
Height
37062776.133127