80821387 is an odd 8-digits composite number following 80821386
and preceding 80821388 . In scientific notation, it is written as 8.0821387 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors.
There are 80342280 positive integers (up to 80821387) that are relatively prime to 80821387.
80821387 has 6 divisors, whose sum is 81303324
The reverse of 80821387 is 78312808
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty million eight hundred twenty-one thousand three hundred eighty-seven
Scientific notation
8.0821387 × 10^7
Engineering notation
8.0821387 × 10^6
Prime Factorization
181 × 181 × 2467
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
446527
Product of the distinct prime numbers
The prime factorization of 80821387 is 181 × 181 × 2467.
Since it has a total of 3 prime factors.
5 , 5 , 94 , 25 , 537 , 662 , 9590 , 9190 , 98764 , 8899 , 221029 , 604581 , 8286296 , 5422047 , 85874361 , 70329620 , 329412465 , 213867946 , 5714160397 , 7221759990
n×2
161642774
n×3
242464161
n×4
323285548
n×5
404106935
n÷2
40410693.5
n÷3
26940462.333333
n÷3
20205346.75
n÷5
16164277.4
n2
6532096596603769
n3
5.279331069555E+23
n4
4.2668285947363E+31
n5
3.4485100511784E+39
2 √n
8990.0715792479
3 √n
432.35660676801
4 √n
94.815987993839
5 √n
38.150941480435
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80821386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80821387 can be divided by 6 positive divisors.
The sum of these divisors (counting 80821387) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100110100010011110010001011
3
Ternary
12122002011002201
4
Quaternary
10310103302023
5
Quinary
131142241022
6
Senary
12004141031
8
Octal
464236213
10
Decimal
80821387
12
Duodecimal
23097777
16
Hexadecimal
4d13c8b
20
Vigesimal
1552d97
36
Base36
1c4a6j
md5
5ebc859dd848852b395204a8d813ff12
sha1
818c205f263f33e8f918fa9d975dfb3b82f2a82d
sha256
3a05bbfe5cfd039a059e2afc6f747f0940d63be52a3f54e31fa0d91d9150d5f9
sha512
6142ce768748328e763370d94f5149a28956cdc61648dcc3d2f6739cd219de215a089f779786b37ad280b74d0ddfa76fa0402625250c479f57b4aff106345049
ripemd-160
65144316857d4886dbf6951bb56b4dadb5008250
Diameter
161642774
Circumference
507815751.30428
Area
2.0521186680429E+16
Volume
2.2114010271976E+24
Surface area
8.2084746721717E+16
Circumference
507815751.30428
Perimeter
323285548
Area
6532096596603769
Diagonal
114298701.6252
Surface area
39192579579622614
Volume
5.279331069555E+23
Space diagonal
139986748.62219
Perimeter
242464161
Area
2.8284807963164E+15
Altitude
69993374.311093
Surface area
2.8284807963164E+15
Volume
6.2217513323519E+22
Height
38099567.208402