80921837 is an odd 8-digits composite number following 80921836
and preceding 80921838 . In scientific notation, it is written as 8.0921837 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 80874816 positive integers (up to 80921837) that are relatively prime to 80921837.
80921837 has 4 divisors, whose sum is 80968860
The reverse of 80921837 is 73812908
Previous prime number is 1789
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty million nine hundred twenty-one thousand eight hundred thirty-seven
Scientific notation
8.0921837 × 10^7
Engineering notation
8.0921837 × 10^6
Prime Factorization
1789 × 45233
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80921837
Product of the distinct prime numbers
The prime factorization of 80921837 is 1789 × 45233.
Since it has a total of 2 prime factors.
5 , 4 , 67 , 18 , 536 , 578 , 5820 , 7828 , 86453 , 50183 , 781842 , 7706 , 869330 , 4352676 , 74934338 , 58525188 , 947102073 , 759006427 , 4247829315 , 3418846541
n×2
161843674
n×3
242765511
n×4
323687348
n×5
404609185
n÷2
40460918.5
n÷3
26973945.666667
n÷3
20230459.25
n÷5
16184367.4
n2
6548343703454569
n3
5.2990400179093E+23
n4
4.2880805258573E+31
n5
3.469993533563E+39
2 √n
8995.6565630309
3 √n
432.53565277945
4 √n
94.845435119624
5 √n
38.160420056443
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
-80921836
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 80921837 can be divided by 4 positive divisors.
The sum of these divisors (counting 80921837) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110100101100010011101101
3
Ternary
12122021020220002
4
Quaternary
10310230103231
5
Quinary
131203444322
6
Senary
12010234045
8
Octal
464542355
10
Decimal
80921837
12
Duodecimal
23125925
16
Hexadecimal
4d2c4ed
20
Vigesimal
155f4bh
36
Base36
1c6fot
md5
509fc00c531df91e22098780c4f540ae
sha1
aa44a07cff0b5262c8ada718920750b19b3ac8a0
sha256
4eb2c4b5a0d9fbaf666f15acb1dba76d2f3795928ace7f27d0e853932d003424
sha512
baff1792cbda16a683985048c808ac146d477de337f336f5b219a45a7b11a94585891b178fa2a549db10b29484c2b5d57ee23baa806158f5861c4e3a52d0e8b2
ripemd-160
076fb36b32866d53eefd87b65adc0b1b6fd92049
Diameter
161843674
Circumference
508446897.26838
Area
2.0572228471954E+16
Volume
2.2196566921789E+24
Surface area
8.2288913887815E+16
Circumference
508446897.26838
Perimeter
323687348
Area
6548343703454569
Diagonal
114440759.37754
Surface area
39290062220727414
Volume
5.2990400179093E+23
Space diagonal
140160733.12581
Perimeter
242765511
Area
2.8355159999518E+15
Altitude
70080366.562904
Surface area
2.8355159999518E+15
Volume
6.2449785507375E+22
Height
38146919.792515