38991490 is an even 8-digits composite number following 38991489
and preceding 38991491 . In scientific notation, it is written as 3.8991490 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 32 positive divisors.
There are 14878080 positive integers (up to 38991490) that are relatively prime to 38991490.
38991490 has 32 divisors, whose sum is 73483776
The reverse of 38991490 is 09419983
Previous prime number is 31
Is Prime? no Number parity even Number length 8 Sum of Digits 43 Digital Root 7
Name
thirty-eight million nine hundred ninety-one thousand four hundred ninety
Scientific notation
3.8991490 × 10^7
Engineering notation
3.8991490 × 10^6
Prime Factorization
2 × 5 × 73 × 31 × 1723
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
38991490 Product of the distinct prime numbers
The prime factorization of 38991490 is 2 × 5 × 73 × 31 × 1723.
Since it has a total of 5 prime factors.
2 , 8 , 42 , 45 , 904 , 746 , 3766 , 8589 , 88351 , 38980 , 796280 , 792314 , 7679418 , 6757569 , 79999760 , 3683970 , 632980096 , 555492307 , 4748157135 , 7433919466
n×2
77982980
n×3
116974470
n×4
155965960
n×5
194957450
n÷2
19495745
n÷3
12997163.333333
n÷3
9747872.5
n÷5
7798298
n2
1520336292420100
n3
5.9280177342535E+22
n4
2.3114224420497E+30
n5
9.0125805034956E+37
2 √n6244.3166159316
3 √n339.09647651619
4 √n79.020988452003
5 √n32.975695662042
1 , 2 , 5 , 10 , 31 , 62 , 73 , 146 , 155 , 310 , 365 , 730 , 1723 , 2263 , 3446 , 4526 , 8615 , 11315 , 17230 , 22630 , 53413 , 106826 , 125779 , 251558 , 267065 , 534130 , 628895 , 1257790 , 3899149 , 7798298 , 19495745 , 38991490
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-38991489 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38991490 can be divided by 32 positive divisors.
The sum of these divisors (counting 38991490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10010100101111011010000010
3
Ternary
2201100222021021
4
Quaternary
2110233122002
5
Quinary
34440211430
6
Senary
3511420054
8
Octal
224573202
10
Decimal
38991490
12
Duodecimal
1108462a
16
Hexadecimal
252f682
20
Vigesimal
c3diea
36
Base36
n7q0y
md5
f67ef69e55edd1c80e348ece8cc4630f
sha1
4b5a7d52583b239fe6395f9e976cbd476b967d2c
sha256
77113dcd1e1051f46417792f30b1a096d19f1fcbfd12b402c61fea33ff5d3fdc
sha512
42694d6b4f55d3aa4cdc9c0cf665573f234063b9354613c538fa8357cb3944242f402b39e95d67e6eba9e44bd056825ceed5ea27956686ab3ab6aa625cc6ab1c
ripemd-160
c78f295bf76ba9aec7f6d740c31ecd633430735f
Diameter
77982980
Circumference
244990757.07304
Area
4.7762773272529E+15
Volume
2.4831222619041E+23
Surface area
1.9105109309012E+16
Circumference
244990757.07304
Perimeter
155965960
Area
1520336292420100
Diagonal
55142293.975135
Surface area
9122017754520600
Volume
5.9280177342535E+22
Space diagonal
67535241.742814
Perimeter
116974470
Area
6.5832492576563E+14
Altitude
33767620.871407
Surface area
6.5832492576563E+14
Volume
6.9862358981413E+21
Height
18380764.658378