31621390 is an even 8-digits composite number following 31621389
and preceding 31621391 . In scientific notation, it is written as 3.1621390 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 12409696 positive integers (up to 31621390) that are relatively prime to 31621390.
31621390 has 16 divisors, whose sum is 57993408
The reverse of 31621390 is 09312613
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty-one million six hundred twenty-one thousand three hundred ninety
Scientific notation
3.1621390 × 10^7
Engineering notation
3.1621390 × 10^6
Prime Factorization
2 × 5 × 53 × 59663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31621390
Product of the distinct prime numbers
The prime factorization of 31621390 is 2 × 5 × 53 × 59663.
Since it has a total of 4 prime factors.
9 , 6 , 50 , 73 , 736 , 626 , 5558 , 8402 , 93654 , 47027 , 803837 , 548463 , 7334418 , 1640512 , 22272528 , 16341525 , 52594819 , 818455352 , 9402481572 , 2449441319
n×2
63242780
n×3
94864170
n×4
126485560
n×5
158106950
n÷2
15810695
n÷3
10540463.333333
n÷3
7905347.5
n÷5
6324278
n2
999912305532100
n3
3.161861697903E+22
n4
9.9982461875452E+29
n5
3.1615844201238E+37
2 √n
5623.2899622908
3 √n
316.22314394367
4 √n
74.988598882035
5 √n
31.622499276483
1 , 2 , 5 , 10 , 53 , 106 , 265 , 530 , 59663 , 119326 , 298315 , 596630 , 3162139 , 6324278 , 15810695 , 31621390
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31621389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31621390 can be divided by 16 positive divisors.
The sum of these divisors (counting 31621390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000101000000100001110
3
Ternary
2012111112101121
4
Quaternary
1320220010032
5
Quinary
31043341030
6
Senary
3045431154
8
Octal
170500416
10
Decimal
31621390
12
Duodecimal
a70b4ba
16
Hexadecimal
1e2810e
20
Vigesimal
9hcd9a
36
Base36
itr7y
md5
a8c1d4cf399bcfec4354d569593f7958
sha1
0ed5d261ce126446e40be941a4ada3f6a4ea2b97
sha256
d8f17f1bd1e947cd9e769df6efde89ac95813053c128e5cce19210d19e789a9d
sha512
baecfe70f03adf96baee0ceb3b2365a9bc4cd0d1adf336300bb42cd99b6c7c79936b1e370e4f4866cb1048bd86ff3b325b494e4978043e2a81dd3f692c92fe3b
ripemd-160
a8873c0a137198438813d3653977989adb01eeb7
Diameter
63242780
Circumference
198683053.0406
Area
3.1413171532937E+15
Volume
1.3244375309065E+23
Surface area
1.2565268613175E+16
Circumference
198683053.0406
Perimeter
126485560
Area
999912305532100
Diagonal
44719398.599089
Surface area
5999473833192600
Volume
3.161861697903E+22
Space diagonal
54769854.08595
Perimeter
94864170
Area
4.3297472907373E+14
Altitude
27384927.042975
Surface area
4.3297472907373E+14
Volume
3.7262897462687E+21
Height
14906466.199696