31621380 is an even 8-digits composite number following 31621379
and preceding 31621381 . In scientific notation, it is written as 3.1621380 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 7227648 positive integers (up to 31621380) that are relatively prime to 31621380.
31621380 has 24 divisors, whose sum is 75892320
The reverse of 31621380 is 08312613
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
thirty-one million six hundred twenty-one thousand three hundred eighty
Scientific notation
3.1621380 × 10^7
Engineering notation
3.1621380 × 10^6
Prime Factorization
2 × 2 × 3 × 35 × 75289
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15810690
Product of the distinct prime numbers
The prime factorization of 31621380 is 2 × 2 × 3 × 35 × 75289.
Since it has a total of 5 prime factors.
4 , 10 , 78 , 98 , 235 , 497 , 6383 , 6976 , 7567 , 54623 , 666833 , 134162 , 9755286 , 8173760 , 18310216 , 44824355 , 478581644 , 317641985 , 6145006568 , 7889547885
n×2
63242760
n×3
94864140
n×4
126485520
n×5
158106900
n÷2
15810690
n÷3
10540460
n÷3
7905345
n÷5
6324276
n2
999911673104400
n3
3.161858698167E+22
n4
9.9982335401044E+29
n5
3.1615794210039E+37
2 √n
5623.2890731315
3 √n
316.22311060936
4 √n
74.988592953405
5 √n
31.622497276413
1 , 2 , 3 , 4 , 6 , 12 , 35 , 70 , 105 , 140 , 210 , 420 , 75289 , 150578 , 225867 , 301156 , 451734 , 903468 , 2635115 , 5270230 , 7905345 , 10540460 , 15810690 , 31621380
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31621379
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31621380 can be divided by 24 positive divisors.
The sum of these divisors (counting 31621380) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1111000101000000100000100
3
Ternary
2012111112101020
4
Quaternary
1320220010010
5
Quinary
31043341010
6
Senary
3045431140
8
Octal
170500404
10
Decimal
31621380
12
Duodecimal
a70b4b0
16
Hexadecimal
1e28104
20
Vigesimal
9hcd90
36
Base36
itr7o
md5
28e784e188bf2ad49e3bf28485882176
sha1
7ead02a4386fbd8bb9b6b8464722bb621b50e678
sha256
79f0c9d10978fed2571ee9f3303a077b1a30425ec1ae93ed1923153edb102149
sha512
a277481cdf2ad9c7ed817aca15426105b395dcd271630e88b072beb4b23044175d9dda91f1ada81db151b5ccff404e16944e2769c16c10a70f7308092930429e
ripemd-160
2acaddc6e0adce33796d7e89c79bc35000ebdaf7
Diameter
63242760
Circumference
198682990.20874
Area
3.1413151664635E+15
Volume
1.3244362743801E+23
Surface area
1.2565260665854E+16
Circumference
198682990.20874
Perimeter
126485520
Area
999911673104400
Diagonal
44719384.456953
Surface area
5999470038626400
Volume
3.161858698167E+22
Space diagonal
54769836.765442
Perimeter
94864140
Area
4.3297445522451E+14
Altitude
27384918.382721
Surface area
4.3297445522451E+14
Volume
3.7262862110459E+21
Height
14906461.485651