30989871 is an odd 8-digits composite number following 30989870
and preceding 30989872 . In scientific notation, it is written as 3.0989871 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 18781200 positive integers (up to 30989871) that are relatively prime to 30989871.
30989871 has 8 divisors, whose sum is 34225488
The reverse of 30989871 is 17898903
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty million nine hundred eighty-nine thousand eight hundred seventy-one
Scientific notation
3.0989871 × 10^7
Engineering notation
3.0989871 × 10^6
Prime Factorization
81 × 11 × 34781
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30989871
Product of the distinct prime numbers
The prime factorization of 30989871 is 81 × 11 × 34781.
Since it has a total of 3 prime factors.
10 , 1 , 44 , 70 , 28 , 333 , 1653 , 9752 , 5874 , 76237 , 862517 , 929137 , 18835 , 2293217 , 47969758 , 57214410 , 433813506 , 26318620 , 1753097631 , 843503870
n×2
61979742
n×3
92969613
n×4
123959484
n×5
154949355
n÷2
15494935.5
n÷3
10329957
n÷3
7747467.75
n÷5
6197974.2
n2
960372104596641
n3
2.9761807633448E+22
n4
9.2231457928738E+29
n5
2.8582409833535E+37
2 √n
5566.8546774637
3 √n
314.1038474856
4 √n
74.611357563468
5 √n
31.495169769548
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30989870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30989871 can be divided by 8 positive divisors.
The sum of these divisors (counting 30989871) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110001101111000101111
3
Ternary
2011022110010000
4
Quaternary
1312031320233
5
Quinary
30413133441
6
Senary
3024115343
8
Octal
166157057
10
Decimal
30989871
12
Duodecimal
a465b53
16
Hexadecimal
1d8de2f
20
Vigesimal
9ddedb
36
Base36
ig7xr
md5
29c8b80e49a449e54d82ae16cd2b6c61
sha1
d6c38e1450f165a0141f0b97c6fac21a9e2dd797
sha256
ff90ee60305e90c0ab08423b85926fc7068ab3e48d73297c77bb6c3d3520ba93
sha512
37e47224343c99ba776f4f92a78a0c4cc3d64c8e0939c2074afcce52e63c9b36c34b35d09f464c03181f1bf5b09ebbb74a0a183f6ae2f0f8783e2c1813f37370
ripemd-160
b0c195c56423b7097519080b9b067d2dee71d90c
Diameter
61979742
Circumference
194715102.13859
Area
3.0170979485134E+15
Volume
1.2466596829173E+23
Surface area
1.2068391794054E+16
Circumference
194715102.13859
Perimeter
123959484
Area
960372104596641
Diagonal
43826295.864393
Surface area
5762232627579846
Volume
2.9761807633448E+22
Space diagonal
53676031.092005
Perimeter
92969613
Area
4.1585331983331E+14
Altitude
26838015.546003
Surface area
4.1585331983331E+14
Volume
3.5074626663302E+21
Height
14608765.288131