1978393040 is an even 10-digits composite number following 1978393039
and preceding 1978393041 . In scientific notation, it is written as 1.978393040 × 10^9.
The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors.
There are 730483200 positive integers (up to 1978393040) that are relatively prime to 1978393040.
1978393040 has 20 divisors, whose sum is 3892109892
The reverse of 1978393040 is 0403938791
Previous prime number is 65
Is Prime? no
Number parity even
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion nine hundred seventy-eight million three hundred ninety-three thousand forty
Scientific notation
1.978393040 × 10^9
Engineering notation
1.978393040 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 65 × 1902301
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
247299130
Product of the distinct prime numbers
The prime factorization of 1978393040 is 2 × 2 × 2 × 2 × 65 × 1902301.
Since it has a total of 6 prime factors.
1 , 9 , 26 , 25 , 1000 , 608 , 6934 , 6872 , 26072 , 50594 , 335908 , 521548 , 5846208 , 1751185 , 29251318 , 87864915 , 47552360 , 484595590 , 3868573834 , 4673174163
n×2
3956786080
n×3
5935179120
n×4
7913572160
n×5
9891965200
n÷2
989196520
n÷3
659464346.66667
n÷3
494598260
n÷5
395678608
n2
3914039020720441600
n3
7.7435075568817E+27
n4
1.5319701455722E+37
n5
3.0308390734879E+46
2 √n
44479.130387183
3 √n
1255.3674347273
4 √n
210.90075956995
5 √n
72.320682353287
1 , 2 , 4 , 8 , 16 , 65 , 130 , 260 , 520 , 1040 , 1902301 , 3804602 , 7609204 , 15218408 , 30436816 , 123649565 , 247299130 , 494598260 , 989196520 , 1978393040
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1978393039
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1978393040 can be divided by 20 positive divisors.
The sum of these divisors (counting 1978393040) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110101111010111110000111010000
3
Ternary
12002212200210001022
4
Quaternary
1311322332013100
5
Quinary
13022432034130
6
Senary
524151455012
8
Octal
16572760720
10
Decimal
1978393040
12
Duodecimal
472687468
16
Hexadecimal
75ebe1d0
20
Vigesimal
1ai4j2c0
36
Base36
wpvtu8
md5
1601ccd628dfec066317a1ab3b2235d3
sha1
080e0adf470bc9deda26639e9fa4cbc5690619d9
sha256
9e355839812bd7cc0d4cdd2aa59fb27e9cd27ea68f0ace8db75cbc6707e97b61
sha512
33a6a38de47b3ec4bcd2673f57fa755a7eccc115bd2065aa46ff1a8a8b385fb9f80c6132d51d9513f2ac46ff2a519f5f340420bf3e4e58ab81d9fed69020dad8
ripemd-160
2a05536258adb95e6e8b82bbfff61602d64c8e24
Diameter
3956786080
Circumference
12430610080.754
Area
1.2296316233359E+19
Volume
3.2435928604956E+28
Surface area
4.9185264933437E+19
Circumference
12430610080.754
Perimeter
7913572160
Area
3914039020720441600
Diagonal
2797870268.8725
Surface area
2.3484234124323E+19
Volume
7.7435075568817E+27
Space diagonal
3426677262.6206
Perimeter
5935179120
Area
1.6948286116737E+18
Altitude
1713338631.3103
Surface area
1.6948286116737E+18
Volume
9.1258111727339E+26
Height
932623422.95751