1981874188 is an even 10-digits composite number following 1981874187
and preceding 1981874189 . In scientific notation, it is written as 1.981874188 × 10^9.
The sum of its digits is 55. It has a total of 5 prime factors and 24 positive divisors.
There are 841573152 positive integers (up to 1981874188) that are relatively prime to 1981874188.
1981874188 has 24 divisors, whose sum is 3571568000
The reverse of 1981874188 is 8814781891
Previous prime number is 109
Is Prime? no
Number parity even
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion nine hundred eighty-one million eight hundred seventy-four thousand one hundred eighty-eight
Scientific notation
1.981874188 × 10^9
Engineering notation
1.981874188 × 10^9
Prime Factorization
2 × 2 × 49 × 109 × 92767
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
990937094
Product of the distinct prime numbers
The prime factorization of 1981874188 is 2 × 2 × 49 × 109 × 92767.
Since it has a total of 5 prime factors.
10 , 3 , 81 , 72 , 183 , 622 , 6492 , 1814 , 94357 , 37709 , 401274 , 593694 , 8229031 , 2545159 , 36531111 , 93701876 , 808069981 , 471751421 , 3888202278 , 8908252468
n×2
3963748376
n×3
5945622564
n×4
7927496752
n×5
9909370940
n÷2
990937094
n÷3
660624729.33333
n÷3
495468547
n÷5
396374837.6
n2
3927825297060659344
n3
7.784455571218E+27
n4
1.542781156423E+37
n5
3.0575981516475E+46
2 √n
44518.245562915
3 √n
1256.1033112783
4 √n
210.99347279694
5 √n
72.346115316716
1 , 2 , 4 , 49 , 98 , 109 , 196 , 218 , 436 , 5341 , 10682 , 21364 , 92767 , 185534 , 371068 , 4545583 , 9091166 , 10111603 , 18182332 , 20223206 , 40446412 , 495468547 , 990937094 , 1981874188
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
-1981874187
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 1981874188 can be divided by 24 positive divisors.
The sum of these divisors (counting 1981874188) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110001000010000000000001100
3
Ternary
12010010020122021201
4
Quaternary
1312020100000030
5
Quinary
13024324433223
6
Senary
524354235244
8
Octal
16610200014
10
Decimal
1981874188
12
Duodecimal
473885b24
16
Hexadecimal
7621000c
20
Vigesimal
1aj6e598
36
Base36
wryfws
md5
be6866eded4f40bc3fa4457dad4ccccf
sha1
7adf5d7ed93f591a16ef7eb05f1466f998fdfd59
sha256
26d42c69b5ed3fbe79799f9b2bc505729609e54408e20f14891cc900582904fd
sha512
e3336a52f5cc30ccc5736425d15e5a823f95e6e6abfe61b772f046acc4f465eab29b589f066c6fddd3832560b69148841ebded6cdb790013c72df5132c193f16
ripemd-160
0971f83ac648e85d5d69293b16d67b30fdd56a8d
Diameter
3963748376
Circumference
12452482778.72
Area
1.233962709783E+19
Volume
3.2607451246313E+28
Surface area
4.935850839132E+19
Circumference
12452482778.72
Perimeter
7927496752
Area
3927825297060659344
Diagonal
2802793355.5868
Surface area
2.3566951782364E+19
Volume
7.784455571218E+27
Space diagonal
3432706787.8253
Perimeter
5945622564
Area
1.7007982444408E+18
Altitude
1716353393.9127
Surface area
1.7007982444408E+18
Volume
9.1740688704227E+26
Height
934264451.86226