81898052 is an even 8-digits composite number following 81898051
and preceding 81898053 . In scientific notation, it is written as 8.1898052 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors.
There are 40392000 positive integers (up to 81898052) that are relatively prime to 81898052.
81898052 has 24 divisors, whose sum is 145286400
The reverse of 81898052 is 25089818
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million eight hundred ninety-eight thousand fifty-two
Scientific notation
8.1898052 × 10^7
Engineering notation
8.1898052 × 10^6
Prime Factorization
2 × 2 × 199 × 137 × 751
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40949026
Product of the distinct prime numbers
The prime factorization of 81898052 is 2 × 2 × 199 × 137 × 751.
Since it has a total of 5 prime factors.
5 , 1 , 63 , 91 , 150 , 993 , 8322 , 2889 , 47656 , 58819 , 328496 , 61001 , 1128046 , 6348403 , 72932338 , 40528854 , 846773544 , 957395346 , 2539638362 , 5823564786
n×2
163796104
n×3
245694156
n×4
327592208
n×5
409490260
n÷2
40949026
n÷3
27299350.666667
n÷3
20474513
n÷5
16379610.4
n2
6707290921394704
n3
5.4931406065951E+23
n4
4.4987751504224E+31
n5
3.684409212056E+39
2 √n
9049.754250807
3 √n
434.2680287078
4 √n
95.130196314351
5 √n
38.252049964796
1 , 2 , 4 , 137 , 199 , 274 , 398 , 548 , 751 , 796 , 1502 , 3004 , 27263 , 54526 , 102887 , 109052 , 149449 , 205774 , 298898 , 411548 , 597796 , 20474513 , 40949026 , 81898052
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
-81898051
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 81898052 can be divided by 24 positive divisors.
The sum of these divisors (counting 81898052) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100111000011010101001000100
3
Ternary
12201002212000012
4
Quaternary
10320122221010
5
Quinary
131431214202
6
Senary
12043205352
8
Octal
470325104
10
Decimal
81898052
12
Duodecimal
23516858
16
Hexadecimal
4e1aa44
20
Vigesimal
15bh52c
36
Base36
1crcxw
md5
8842942855167042db087ee69a0c19fc
sha1
76603e5b49fa47d32ef249b3a19519314d0ea43b
sha256
dc0be8b31ad9e0c77f24f4f42692c0127bf4fe5ddfcacf4c183f08b9c9a4e4c5
sha512
b95c369eaf60c8800537d992bb2ec56eac7df44ff3f11509208cb8e9cfd413884b32094d8d03844e837569f3d31c385a85f4bf68fc14a9a16dbf302a7ded913b
ripemd-160
d23f8b3055359fddafe04634430d1a970b16b274
Diameter
163796104
Circumference
514580637.01303
Area
2.1071575884143E+16
Volume
2.300961356642E+24
Surface area
8.4286303536572E+16
Circumference
514580637.01303
Perimeter
327592208
Area
6707290921394704
Diagonal
115821335.87034
Surface area
40243745528368224
Volume
5.4931406065951E+23
Space diagonal
141851587.10492
Perimeter
245694156
Area
2.9043421642503E+15
Altitude
70925793.552459
Surface area
2.9043421642503E+15
Volume
6.4737282882243E+22
Height
38607111.956779