157026721 is an odd 9-digits composite number following 157026720
and preceding 157026722 . In scientific notation, it is written as 1.57026721 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 154832832 positive integers (up to 157026721) that are relatively prime to 157026721.
157026721 has 8 divisors, whose sum is 159235200
The reverse of 157026721 is 127620751
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred fifty-seven million twenty-six thousand seven hundred twenty-one
Scientific notation
1.57026721 × 10^8
Engineering notation
1.57026721 × 10^6
Prime Factorization
199 × 113 × 6983
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157026721
Product of the distinct prime numbers
The prime factorization of 157026721 is 199 × 113 × 6983.
Since it has a total of 3 prime factors.
10 , 10 , 1 , 51 , 255 , 405 , 35 , 9873 , 96881 , 49267 , 478232 , 490540 , 9290493 , 3209786 , 28979183 , 69314800 , 240443920 , 667102307 , 9407582813 , 4999012887
n×2
314053442
n×3
471080163
n×4
628106884
n×5
785133605
n÷2
78513360.5
n÷3
52342240.333333
n÷3
39256680.25
n÷5
31405344.2
n2
24657391108011841
n3
3.8718692741057E+24
n4
6.0798693625346E+32
n5
9.5470195010717E+40
2 √n
12531.030324758
3 √n
539.49967489529
4 √n
111.94208469007
5 √n
43.570717565782
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
-157026720
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 157026721 can be divided by 8 positive divisors.
The sum of these divisors (counting 157026721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010111000000100110100001
3
Ternary
101221110210011111
4
Quaternary
21113000212201
5
Quinary
310144323341
6
Senary
23325343321
8
Octal
1127004641
10
Decimal
157026721
12
Duodecimal
44707b41
16
Hexadecimal
95c09a1
20
Vigesimal
29186g1
36
Base36
2lhmld
md5
4c01c1ed66e2635ea7eb8a6dde623254
sha1
418fe4e407f581f377261cfa865e5591a31f3d25
sha256
9d39261b0f7ef9c0e83ec0f9bc376aba55d313c684ad4310b73eba4cc4a93bbc
sha512
71535a264cc68cec7d4819dfde5b23a906d09cbe36760685586e0b39047196bc6be04f3fff1b827b39cab91c4c7984d5818a86ea992369d6a979566c26fe6e3a
ripemd-160
18137e08b6bf3b3bc5f0e887ddd7d47b3c5b2fef
Diameter
314053442
Circumference
986627986.22179
Area
7.746347876162E+16
Volume
1.6218448089587E+25
Surface area
3.0985391504648E+17
Circumference
986627986.22179
Perimeter
628106884
Area
24657391108011841
Diagonal
222069318.49318
Surface area
147944346648071046
Volume
3.8718692741057E+24
Space diagonal
271978258.91794
Perimeter
471080163
Area
1.0676963545293E+16
Altitude
135989129.45897
Surface area
1.0676963545293E+16
Volume
4.5630416993132E+23
Height
74023106.164392