197991040
197,991,040 is an even composite number composed of five prime numbers multiplied together.
197991040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 197991040:
27 × 5 × 13 × 53 × 449
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 53 × 449)See below for interesting mathematical facts about the number 197991040 from the Numbermatics database.
Names of 197991040
- Cardinal: 197991040 can be written as One hundred ninety-seven million, nine hundred ninety-one thousand and forty.
Scientific notation
- Scientific notation: 1.9799104 × 108
Factors of 197991040
Divisors of 197991040
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 40 52 53 64 65 80 104 106 128 130 160 208 212 260 265 320 416 424 449 520 530 640 689 832 848 898 1040 1060 1378 1664 1696 1796 2080 2120 2245 2756 3392 3445 3592 4160 4240 4490 5512 5837 6784 6890 7184 8320 8480 8980 11024 11674 13780 14368 16960 17960 22048 23348 23797 27560 28736 29185 33920 35920 44096 46696 47594 55120 57472 58370 71840 88192 93392 95188 110240 116740 118985 143680 186784 190376 220480 233480 237970 287360 309361 373568 380752 440960 466960 475940 618722 747136 761504 933920 951880 1237444 1523008 1546805 1867840 1903760 2474888 3046016 3093610 3735680 3807520 4949776 6187220 7615040 9899552 12374440 15230080 19799104 24748880 39598208 49497760 98995520 197991040
- Sum of all divisors σ(n): 520506000
- Sum of proper divisors (its aliquot sum) s(n): 322514960
- 197991040 is an abundant number, because the sum of its proper divisors (322514960) is greater than itself. Its abundance is 124523920
Bases of 197991040
- Binary: 10111100110100011010100000002
- Hexadecimal: 0xBCD1A80
- Base-36: 39VMV4
Squares and roots of 197991040
- 197991040 squared (1979910402) is 39200451920281600
- 197991040 cubed (1979910403) is 7761338244166551076864000
-
The
square root of 197991040 is 14070.9288961319 -
The
cube root of 197991040 is 582.8388764163
Scales and comparisons
How big is 197991040?- 197,991,040 seconds is equal to 6 years, 15 weeks, 2 days, 13 hours, 30 minutes, 40 seconds.
-
To count from 1 to 197,991,040 would take you about nine years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 197991040 cubic inches would be around 48.6 feet tall.
Recreational maths with 197991040
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