121990312440
121,990,312,440 is an even composite number composed of five prime numbers multiplied together.
121990312440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 121990312440:
23 × 34 × 5 × 19 × 1981649
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 19 × 1981649)See below for interesting mathematical facts about the number 121990312440 from the Numbermatics database.
Names of 121990312440
- Cardinal: 121990312440 can be written as One hundred twenty-one billion, nine hundred ninety million, three hundred twelve thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.2199031244 × 1011
Factors of 121990312440
Divisors of 121990312440
- Number of divisors d(n): 160
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 27 30 36 38 40 45 54 57 60 72 76 81 90 95 108 114 120 135 152 162 171 180 190 216 228 270 285 324 342 360 380 405 456 513 540 570 648 684 760 810 855 1026 1080 1140 1368 1539 1620 1710 2052 2280 2565 3078 3240 3420 4104 5130 6156 6840 7695 10260 12312 15390 20520 30780 61560 1981649 3963298 5944947 7926596 9908245 11889894 15853192 17834841 19816490 23779788 29724735 35669682 37651331 39632980 47559576 53504523 59449470 71339364 75302662 79265960 89174205 107009046 112953993 118898940 142678728 150605324 160513569 178348410 188256655 214018092 225907986 237797880 267522615 301210648 321027138 338861979 356696820 376513310 428036184 451815972 535045230 564769965 642054276 677723958 713393640 753026620 802567845 903631944 1016585937 1070090460 1129539930 1284108552 1355447916 1506053240 1605135690 1694309895 2033171874 2140180920 2259079860 2710895832 3049757811 3210271380 3388619790 4066343748 4518159720 5082929685 6099515622 6420542760 6777239580 8132687496 10165859370 12199031244 13554479160 15248789055 20331718740 24398062488 30497578110 40663437480 60995156220 121990312440
- Sum of all divisors σ(n): 431603370000
- Sum of proper divisors (its aliquot sum) s(n): 309613057560
- 121990312440 is an abundant number, because the sum of its proper divisors (309613057560) is greater than itself. Its abundance is 187622745120
Bases of 121990312440
- Binary: 11100011001110011000001110001111110002
- Hexadecimal: 0x1C673071F8
- Base-36: 1K1HVRI0
Squares and roots of 121990312440
- 121990312440 squared (1219903124402) is 14881636329208818753600
- 121990312440 cubed (1219903124403) is 1815415465418638497754995374784000
-
The
square root of 121990312440 is 349271.1159543545 -
The
cube root of 121990312440 is 4959.5443839861
Scales and comparisons
How big is 121990312440?- 121,990,312,440 seconds is equal to 3,878 years, 47 weeks, 3 days, 21 hours, 54 minutes.
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To count from 1 to 121,990,312,440 would take you about seven thousand, seven hundred fifty-seven 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 121990312440 cubic inches would be around 413.3 feet tall.
Recreational maths with 121990312440
- 121990312440 backwards is 044213099121
- 121990312440 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 121990312440's digits is 36
- More coming soon!
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