121990138020
121,990,138,020 is an even composite number composed of six prime numbers multiplied together.
121990138020 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 121990138020:
22 × 33 × 5 × 192 × 41 × 15263
(2 × 2 × 3 × 3 × 3 × 5 × 19 × 19 × 41 × 15263)See below for interesting mathematical facts about the number 121990138020 from the Numbermatics database.
Names of 121990138020
- Cardinal: 121990138020 can be written as One hundred twenty-one billion, nine hundred ninety million, one hundred thirty-eight thousand and twenty.
Scientific notation
- Scientific notation: 1.2199013802 × 1011
Factors of 121990138020
Divisors of 121990138020
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 38 41 45 54 57 60 76 82 90 95 108 114 123 135 164 171 180 190 205 228 246 270 285 342 361 369 380 410 492 513 540 570 615 684 722 738 779 820 855 1026 1083 1107 1140 1230 1444 1476 1558 1710 1805 1845 2052 2166 2214 2337 2460 2565 3116 3249 3420 3610 3690 3895 4332 4428 4674 5130 5415 5535 6498 7011 7220 7380 7790 9348 9747 10260 10830 11070 11685 12996 14022 14801 15263 15580 16245 19494 21033 21660 22140 23370 28044 29602 30526 32490 35055 38988 42066 44403 45789 46740 48735 59204 61052 64980 70110 74005 76315 84132 88806 91578 97470 105165 133209 137367 140220 148010 152630 177612 183156 194940 210330 222015 228945 266418 274734 289997 296020 305260 399627 412101 420660 444030 457890 532836 549468 579994 625783 666045 686835 799254 824202 869991 888060 915780 1159988 1251566 1332090 1373670 1449985 1598508 1648404 1739982 1877349 1998135 2060505 2503132 2609973 2664180 2747340 2899970 3128915 3479964 3754698 3996270 4121010 4349955 5219946 5509943 5632047 5799940 6257830 7509396 7829919 7992540 8242020 8699910 9386745 10439892 11019886 11264094 11889877 12515660 13049865 15659838 16529829 16896141 17399820 18773490 22039772 22528188 23779754 26099730 27549715 28160235 31319676 33059658 33792282 35669631 37546980 39149595 47559508 49589487 52199460 55099430 56320470 59449385 66119316 67584564 71339262 78299190 82649145 84480705 99178974 107008893 110198860 112640940 118898770 142678524 148768461 156598380 165298290 168961410 178348155 198357948 214017786 225907663 237797540 247947435 297536922 321026679 330596580 337922820 356696310 428035572 451815326 495894870 535044465 595073844 642053358 677722989 713392620 743842305 903630652 991789740 1070088930 1129538315 1284106716 1355445978 1487684610 1605133395 2033168967 2140177860 2259076630 2710891956 2975369220 3210266790 3388614945 4066337934 4518153260 6099506901 6420533580 6777229890 8132675868 10165844835 12199013802 13554459780 20331689670 24398027604 30497534505 40663379340 60995069010 121990138020
- Sum of all divisors σ(n): 410347607040
- Sum of proper divisors (its aliquot sum) s(n): 288357469020
- 121990138020 is an abundant number, because the sum of its proper divisors (288357469020) is greater than itself. Its abundance is 166367331000
Bases of 121990138020
- Binary: 11100011001110010110111001000101001002
- Hexadecimal: 0x1C672DC8A4
- Base-36: 1K1HS0X0
Squares and roots of 121990138020
- 121990138020 squared (1219901380202) is 14881593774138649520400
- 121990138020 cubed (1219901380203) is 1815407678464746561610002805608000
-
The
square root of 121990138020 is 349270.8662628477 -
The
cube root of 121990138020 is 4959.5420202897
Scales and comparisons
How big is 121990138020?- 121,990,138,020 seconds is equal to 3,878 years, 47 weeks, 1 day, 21 hours, 27 minutes.
-
To count from 1 to 121,990,138,020 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 121990138020 cubic inches would be around 413.3 feet tall.
Recreational maths with 121990138020
- 121990138020 backwards is 020831099121
- 121990138020 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 121990138020's digits is 36
- More coming soon!
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