18768816990
18,768,816,990 is an even composite number composed of six prime numbers multiplied together.
18768816990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 18768816990:
2 × 35 × 5 × 7 × 113 × 829
(2 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 11 × 11 × 11 × 829)See below for interesting mathematical facts about the number 18768816990 from the Numbermatics database.
Names of 18768816990
- Cardinal: 18768816990 can be written as Eighteen billion, seven hundred sixty-eight million, eight hundred sixteen thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.876881699 × 1010
Factors of 18768816990
Divisors of 18768816990
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 5 6 7 9 10 11 14 15 18 21 22 27 30 33 35 42 45 54 55 63 66 70 77 81 90 99 105 110 121 126 135 154 162 165 189 198 210 231 242 243 270 297 315 330 363 378 385 405 462 486 495 567 594 605 630 693 726 770 810 829 847 891 945 990 1089 1134 1155 1210 1215 1331 1386 1485 1658 1694 1701 1782 1815 1890 2079 2178 2310 2430 2487 2541 2662 2673 2835 2970 3267 3402 3465 3630 3993 4145 4158 4235 4455 4974 5082 5346 5445 5670 5803 6237 6534 6655 6930 7461 7623 7986 8290 8470 8505 8910 9119 9317 9801 10395 10890 11606 11979 12435 12474 12705 13310 13365 14922 15246 16335 17010 17409 18238 18634 18711 19602 19965 20790 22383 22869 23958 24870 25410 26730 27357 27951 29015 29403 31185 32670 34818 35937 37305 37422 38115 39930 44766 45595 45738 46585 49005 52227 54714 55902 58030 58806 59895 62370 63833 67149 68607 71874 74610 76230 82071 83853 87045 91190 93170 93555 98010 100309 104454 107811 111915 114345 119790 127666 134298 136785 137214 139755 147015 156681 164142 167706 174090 179685 187110 191499 200618 201447 205821 215622 223830 228690 246213 251559 261135 273570 279510 294030 300927 313362 319165 323433 335745 343035 359370 382998 402894 410355 411642 419265 470043 492426 501545 503118 522270 539055 574497 601854 638330 646866 671490 686070 702163 738639 754677 783405 820710 838530 902781 940086 957495 1003090 1007235 1029105 1078110 1103399 1148994 1231065 1257795 1404326 1410129 1477278 1504635 1509354 1566810 1617165 1723491 1805562 1914990 2014470 2058210 2106489 2206798 2215917 2264031 2350215 2462130 2515590 2708343 2820258 2872485 3009270 3234330 3310197 3446982 3510815 3693195 3773385 4212978 4431834 4513905 4528062 4700430 5170473 5416686 5516995 5744970 6319467 6620394 7021630 7050645 7386390 7546770 7723793 8125029 8617455 9027810 9930591 10340946 10532445 11033990 11079585 11320155 12638934 13541715 14101290 15447586 15511419 16250058 16550985 17234910 18958401 19861182 21064890 22159170 22640310 23171379 24375087 25852365 27083430 29791773 31022838 31597335 33101970 37916802 38618965 40625145 46342758 48750174 49652955 51704730 56875203 59583546 63194670 69514137 77237930 77557095 81250290 89375319 94792005 99305910 113750406 115856895 121875435 139028274 148958865 155114190 170625609 178750638 189584010 208542411 231713790 243750870 268125957 284376015 297917730 341251218 347570685 417084822 446876595 536251914 568752030 625627233 695141370 853128045 893753190 1042712055 1251254466 1340629785 1706256090 1876881699 2085424110 2681259570 3128136165 3753763398 6256272330 9384408495 18768816990
- Sum of all divisors σ(n): 63691729920
- Sum of proper divisors (its aliquot sum) s(n): 44922912930
- 18768816990 is an abundant number, because the sum of its proper divisors (44922912930) is greater than itself. Its abundance is 26154095940
Bases of 18768816990
- Binary: 100010111101011010101101011010111102
- Hexadecimal: 0x45EB56B5E
- Base-36: 8MEGVVI
Squares and roots of 18768816990
- 18768816990 squared (187688169902) is 352268491204112660100
- 18768816990 cubed (187688169903) is 6611662842753415252758975099000
-
The
square root of 18768816990 is 136999.3320786639 -
The
cube root of 18768816990 is 2657.5348385227
Scales and comparisons
How big is 18768816990?- 18,768,816,990 seconds is equal to 596 years, 41 weeks, 16 hours, 16 minutes, 30 seconds.
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To count from 1 to 18,768,816,990 would take you about one thousand, one hundred ninety-three 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 18768816990 cubic inches would be around 221.5 feet tall.
Recreational maths with 18768816990
- 18768816990 backwards is 09961886781
- 18768816990 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18768816990's digits is 63
- More coming soon!
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The information we have on file for 18768816990 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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