18738229843840

Names of 18738229843840

• Cardinal: 18738229843840 can be written as Eighteen trillion, seven hundred thirty-eight billion, two hundred twenty-nine million, eight hundred forty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.873822984384 × 10¹³

Factors of 18738229843840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3422

Divisors of 18738229843840

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 8 10 13 16 19 20 26 32 38 40 52 64 65 76 80 95 104 128 130 137 152 160 190 208 247 260 274 293 304 320 380 416 494 520 548 586 608 640 685 760 832 988 1040 1096 1172 1216 1235 1370 1465 1520 1664 1781 1976 2080 2192 2344 2432 2470 2603 2740 2930 2953 3040 3562 3809 3952 4160 4384 4688 4940 5206 5480 5567 5860 5906 6080 7124 7618 7904 8320 8768 8905 9376 9880 10412 10960 11134 11720 11812 12160 13015 14248 14765 15236 15808 17536 17810 18752 19045 19760 20824 21920 22268 23440 23624 26030 27835 28496 29530 30472 31616 33839 35620 37504 38090 38389 39520 40141 41648 43840 44536 46880 47248 52060 55670 56107 56992 59060 60944 67678 71240 72371 76180 76778 79040 80282 83296 87680 89072 93760 94496 104120 111340 112214 113984 118120 121888 135356 142480 144742 152360 153556 158080 160564 166592 169195 178144 187520 188992 191945 200705 208240 222680 224428 227968 236240 243776 270712 280535 284960 289484 304720 307112 321128 333184 338390 356288 361855 377984 383890 401410 404561 416480 445360 448856 472480 487552 521833 541424 561070 569920 578968 609440 614224 642256 676780 712576 723710 729391 762679 767780 802820 809122 832960 865229 890720 897712 944960 1043666 1082848 1122140 1139840 1157936 1218880 1228448 1284512 1353560 1447420 1458782 1525358 1535560 1605640 1618244 1665920 1730458 1781440 1795424 1889920 2022805 2087332 2165696 2244280 2315872 2437760 2456896 2569024 2609165 2707120 2894840 2917564 3050716 3071120 3211280 3236488 3460916 3562880 3590848 3646955 3813395 4045610 4174664 4326145 4331392 4488560 4631744 4913792 5138048 5218330 5259293 5414240 5789680 5835128 6101432 6142240 6422560 6472976 6921832 7181696 7293910 7626790 7686659 8091220 8349328 8652290 8977120 9263488 9914827 10436660 10518586 10828480 11247977 11579360 11670256 12202864 12284480 12845120 12945952 13843664 14587820 15253580 15373318 16182440 16439351 16698656 17304580 17954240 19829654 20873320 21037172 21656960 22495954 23158720 23340512 24405728 24568960 25690240 25891904 26296465 27687328 29175640 30507160 30746636 32364880 32878702 33397312 34609160 35908480 38433295 39659308 41746640 42074344 44991908 46317440 46681024 48811456 49574135 51783808 52592930 55374656 56239885 58351280 61014320 61493272 64729760 65757404 66794624 69218320 76866590 79318616 82196755 83493280 84148688 89983816 93362048 97622912 99148270 99926567 105185860 110749312 112479770 116702560 118536373 122028640 122986544 129459520 131514808 138436640 153733180 158637232 164393510 166986560 168297376 179967632 198296540 199853134 210371720 213711563 224959540 233405120 237072746 244057280 245973088 258919040 263029616 276873280 307466360 317274464 328787020 333973120 336594752 359935264 396593080 399706268 420743440 427423126 449919080 466810240 474145492 488114560 491946176 499632835 526059232 553746560 592681865 614932720 634548928 657574040 673189504 719870528 793186160 799412536 841486880 854846252 899838160 948290984 983892352 999265670 1052118464 1068557815 1185363730 1229865440 1269097856 1315148080 1439741056 1540972849 1586372320 1598825072 1682973760 1709692504 1799676320 1896581968 1998531340 2104236928 2137115630 2252191087 2370727460 2459730880 2630296160 3081945698 3172744640 3197650144 3365947520 3419385008 3599352640 3793163936 3997062680 4274231260 4504382174 4741454920 4919461760 5260592320 6163891396 6345489280 6395300288 6838770016 7198705280 7586327872 7704864245 7994125360 8548462520 9008764348 9482909840 10521184640 11260955435 12327782792 12790600576 13677540032 15172655744 15409728490 15988250720 17096925040 18017528696 18965819680 22521910870 24655565584 27355080064 29278484131 30819456980 31976501440 34193850080 36035057392 37931639360 45043821740 49311131168 58556968262 61638913960 63953002880 68387700160 72070114784 75863278720 90087643480 98622262336 117113936524 123277827920 136775400320 144140229568 146392420655 180175286960 197244524672 234227873048 246555655840 288280459136 292784841310 360350573920 468455746096 493111311680 585569682620 720701147840 936911492192 986222623360 1171139365240 1441402295680 1873822984384 2342278730480 3747645968768 4684557460960 9369114921920 18738229843840
• Sum of all divisors σ(n): 51343606339200
• Sum of proper divisors (its aliquot sum) s(n): 32605376495360
• 18738229843840 is an abundant number, because the sum of its proper divisors (32605376495360) is greater than itself. Its abundance is 13867146651520

Bases of 18738229843840

• Binary: 100010000101011010101100010001001011110000000₂
• Hexadecimal: 0x110AD5889780
• Base-36: 6N4828PZ4

Squares and roots of 18738229843840

• 18738229843840 squared (18738229843840²) is 351121257680576030785945600
• 18738229843840 cubed (18738229843840³) is 6579390829476804597955376452754735104000
• The square root of 18738229843840 is 4328767.7049987333
• The cube root of 18738229843840 is 26560.9041071611

Scales and comparisons

• 18,738,229,843,840 seconds is equal to 595,817 years, 38 weeks, 6 days, 5 hours, 30 minutes, 40 seconds.
• To count from 1 to 18,738,229,843,840 would take you about one million, four hundred eighty-nine thousand, five hundred forty-four 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 18738229843840 cubic inches would be around 2213.4 feet tall.

Recreational maths with 18738229843840

• 18738229843840 backwards is 04834892283781
• The number of decimal digits it has is: 14
• The sum of 18738229843840's digits is 67
• More coming soon!