18338129981440

Names of 18338129981440

• Cardinal: 18338129981440 can be written as Eighteen trillion, three hundred thirty-eight billion, one hundred twenty-nine million, nine hundred eighty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.833812998144 × 10¹³

Factors of 18338129981440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1180

Divisors of 18338129981440

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 53 64 68 80 85 106 128 136 160 170 212 256 265 272 289 320 340 424 512 530 544 578 640 680 848 901 1024 1060 1088 1103 1156 1280 1360 1445 1696 1802 2048 2120 2176 2206 2312 2560 2720 2809 2890 3392 3604 4096 4240 4352 4412 4505 4624 5120 5440 5515 5618 5780 6784 7208 8480 8704 8824 9010 9248 10240 10880 11030 11236 11560 13568 14045 14416 15317 16960 17408 17648 18020 18496 18751 20480 21760 22060 22472 23120 27136 28090 28832 30634 33920 34816 35296 36040 36992 37502 43520 44120 44944 46240 47753 54272 56180 57664 58459 61268 67840 69632 70592 72080 73984 75004 76585 87040 88240 89888 92480 93755 95506 108544 112360 115328 116918 122536 135680 141184 144160 147968 150008 153170 174080 176480 179776 184960 187510 191012 217088 224720 230656 233836 238765 245072 271360 282368 288320 292295 295936 300016 306340 318767 348160 352960 359552 369920 375020 382024 449440 461312 467672 477530 490144 542720 564736 576640 584590 591872 600032 612680 637534 705920 719104 739840 750040 764048 811801 898880 922624 935344 955060 980288 993803 1085440 1129472 1153280 1169180 1183744 1200064 1225360 1275068 1411840 1438208 1479680 1500080 1528096 1593835 1623602 1797760 1845248 1870688 1910120 1960576 1987606 2258944 2306560 2338360 2400128 2450720 2550136 2823680 2876416 2959360 3000160 3056192 3098327 3187670 3247204 3595520 3690496 3741376 3820240 3921152 3975212 4059005 4517888 4613120 4676720 4800256 4901440 4969015 5100272 5647360 5752832 5918720 6000320 6112384 6196654 6375340 6494408 7191040 7482752 7640480 7842304 7950424 8118010 9226240 9353440 9600512 9802880 9938030 10200544 11294720 11505664 12000640 12224768 12393308 12750680 12988816 14382080 14965504 15280960 15491635 15684608 15900848 16236020 16894651 18452480 18706880 19201024 19605760 19876060 20401088 22589440 24001280 24449536 24786616 25501360 25977632 28764160 29931008 30561920 30983270 31369216 31801696 32472040 33789302 37413760 38402048 39211520 39752120 40802176 48002560 48899072 49573232 51002720 51955264 52671559 57528320 59862016 61123840 61966540 62738432 63603392 64944080 67578604 74827520 76804096 78423040 79504240 81604352 84473255 96005120 97798144 99146464 102005440 103910528 105343118 119724032 122247680 123933080 127206784 129888160 135157208 149655040 156846080 159008480 163208704 168946510 192010240 195596288 198292928 204010880 207821056 210686236 239448064 244495360 247866160 254413568 259776320 263357795 270314416 299310080 313692160 318016960 326417408 337893020 384020480 396585856 408021760 415642112 421372472 488990720 495732320 508827136 519552640 526715590 540628832 598620160 636033920 652834816 675786040 793171712 816043520 831284224 842744944 895416503 977981440 991464640 1017654272 1039105280 1053431180 1081257664 1197240320 1272067840 1305669632 1351572080 1586343424 1632087040 1662568448 1685489888 1790833006 1982929280 2035308544 2078210560 2106862360 2162515328 2544135680 2703144160 3172686848 3264174080 3325136896 3370979776 3581666012 3965858560 4070617088 4156421120 4213724720 4325030656 4477082515 5088271360 5406288320 6345373696 6528348160 6741959552 7163332024 7931717120 8312842240 8427449440 8650061312 8954165030 10176542720 10812576640 12690747392 13483919104 14326664048 15863434240 16625684480 16854898880 17300122624 17908330060 20353085440 21625153280 26967838208 28653328096 31726868480 33709797760 34600245248 35816660120 43250306560 53935676416 57306656192 63453736960 67419595520 69200490496 71633320240 86500613120 107871352832 114613312384 134839191040 143266640480 173001226240 215742705664 229226624768 269678382080 286533280960 346002452480 458453249536 539356764160 573066561920 916906499072 1078713528320 1146133123840 1833812998144 2292266247680 3667625996288 4584532495360 9169064990720 18338129981440
• Sum of all divisors σ(n): 47688863562144
• Sum of proper divisors (its aliquot sum) s(n): 29350733580704
• 18338129981440 is an abundant number, because the sum of its proper divisors (29350733580704) is greater than itself. Its abundance is 11012603599264

Bases of 18338129981440

• Binary: 100001010110110101101101110010011000000000000₂
• Hexadecimal: 0x10ADADB93000
• Base-36: 6I0F544CG

Squares and roots of 18338129981440

• 18338129981440 squared (18338129981440²) is 336287011216188614744473600
• 18338129981440 cubed (18338129981440³) is 6166874922752437993531612968710569984000
• The square root of 18338129981440 is 4282304.2840788415
• The cube root of 18338129981440 is 26370.4990620849

Scales and comparisons

• 18,338,129,981,440 seconds is equal to 583,095 years, 42 weeks, 18 hours, 50 minutes, 40 seconds.
• To count from 1 to 18,338,129,981,440 would take you about one million, four hundred fifty-seven thousand, seven hundred thirty-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 18338129981440 cubic inches would be around 2197.5 feet tall.

Recreational maths with 18338129981440

• 18338129981440 backwards is 04418992183381
• The number of decimal digits it has is: 14
• The sum of 18338129981440's digits is 61
• More coming soon!