18005412259920

Names of 18005412259920

• Cardinal: 18005412259920 can be written as Eighteen trillion, five billion, four hundred twelve million, two hundred fifty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.800541225992 × 10¹³

Factors of 18005412259920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6704

Divisors of 18005412259920

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 48 60 62 80 93 120 124 155 186 240 248 310 317 372 465 496 620 634 744 930 951 1240 1268 1488 1585 1613 1860 1902 2480 2536 3170 3226 3720 3804 4733 4755 4839 5072 6340 6452 7440 7608 8065 9466 9510 9678 9827 12680 12904 14199 15216 16130 18932 19020 19356 19654 23665 24195 25360 25808 28398 29481 32260 37864 38040 38712 39308 47330 48390 49135 50003 56796 58962 64520 70995 75728 76080 77424 78616 94660 96780 98270 100006 113592 117924 129040 141990 146723 147405 150009 157232 189320 193560 196540 200012 227184 235848 250015 283980 293446 294810 300018 378640 387120 393080 400024 440169 471696 500030 511321 567960 586892 589620 600036 733615 750045 786160 800048 880338 1000060 1022642 1135920 1173784 1179240 1200072 1467230 1500090 1500361 1533963 1760676 2000120 2045284 2200845 2347568 2358480 2400144 2556605 2934460 3000180 3000722 3067926 3521352 4000240 4090568 4401690 4501083 5113210 5868920 6000360 6001444 6135852 7042704 7501805 7634329 7669815 8181136 8803380 9002166 10226420 11737840 12000720 12002888 12271704 15003610 15268658 15339630 15850951 17606760 18004332 20452840 22505415 22902987 24005776 24543408 30007220 30537316 30679260 31701902 35213520 36008664 38171645 40905680 45010830 45805974 46511191 47552853 60014440 61074632 61358520 63403804 72017328 76343290 79254755 90021660 91611948 93022382 95105706 114514935 120028880 122149264 122717040 126807608 139533573 152686580 158509510 180043320 183223896 186044764 190211412 229029870 232555955 236664199 237764265 253615216 279067146 305373160 317019020 360086640 366447792 372089528 380422824 458059740 465111910 473328398 475528530 558134292 610746320 634038040 697667865 709992597 744179056 760845648 916119480 930223820 946656796 951057060 1116268584 1183320995 1268076080 1395335730 1419985194 1832238960 1860447640 1893313592 1902114120 2232537168 2366641990 2420082293 2790671460 2839970388 3549962985 3720895280 3786627184 3804228240 4733283980 4840164586 5581342920 5679940776 7099925970 7260246879 9466567960 9680329172 11162685840 11359881552 12100411465 14199851940 14520493758 18933135920 19360658344 24200822930 28399703880 29040987516 36301234395 38721316688 48401645860 56799407760 58081975032 72602468790 75022551083 96803291720 116163950064 145204937580 150045102166 193606583440 225067653249 290409875160 300090204332 375112755415 450135306498 580819750320 600180408664 750225510830 900270612996 1125338266245 1200360817328 1500451021660 1800541225992 2250676532490 3000902043320 3601082451984 4501353064980 6001804086640 9002706129960 18005412259920
• Sum of all divisors σ(n): 57847130118144
• Sum of proper divisors (its aliquot sum) s(n): 39841717858224
• 18005412259920 is an abundant number, because the sum of its proper divisors (39841717858224) is greater than itself. Its abundance is 21836305598304

Bases of 18005412259920

• Binary: 100000110000000110110001100111010100001010000₂
• Hexadecimal: 0x10603633A850
• Base-36: 6DRKLKNDC

Squares and roots of 18005412259920

• 18005412259920 squared (18005412259920²) is 324194870649677441638406400
• 18005412259920 cubed (18005412259920³) is 5837262298598880783069622886091391488000
• The square root of 18005412259920 is 4243278.4801283075
• The cube root of 18005412259920 is 26210.0403702765

Scales and comparisons

• 18,005,412,259,920 seconds is equal to 572,516 years, 21 weeks, 4 days, 5 hours, 32 minutes.
• To count from 1 to 18,005,412,259,920 would take you about one million, four hundred thirty-one thousand, two hundred ninety-one 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 18005412259920 cubic inches would be around 2184.2 feet tall.

Recreational maths with 18005412259920

• 18005412259920 backwards is 02995221450081
• 18005412259920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18005412259920's digits is 48
• More coming soon!