18021269372820

Names of 18021269372820

• Cardinal: 18021269372820 can be written as Eighteen trillion, twenty-one billion, two hundred sixty-nine million, three hundred seventy-two thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.802126937282 × 10¹³

Factors of 18021269372820

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5789

Divisors of 18021269372820

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 43 60 70 84 86 105 129 140 172 210 215 258 281 301 420 430 516 562 602 645 757 843 860 903 1124 1204 1290 1405 1505 1514 1686 1806 1967 2271 2580 2810 3010 3028 3372 3612 3785 3934 4215 4515 4542 4691 5299 5620 5901 6020 7570 7868 8430 9030 9084 9382 9835 10598 11355 11802 12083 14073 15140 15897 16860 18060 18764 19670 21196 22710 23455 23604 24166 26495 28146 29505 31794 32551 32837 36249 39340 45420 46910 48332 52990 56292 59010 60415 63588 65102 65674 70365 72498 79485 84581 93820 97653 98511 105980 118020 120830 130204 131348 140730 144996 158970 162755 164185 169162 181245 195306 197022 201713 212717 227857 241660 253743 281460 317940 325510 328370 338324 362490 390612 394044 403426 422905 425434 455714 488265 492555 507486 605139 638151 651020 656740 683571 724980 806852 845810 850868 911428 976530 985110 1008565 1014972 1063585 1139285 1210278 1268715 1276302 1318171 1367142 1411991 1489019 1691620 1953060 1970220 2017130 2127170 2278570 2420556 2537430 2552604 2636342 2734284 2823982 2978038 3025695 3190755 3417855 3551087 3954513 4034260 4235973 4254340 4467057 4557140 5074860 5272684 5647964 5956076 6051390 6381510 6590855 6835710 7059955 7102174 7445095 7909026 8471946 8934114 9146831 9227197 10653261 12102780 12763020 13181710 13671420 14119910 14204348 14890190 15818052 16943892 17755435 17868228 18293662 18454394 19772565 21179865 21306522 22335285 24857609 26363420 27440493 27681591 28239820 29780380 35510870 36587324 36908788 39545130 42359730 42613044 44670570 45734155 46135985 49715218 53266305 54880986 55363182 56681353 64027817 71021740 74572827 79090260 84719460 89341140 91468310 92271970 99430436 106532610 109761972 110726364 113362706 124288045 128055634 137202465 138407955 149145654 152696741 170044059 182936620 184543940 192083451 213065220 226725412 248576090 256111268 274404930 276815910 283406765 298291308 305393482 320139085 340088118 372864135 384166902 396769471 458090223 497152180 548809860 553631820 566813530 610786964 640278170 680176236 745728270 763483705 768333804 793538942 850220295 916180446 960417255 997855447 1068877187 1133627060 1190308413 1280556340 1491456540 1526967410 1587077884 1700440590 1832360892 1920834510 1983847355 1995710894 2137754374 2290451115 2380616826 2993566341 3053934820 3206631561 3400881180 3841669020 3967694710 3991421788 4275508748 4580902230 4761233652 4989277235 5344385935 5951542065 5987132682 6413263122 6984988129 7935389420 9161804460 9978554470 10688771870 11903084130 11974265364 12826526244 13969976258 14967831705 16033157805 19957108940 20954964387 21377543740 23806168260 27939952516 29935663410 32066315610 34924940645 41909928774 42907784221 59871326820 64132631220 69849881290 83819857548 85815568442 104774821935 128723352663 139699762580 171631136884 209549643870 214538921105 257446705326 300354489547 419099287740 429077842210 514893410652 600708979094 643616763315 858155684420 901063468641 1201417958188 1287233526630 1501772447735 1802126937282 2574467053260 3003544895470 3604253874564 4505317343205 6007089790940 9010634686410 18021269372820
• Sum of all divisors σ(n): 59310046236672
• Sum of proper divisors (its aliquot sum) s(n): 41288776863852
• 18021269372820 is an abundant number, because the sum of its proper divisors (41288776863852) is greater than itself. Its abundance is 23267507491032

Bases of 18021269372820

• Binary: 100000110001111100111010110111111111110010100₂
• Hexadecimal: 0x1063E75BFF94
• Base-36: 6DYUUHLZO

Squares and roots of 18021269372820

• 18021269372820 squared (18021269372820²) is 324766149807740156154752400
• 18021269372820 cubed (18021269372820³) is 5852698268858899607488483646410389768000
• The square root of 18021269372820 is 4245146.5667065019
• The cube root of 18021269372820 is 26217.7323837297

Scales and comparisons

• 18,021,269,372,820 seconds is equal to 573,020 years, 32 weeks, 2 days, 15 hours, 7 minutes.
• To count from 1 to 18,021,269,372,820 would take you about one million, four hundred thirty-two thousand, five hundred fifty-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 18021269372820 cubic inches would be around 2184.8 feet tall.

Recreational maths with 18021269372820

• 18021269372820 backwards is 02827396212081
• The number of decimal digits it has is: 14
• The sum of 18021269372820's digits is 51
• More coming soon!