18009044617920

Names of 18009044617920

• Cardinal: 18009044617920 can be written as Eighteen trillion, nine billion, forty-four million, six hundred seventeen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.800904461792 × 10¹³

Factors of 18009044617920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 827

Divisors of 18009044617920

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 136 157 160 170 192 204 240 255 272 289 314 320 340 408 471 480 510 544 578 628 643 680 785 816 867 942 960 1020 1088 1156 1256 1286 1360 1445 1570 1632 1734 1884 1929 2040 2312 2355 2512 2572 2669 2720 2890 3140 3215 3264 3468 3768 3858 4080 4335 4624 4710 5024 5144 5338 5440 5780 6280 6430 6936 7536 7716 8007 8160 8670 9248 9420 9645 10048 10288 10676 10931 11560 12560 12860 13345 13872 15072 15432 16014 16320 17340 18496 18840 19290 20576 21352 21862 23120 25120 25720 26690 27744 30144 30864 32028 32793 34680 37680 38580 40035 41152 42704 43724 45373 46240 50240 51440 53380 54655 55488 61728 64056 65586 69360 75360 77160 80070 85408 87448 90746 92480 100951 102880 106760 109310 123456 128112 131172 136119 138720 150720 154320 160140 163965 170816 174896 181492 185827 201902 205760 213520 218620 226865 256224 262344 272238 277440 302853 308640 320280 327930 349792 362984 371654 403804 413449 427040 437240 453730 504755 512448 524688 544476 557481 605706 617280 640560 655860 680595 699584 725968 743308 807608 826898 854080 874480 907460 929135 1009510 1049376 1088952 1114962 1211412 1240347 1281120 1311720 1361190 1451936 1486616 1514265 1615216 1653796 1716167 1748960 1814920 1858270 2019020 2067245 2098752 2177904 2229924 2422824 2480694 2562240 2623440 2722380 2787405 2903872 2973232 3028530 3230432 3307592 3432334 3497920 3629840 3716540 4038040 4134490 4355808 4459848 4845648 4961388 5148501 5246880 5444760 5574810 5946464 6057060 6201735 6460864 6615184 6864668 7028633 7259680 7433080 8076080 8268980 8580835 8711616 8919696 9691296 9922776 10297002 10493760 10889520 11149620 11892928 12114120 12403470 13230368 13729336 14057266 14519360 14866160 16152160 16537960 17161670 17839392 19382592 19845552 20594004 21085899 21779040 22299240 24228240 24806940 25742505 26460736 27458672 28114532 29174839 29732320 32304320 33075920 34323340 35143165 35678784 39691104 41188008 42171798 43558080 44598480 48456480 49613880 51485010 54917344 56229064 58349678 59464640 64911493 66151840 68646680 70286330 79382208 82376016 84343596 87524517 89196960 96912960 99227760 102970020 105429495 109834688 112458128 116699356 119486761 129822986 132303680 137293360 140572660 145874195 164752032 168687192 175049034 178393920 194734479 198455520 205940040 210858990 224916256 233398712 238973522 259645972 274586720 281145320 291748390 324557465 329504064 337374384 350098068 358460283 389468958 396911040 411880080 421717980 437622585 449832512 466797424 477947044 519291944 549173440 562290640 583496780 597433805 649114930 674748768 700196136 716920566 778937916 823760160 843435960 875245170 933594848 955894088 973672395 1038583888 1103495381 1124581280 1166993560 1194867610 1298229860 1349497536 1400392272 1433841132 1557875832 1647520320 1686871920 1750490340 1792301415 1867189696 1911788176 1947344790 2077167776 2206990762 2249162560 2333987120 2389735220 2596459720 2800784544 2867682264 3115751664 3310486143 3373743840 3500980680 3584602830 3823576352 3894689580 4154335552 4413981524 4667974240 4779470440 5192919440 5517476905 5601569088 5735364528 6231503328 6620972286 6747487680 7001961360 7169205660 7647152704 7789379160 8827963048 9335948480 9558940880 10385838880 11034953810 11470729056 12463006656 13241944572 14003922720 14338411320 15578758320 16552430715 17655926096 18759421477 19117881760 20771677760 22069907620 22941458112 26483889144 28007845440 28676822640 31157516640 33104861430 35311852192 37518842954 38235763520 44139815240 52967778288 56278264431 57353645280 62315033280 66209722860 70623704384 75037685908 88279630480 93797107385 105935556576 112556528862 114707290560 132419445720 150075371816 176559260960 187594214770 211871113152 225113057724 264838891440 281391322155 300150743632 353118521920 375188429540 450226115448 529677782880 562782644310 600301487264 750376859080 900452230896 1059355565760 1125565288620 1200602974528 1500753718160 1800904461792 2251130577240 3001507436320 3601808923584 4502261154480 6003014872640 9004522308960 18009044617920
• Sum of all divisors σ(n): 61222112936784
• Sum of proper divisors (its aliquot sum) s(n): 43213068318864
• 18009044617920 is an abundant number, because the sum of its proper divisors (43213068318864) is greater than itself. Its abundance is 25204023700944

Bases of 18009044617920

• Binary: 100000110000100001110101101010000101011000000₂
• Hexadecimal: 0x10610EB50AC0
• Base-36: 6DT8O6OQO

Squares and roots of 18009044617920

• 18009044617920 squared (18009044617920²) is 324325688050233318785126400
• 18009044617920 cubed (18009044617920³) is 5840795786834255208267540226866905088000
• The square root of 18009044617920 is 4243706.4716966465
• The cube root of 18009044617920 is 26211.8027634777

Scales and comparisons

• 18,009,044,617,920 seconds is equal to 572,631 years, 47 weeks, 3 days, 9 hours, 52 minutes.
• To count from 1 to 18,009,044,617,920 would take you about one million, four hundred thirty-one thousand, five hundred seventy-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 18009044617920 cubic inches would be around 2184.3 feet tall.

Recreational maths with 18009044617920

• 18009044617920 backwards is 02971644090081
• 18009044617920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18009044617920's digits is 51
• More coming soon!