18218642003172

Names of 18218642003172

• Cardinal: 18218642003172 can be written as Eighteen trillion, two hundred eighteen billion, six hundred forty-two million, three thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.8218642003172 × 10¹³

Factors of 18218642003172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 10547

Divisors of 18218642003172

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 9 12 13 17 18 26 27 34 36 39 51 52 53 54 68 78 81 102 106 108 117 153 156 159 162 204 212 221 234 243 289 306 318 324 351 442 459 468 477 486 578 612 636 663 689 702 729 867 884 901 918 954 972 1053 1156 1326 1377 1378 1404 1431 1458 1734 1802 1836 1908 1989 2067 2106 2187 2601 2652 2703 2754 2756 2862 2916 3159 3468 3604 3757 3978 4131 4134 4212 4293 4374 5202 5406 5508 5724 5967 6201 6318 7514 7803 7956 8109 8262 8268 8586 8748 9477 10404 10459 10812 11271 11713 11934 12393 12402 12636 12879 15028 15317 15606 16218 16524 17172 17901 18603 18954 20918 22542 23409 23426 23868 24327 24786 24804 25758 28431 30634 31212 31377 32436 33813 35139 35802 37179 37206 37908 38637 41836 45084 45951 46818 46852 48654 49572 51516 53703 55809 56862 61268 62754 67626 70227 70278 71604 72981 74358 74412 77274 91902 93636 94131 97308 101439 105417 107406 111618 113724 115911 125508 135252 135967 137853 140454 140556 145962 148716 154548 161109 167427 177803 183804 188262 199121 202878 210681 210834 214812 218943 223236 231822 271934 275706 280908 282393 291924 304317 316251 322218 334854 355606 376524 398242 405756 407901 413559 421362 421668 437886 463644 483327 502281 533409 543868 551412 554327 564786 597363 608634 632043 632502 644436 656829 669708 711212 796484 815802 827118 842724 847179 875772 912951 948753 966654 1004562 1066818 1108654 1129572 1194726 1217268 1223703 1240677 1264086 1265004 1313658 1506843 1600227 1631604 1654236 1662981 1694358 1792089 1825902 1897506 1933308 1970487 2009124 2133636 2217308 2311439 2389452 2447406 2481354 2528172 2541537 2627316 2738853 2846259 3013686 3022651 3200454 3325962 3388716 3584178 3651804 3671109 3722031 3795012 3940974 4622878 4800681 4894812 4962708 4988943 5083074 5376267 5477706 5692518 6027372 6045302 6400908 6651924 6934317 7168356 7206251 7342218 7444062 7624611 7881948 8216559 8538777 9067953 9245756 9423559 9601362 9977886 10166148 10752534 10955412 11013327 11166093 11385036 12090604 13868634 14402043 14412502 14684436 14888124 14966829 15249222 16128801 16433118 17077554 18135906 18847118 19202724 19955772 20802951 21505068 21618753 22026654 22332186 22873833 25616331 27203859 27737268 28270677 28804086 28825004 29933658 30498444 32257602 32866236 33039981 33498279 34155108 36271812 37694236 39294463 41605902 43206129 43237506 44053308 44664372 44900487 45747666 48386403 51232662 54407718 56541354 57608172 59867316 62408853 64515204 64856259 66079962 66996558 78588926 81611577 83211804 84812031 86412258 86475012 89800974 91495332 96772806 99119943 102465324 108815436 113082708 117883389 122506267 124817706 129618387 129712518 132159924 133993116 134701461 145159209 157177852 160200503 163223154 169624062 172824516 179601948 187226559 193545612 194568777 198239886 235766778 244834731 245012534 249635412 254436093 259236774 259425036 269402922 290318418 297359829 320401006 326446308 339248124 353650167 367518801 374453118 388855161 389137554 396479772 404104383 435477627 471533556 480601509 489669462 490025068 508872186 518473548 538805844 561679677 580636836 583706331 594719658 640802012 707300334 734504193 735037602 748906236 763308279 777710322 778275108 808208766 870955254 961203018 979338924 1017744372 1060950501 1102556403 1123359354 1167412662 1189439316 1212313149 1414600668 1441804527 1469008386 1470075204 1526616558 1555420644 1616417532 1685039031 1741910508 1751118993 1922406036 2082606539 2121901002 2203512579 2205112806 2246718708 2289924837 2334825324 2424626298 2883609054 2938016772 3053233116 3182851503 3307669209 3370078062 3502237986 4165213078 4243802004 4325413581 4407025158 4410225612 4579849674 4849252596 5055117093 5253356979 5767218108 6247819617 6365703006 6610537737 6615338418 6740156124 6869774511 7004475972 8330426156 8650827162 8814050316 9159699348 9548554509 9923007627 10110234186 10506713958 12495639234 12731406012 12976240743 13221075474 13230676836 13739549022 15760070937 17301654324 18743458851 19097109018 19846015254 20220468372 20609323533 21013427916 24991278468 25952481486 26442150948 27479098044 28645663527 29769022881 31520141874 37486917702 38194218036 38928722229 39692030508 41218647066 51904962972 56230376553 57291327054 59538045762 63040283748 74973835404 77857444458 82437294132 85936990581 89307068643 112460753106 114582654108 116786166687 119076091524 155714888916 168691129659 171873981162 178614137286 224921506212 233572333374 267921205929 337382259318 343747962324 350358500061 357228274572 467144666748 506073388977 535842411858 674764518636 700717000122 1012146777954 1071684823716 1401434000244 1518220166931 2024293555908 3036440333862 4554660500793 6072880667724 9109321001586 18218642003172
• Sum of all divisors σ(n): 55739586067200
• Sum of proper divisors (its aliquot sum) s(n): 37520944064028
• 18218642003172 is an abundant number, because the sum of its proper divisors (37520944064028) is greater than itself. Its abundance is 19302302060856

Bases of 18218642003172

• Binary: 100001001000111011011101011110101010011100100₂
• Hexadecimal: 0x1091DBAF54E4
• Base-36: 6GHJ12290

Squares and roots of 18218642003172

• 18218642003172 squared (18218642003172²) is 331918916439743064858061584
• 18218642003172 cubed (18218642003172³) is 6047111912696440273578669814578699344448
• The square root of 18218642003172 is 4268330.1188136795
• The cube root of 18218642003172 is 26313.0990582689

Scales and comparisons

• 18,218,642,003,172 seconds is equal to 579,296 years, 24 weeks, 1 hour, 46 minutes, 12 seconds.
• To count from 1 to 18,218,642,003,172 would take you about one million, four hundred forty-eight thousand, two hundred forty-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 18218642003172 cubic inches would be around 2192.8 feet tall.

Recreational maths with 18218642003172

• 18218642003172 backwards is 27130024681281
• The number of decimal digits it has is: 14
• The sum of 18218642003172's digits is 45
• More coming soon!