18193039872

Names of 18193039872

• Cardinal: 18193039872 can be written as Eighteen billion, one hundred ninety-three million, thirty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8193039872 × 10¹⁰

Factors of 18193039872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 329

Divisors of 18193039872

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 49 51 56 59 64 68 84 96 98 102 112 118 119 128 136 147 168 177 192 196 204 224 236 238 241 256 272 294 336 354 357 384 392 408 413 448 472 476 482 512 544 588 672 708 714 723 768 784 816 826 833 896 944 952 964 1003 1088 1176 1239 1344 1416 1428 1446 1536 1568 1632 1652 1666 1687 1792 1888 1904 1928 2006 2176 2352 2478 2499 2688 2832 2856 2891 2892 3009 3136 3264 3304 3332 3374 3584 3776 3808 3856 4012 4097 4352 4704 4956 4998 5061 5376 5664 5712 5782 5784 6018 6272 6528 6608 6664 6748 7021 7552 7616 7712 8024 8194 8673 8704 9408 9912 9996 10122 10752 11328 11424 11564 11568 11809 12036 12291 12544 13056 13216 13328 13496 14042 14219 15104 15232 15424 16048 16388 17346 18816 19824 19992 20244 21063 22656 22848 23128 23136 23618 24072 24582 25088 26112 26432 26656 26992 28084 28438 28679 30208 30464 30848 32096 32776 34692 35427 37632 39648 39984 40488 42126 42657 45312 45696 46256 46272 47236 48144 49147 49164 52864 53312 53984 56168 56876 57358 60928 61696 64192 65552 69384 70854 75264 79296 79968 80976 84252 85314 86037 90624 91392 92512 92544 94472 96288 98294 98328 99533 105728 106624 107968 112336 113752 114716 123392 128384 131104 138768 141708 147441 158592 159936 161952 168504 170628 172074 182784 185024 185088 188944 192576 196588 196656 199066 200753 211456 213248 215936 224672 227504 229432 241723 256768 262208 277536 283416 294882 298599 317184 319872 323904 337008 341256 344148 370048 370176 377888 385152 393176 393312 398132 401506 426496 431872 449344 455008 458864 483446 513536 524416 555072 566832 589764 597198 602259 634368 639744 647808 674016 682512 688296 696731 725169 740096 755776 770304 786352 786624 796264 803012 863744 898688 910016 917728 966892 1048832 1110144 1133664 1179528 1194396 1204518 1279488 1295616 1348032 1365024 1376592 1393462 1450338 1480192 1511552 1540608 1572704 1573248 1592528 1606024 1692061 1797376 1820032 1835456 1933784 2090193 2097664 2220288 2267328 2359056 2388792 2409036 2591232 2696064 2730048 2753184 2786924 2900676 3023104 3145408 3146496 3185056 3212048 3384122 3594752 3640064 3670912 3867568 4180386 4440576 4534656 4718112 4777584 4818072 5076183 5392128 5460096 5506368 5573848 5801352 6046208 6290816 6292992 6370112 6424096 6768244 7280128 7341824 7735136 8360772 9069312 9436224 9555168 9636144 10152366 10784256 10920192 11012736 11147696 11602704 11844427 12581632 12740224 12848192 13536488 14683648 15470272 16721544 18138624 18872448 19110336 19272288 20304732 21840384 22025472 22295392 23205408 23688854 25163264 25480448 25696384 27072976 30940544 33443088 35533281 37744896 38220672 38544576 40609464 44050944 44590784 46410816 47377708 50960896 51392768 54145952 61881088 66886176 71066562 75489792 76441344 77089152 81218928 89181568 92821632 94755416 102785536 108291904 123762176 133772352 142133124 152882688 154178304 162437856 178363136 185643264 189510832 216583808 267544704 284266248 308356608 324875712 356726272 371286528 379021664 433167616 535089408 568532496 649751424 758043328 866335232 1070178816 1137064992 1299502848 1516086656 2274129984 2599005696 3032173312 4548259968 6064346624 9096519936 18193039872
• Sum of all divisors σ(n): 60960651840
• Sum of proper divisors (its aliquot sum) s(n): 42767611968
• 18193039872 is an abundant number, because the sum of its proper divisors (42767611968) is greater than itself. Its abundance is 24574572096

Bases of 18193039872

• Binary: 10000111100011000111100001000000000₂
• Hexadecimal: 0x43C63C200
• Base-36: 8CVNZEO

Squares and roots of 18193039872

• 18193039872 squared (18193039872²) is 330986699784181776384
• 18193039872 cubed (18193039872³) is 6021654226275312852649899982848
• The square root of 18193039872 is 134881.5772149777
• The cube root of 18193039872 is 2630.0767600857

Scales and comparisons

• 18,193,039,872 seconds is equal to 578 years, 25 weeks, 14 hours, 11 minutes, 12 seconds.
• To count from 1 to 18,193,039,872 would take you about one thousand, one hundred fifty-six 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 18193039872 cubic inches would be around 219.2 feet tall.

Recreational maths with 18193039872

• 18193039872 backwards is 27893039181
• 18193039872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18193039872's digits is 51
• More coming soon!