18900716617728

Names of 18900716617728

• Cardinal: 18900716617728 can be written as Eighteen trillion, nine hundred billion, seven hundred sixteen million, six hundred seventeen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8900716617728 × 10¹³

Factors of 18900716617728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 28
• Sum of prime factors: 2085

Divisors of 18900716617728

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 121 128 132 144 176 192 198 242 256 264 288 352 363 384 396 484 512 528 576 704 726 768 792 968 1024 1056 1089 1152 1408 1452 1536 1584 1936 2048 2069 2112 2178 2304 2816 2904 3072 3168 3872 4096 4138 4224 4356 4608 5632 5808 6144 6207 6336 7744 8192 8276 8448 8712 9216 11264 11616 12288 12414 12672 15488 16384 16552 16896 17424 18432 18621 22528 22759 23232 24576 24828 25344 30976 32768 33104 33792 34848 36864 37242 45056 45518 46464 49152 49656 50688 61952 65536 66208 67584 68277 69696 73728 74484 90112 91036 92928 98304 99312 101376 123904 131072 132416 135168 136554 139392 147456 148968 180224 182072 185856 196608 198624 202752 204831 247808 250349 262144 264832 270336 273108 278784 294912 297936 360448 364144 371712 393216 397248 405504 409662 495616 500698 524288 529664 540672 546216 557568 589824 595872 720896 728288 743424 751047 786432 794496 811008 819324 991232 1001396 1048576 1059328 1081344 1092432 1115136 1179648 1191744 1441792 1456576 1486848 1502094 1572864 1588992 1622016 1638648 1982464 2002792 2097152 2118656 2162688 2184864 2230272 2253141 2359296 2383488 2883584 2913152 2973696 3004188 3145728 3177984 3244032 3277296 3964928 4005584 4194304 4237312 4325376 4369728 4460544 4506282 4718592 4766976 5767168 5826304 5947392 6008376 6291456 6355968 6488064 6554592 7929856 8011168 8388608 8474624 8650752 8739456 8921088 9012564 9437184 9533952 11534336 11652608 11894784 12016752 12582912 12711936 12976128 13109184 15859712 16022336 16949248 17301504 17478912 17842176 18025128 18874368 19067904 23068672 23305216 23789568 24033504 25165824 25423872 25952256 26218368 31719424 32044672 33898496 34603008 34957824 35684352 36050256 37748736 38135808 46137344 46610432 47579136 48067008 50847744 51904512 52436736 63438848 64089344 67796992 69206016 69915648 71368704 72100512 75497472 76271616 92274688 93220864 95158272 96134016 101695488 103809024 104873472 126877696 128178688 135593984 138412032 139831296 142737408 144201024 152543232 186441728 190316544 192268032 203390976 207618048 209746944 253755392 256357376 271187968 276824064 279662592 285474816 288402048 305086464 372883456 380633088 384536064 406781952 415236096 419493888 507510784 512714752 542375936 559325184 570949632 576804096 610172928 745766912 761266176 769072128 813563904 830472192 838987776 1015021568 1025429504 1084751872 1118650368 1141899264 1153608192 1220345856 1491533824 1522532352 1538144256 1627127808 1677975552 2050859008 2169503744 2237300736 2283798528 2307216384 2440691712 2983067648 3045064704 3076288512 3254255616 3355951104 4101718016 4339007488 4474601472 4567597056 4614432768 4881383424 5966135296 6152577024 6508511232 6711902208 8203436032 8678014976 8949202944 9135194112 9228865536 9762766848 11932270592 12305154048 13017022464 13423804416 16406872064 17356029952 17898405888 18457731072 19525533696 23864541184 24610308096 26034044928 26847608832 32813744128 35796811776 36915462144 39051067392 47729082368 49220616192 52068089856 53695217664 65627488256 71593623552 73830924288 78102134784 95458164736 98441232384 107390435328 131254976512 143187247104 147661848576 156204269568 190916329472 196882464768 214780870656 262509953024 286374494208 295323697152 393764929536 429561741312 525019906048 572748988416 590647394304 787529859072 859123482624 1050039812096 1181294788608 1575059718144 1718246965248 2100079624192 2362589577216 3150119436288 4725179154432 6300238872576 9450358308864 18900716617728
• Sum of all divisors σ(n): 60046155801450
• Sum of proper divisors (its aliquot sum) s(n): 41145439183722
• 18900716617728 is an abundant number, because the sum of its proper divisors (41145439183722) is greater than itself. Its abundance is 22244722565994

Bases of 18900716617728

• Binary: 100010011000010101010100000000000000000000000₂
• Hexadecimal: 0x1130AA800000
• Base-36: 6P6VAO740

Squares and roots of 18900716617728

• 18900716617728 squared (18900716617728²) is 357237088663659368083881984
• 18900716617728 cubed (18900716617728³) is 6752036978173997542917891684820794212352
• The square root of 18900716617728 is 4347495.4419444767
• The cube root of 18900716617728 is 26637.4567082073

Scales and comparisons

• 18,900,716,617,728 seconds is equal to 600,984 years, 16 weeks, 6 days, 4 hours, 28 minutes, 48 seconds.
• To count from 1 to 18,900,716,617,728 would take you about one million, five hundred two thousand, four hundred sixty 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 18900716617728 cubic inches would be around 2219.8 feet tall.

Recreational maths with 18900716617728

• 18900716617728 backwards is 82771661700981
• The number of decimal digits it has is: 14
• The sum of 18900716617728's digits is 63
• More coming soon!