18168706473984

Names of 18168706473984

• Cardinal: 18168706473984 can be written as Eighteen trillion, one hundred sixty-eight billion, seven hundred six million, four hundred seventy-three thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.8168706473984 × 10¹³

Factors of 18168706473984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 140966

Divisors of 18168706473984

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 53 54 64 66 72 88 96 99 106 108 128 132 144 159 176 192 198 212 216 256 264 288 297 318 352 384 396 424 432 477 512 528 576 583 594 636 704 768 792 848 864 954 1024 1056 1152 1166 1188 1272 1408 1431 1536 1584 1696 1728 1749 1908 2048 2112 2304 2332 2376 2544 2816 2862 3072 3168 3392 3456 3498 3816 4096 4224 4608 4664 4752 5088 5247 5632 5724 6144 6336 6784 6912 6996 7632 8192 8448 9216 9328 9504 10176 10494 11264 11448 12288 12672 13568 13824 13992 15264 15741 16896 18432 18656 19008 20352 20988 22528 22896 24576 25344 27136 27648 27984 30528 31482 33792 36864 37312 38016 40704 41976 45056 45792 50688 54272 55296 55968 61056 62964 67584 73728 74624 76032 81408 83952 90112 91584 101376 108544 110592 111936 122112 125928 135168 140897 149248 152064 162816 167904 183168 202752 217088 221184 223872 244224 251856 270336 281794 298496 304128 325632 335808 366336 405504 422691 434176 447744 488448 503712 563588 596992 608256 651264 671616 732672 811008 845382 895488 976896 1007424 1127176 1193984 1216512 1268073 1302528 1343232 1465344 1549867 1690764 1790976 1953792 2014848 2254352 2387968 2433024 2536146 2686464 2930688 3099734 3381528 3581952 3804219 3907584 4029696 4508704 4649601 4775936 5072292 5372928 5861376 6199468 6763056 7163904 7467541 7608438 8059392 9017408 9299202 10144584 10745856 11722752 12398936 13526112 13948803 14327808 14935082 15216876 16118784 18034816 18598404 20289168 21491712 22402623 24797872 27052224 27897606 29870164 30433752 32237568 36069632 37196808 40578336 41846409 42983424 44805246 49595744 54104448 55795212 59740328 60867504 64475136 67207869 72139264 74393616 81156672 82142951 83692818 89610492 99191488 108208896 111590424 119480656 121735008 128950272 134415738 144278528 148787232 162313344 164285902 167385636 179220984 198382976 201623607 216417792 223180848 238961312 243470016 246428853 268831476 288557056 297574464 324626688 328571804 334771272 358441968 396765952 403247214 432835584 446361696 477922624 486940032 492857706 537662952 577114112 595148928 649253376 657143608 669542544 716883936 739286559 793531904 806494428 865671168 892723392 955845248 973880064 985715412 1075325904 1154228224 1190297856 1298506752 1314287216 1339085088 1433767872 1478573118 1587063808 1612988856 1731342336 1785446784 1911690496 1947760128 1971430824 2150651808 2217859677 2380595712 2597013504 2628574432 2678170176 2867535744 2957146236 3174127616 3225977712 3462684672 3570893568 3823380992 3895520256 3942861648 4301303616 4435719354 4761191424 5194027008 5257148864 5356340352 5735071488 5914292472 6348255232 6451955424 7141787136 7646761984 7791040512 7885723296 8602607232 8871438708 9522382848 10388054016 10514297728 10712680704 11470142976 11828584944 12696510464 12903910848 14283574272 15293523968 15582081024 15771446592 17205214464 17742877416 19044765696 21028595456 21425361408 22940285952 23657169888 25807821696 28567148544 30587047936 31164162048 31542893184 34410428928 35485754832 38089531392 42057190912 42850722816 45880571904 47314339776 51615643392 57134297088 61174095872 63085786368 68820857856 70971509664 84114381824 85701445632 91761143808 94628679552 103231286784 114268594176 126171572736 137641715712 141943019328 168228763648 171402891264 183522287616 189257359104 206462573568 252343145472 275283431424 283886038656 336457527296 342805782528 378514718208 412925147136 504686290944 550566862848 567772077312 672915054592 757029436416 825850294272 1009372581888 1135544154624 1514058872832 1651700588544 2018745163776 2271088309248 3028117745664 4542176618496 6056235491328 9084353236992 18168706473984
• Sum of all divisors σ(n): 59831963729280
• Sum of proper divisors (its aliquot sum) s(n): 41663257255296
• 18168706473984 is an abundant number, because the sum of its proper divisors (41663257255296) is greater than itself. Its abundance is 23494550781312

Bases of 18168706473984

• Binary: 100001000011000111011010010111010000000000000₂
• Hexadecimal: 0x10863B4BA000
• Base-36: 6FUL6QDC0

Squares and roots of 18168706473984

• 18168706473984 squared (18168706473984²) is 330101894937788114068832256
• 18168706473984 cubed (18168706473984³) is 5997524435630577105003638481382124027904
• The square root of 18168706473984 is 4262476.5657988079
• The cube root of 18168706473984 is 26289.0365104171

Scales and comparisons

• 18,168,706,473,984 seconds is equal to 577,708 years, 34 weeks, 4 days, 13 hours, 26 minutes, 24 seconds.
• To count from 1 to 18,168,706,473,984 would take you about one million, four hundred forty-four thousand, two hundred seventy-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 18168706473984 cubic inches would be around 2190.8 feet tall.

Recreational maths with 18168706473984

• 18168706473984 backwards is 48937460786181
• 18168706473984 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18168706473984's digits is 72
• More coming soon!