18045172464473440

Names of 18045172464473440

• Cardinal: 18045172464473440 can be written as Eighteen quadrillion, forty-five trillion, one hundred seventy-two billion, four hundred sixty-four million, four hundred seventy-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.804517246447344 × 10¹⁶

Factors of 18045172464473440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1804814

Divisors of 18045172464473440

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 17 20 22 26 32 34 40 44 52 55 65 68 80 85 88 104 110 130 136 143 160 170 176 187 208 220 221 260 272 286 340 352 374 416 440 442 520 544 572 680 715 748 880 884 935 1040 1105 1144 1360 1430 1496 1760 1768 1870 2080 2210 2288 2431 2720 2860 2992 3536 3740 4420 4576 4862 5720 5984 7072 7480 8840 9724 11440 12155 14960 17680 19448 22880 24310 26083 29920 35360 38896 48620 52166 77792 97240 104332 130415 194480 208664 260830 286913 339079 388960 417328 443411 521660 573826 678158 834656 886822 1043320 1147652 1356316 1434565 1695395 1773644 1778683 2086640 2217055 2295304 2712632 2869130 3390790 3547288 3557366 3729869 4173280 4434110 4590608 4877521 5425264 5738260 5764343 6781580 7094576 7114732 7459738 8868220 8893415 9181216 9755042 10850528 11476520 11528686 13563160 14189152 14229464 14919476 17736440 17786830 18649345 19510084 19565513 22953040 23057372 23122879 24387605 27126320 28458928 28821715 29838952 30237611 35472880 35573660 37298690 39020168 39131026 45906080 46114744 46245758 48775210 54252640 56917856 57643430 59677904 60475222 63407773 70945760 71147320 74597380 78040336 78262052 92229488 92491516 97550420 97827565 115286860 115614395 119355808 120950444 126815546 142294640 149194760 151188055 156080672 156524104 184458976 184983032 195100840 195655130 230573720 231228790 241900888 253631092 254351669 284589280 298389520 302376110 313048208 317038865 332613721 369966064 390201680 391310260 393088943 461147440 462457580 483801776 507262184 508703338 596779040 604752220 626096416 634077730 665227442 739932128 780403360 782620520 786177886 922294880 924915160 967603552 1014524368 1017406676 1209504440 1268155460 1271758345 1330454884 1565241040 1572355772 1663068605 1849830320 1965444715 2029048736 2034813352 2419008880 2536310920 2543516690 2660909768 3130482080 3144711544 3326137210 3699660640 3930889430 4069626704 4323978373 4838017760 5072621840 5087033380 5321819536 6289423088 6652274420 7861778860 8139253408 8647956746 10145243680 10174066760 10643639072 12578846176 13304548840 15723557720 17295913492 20348133520 21619891865 26609097680 31447115440 34591826984 40696267040 43239783730 46393388689 53218195360 62894230880 69183653968 86479567460 92786777378 138367307936 172959134920 185573554756 231966943445 345918269840 371147109512 463933886890 510327275579 603114052957 691836539680 742294219024 788687607713 927867773780 1020654551158 1206228105914 1484588438048 1577375215426 1855735547560 2041309102316 2412456211828 2551636377895 3015570264785 3154750430852 3711471095120 3943438038565 4082618204632 4824912423656 5103272755790 6031140529570 6309500861704 6634254582527 7422942190240 7886876077130 8165236409264 8675563684843 9649824847312 10206545511580 10252938900269 12062281059140 12619001723408 13268509165054 15773752154260 16330472818528 17351127369686 19299649694624 20413091023160 20505877800538 24124562118280 25238003446816 26537018330108 31547504308520 33171272912635 34702254739372 40826182046320 41011755601076 43377818424215 48249124236560 51264694501345 53074036660216 63095008617040 66342545825270 69404509478744 81652364092640 82023511202152 86755636848430 96498248473120 102529389002690 106148073320432 112782327902959 126190017234080 132685091650540 138809018957488 164047022404304 173511273696860 205058778005380 212296146640864 225564655805918 265370183301080 277618037914976 328094044808608 347022547393720 410117556010760 451129311611836 530740366602160 563911639514795 694045094787440 820235112021520 902258623223672 1061480733204320 1127823279029590 1388090189574880 1640470224043040 1804517246447344 2255646558059180 3609034492894688 4511293116118360 9022586232236720 18045172464473440
• Sum of all divisors σ(n): 53033046574136832
• Sum of proper divisors (its aliquot sum) s(n): 34987874109663392
• 18045172464473440 is an abundant number, because the sum of its proper divisors (34987874109663392) is greater than itself. Its abundance is 16942701645189952

Bases of 18045172464473440

• Binary: 1000000000110111111110100011110101001111101010101100000₂
• Hexadecimal: 0x401BFD1EA7D560
• Base-36: 4XOH9SCSUHS

Squares and roots of 18045172464473440

• 18045172464473440 squared (18045172464473440²) is 325628249272590444198936465433600
• 18045172464473440 cubed (18045172464473440³) is 5876017917428442551943792064029431020585283584000
• The square root of 18045172464473440 is 134332320.9971205701
• The cube root of 18045172464473440 is 262293.1884075785

Scales and comparisons

• 18,045,172,464,473,440 seconds is equal to 573,780,666 years, 51 weeks, 2 days, 6 hours, 10 minutes, 40 seconds.
• To count from 1 to 18,045,172,464,473,440 would take you about one billion, seven hundred twenty-one million, three hundred forty-two thousand 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 18045172464473440 cubic inches would be around 21857.8 feet tall.

Recreational maths with 18045172464473440

• 18045172464473440 backwards is 04437446427154081
• The number of decimal digits it has is: 17
• The sum of 18045172464473440's digits is 64
• More coming soon!