18078953099040

Names of 18078953099040

• Cardinal: 18078953099040 can be written as Eighteen trillion, seventy-eight billion, nine hundred fifty-three million, ninety-nine thousand and forty.

Scientific notation

• Scientific notation: 1.807895309904 × 10¹³

Factors of 18078953099040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 19647700

Divisors of 18078953099040

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 71 72 80 81 90 96 108 120 135 142 144 160 162 180 213 216 240 270 284 288 324 355 360 405 426 432 480 540 568 639 648 710 720 810 852 864 1065 1080 1136 1278 1296 1420 1440 1620 1704 1917 2130 2160 2272 2556 2592 2840 3195 3240 3408 3834 4260 4320 5112 5680 5751 6390 6480 6816 7668 8520 9585 10224 11360 11502 12780 12960 15336 17040 19170 20448 23004 25560 28755 30672 34080 38340 46008 51120 57510 61344 76680 92016 102240 115020 153360 184032 230040 306720 460080 920160 19647619 39295238 58942857 78590476 98238095 117885714 157180952 176828571 196476190 235771428 294714285 314361904 353657142 392952380 471542856 530485713 589428570 628723808 707314284 785904760 884142855 943085712 1060971426 1178857140 1394980949 1414628568 1571809520 1591457139 1768285710 1886171424 2121942852 2357714280 2652428565 2789961898 2829257136 3143619040 3182914278 3536571420 4184942847 4243885704 4715428560 5304857130 5579923796 5658514272 6365828556 6974904745 7073142840 7957285695 8369885694 8487771408 9430857120 10609714260 11159847592 12554828541 12731657112 13949809490 14146285680 15914571390 16739771388 16975542816 20924714235 21219428520 22319695184 25109657082 25463314224 27899618980 28292571360 31829142780 33479542776 37664485623 41849428470 42438857040 44639390368 50219314164 50926628448 55799237960 62774142705 63658285560 66959085552 75328971246 83698856940 84877714080 100438628328 111598475920 112993456869 125548285410 127316571120 133918171104 150657942492 167397713880 188322428115 200877256656 223196951840 225986913738 251096570820 254633142240 301315884984 334795427760 376644856230 401754513312 451973827476 502193141640 564967284345 602631769968 669590855520 753289712460 903947654952 1004386283280 1129934568690 1205263539936 1506579424920 1807895309904 2008772566560 2259869137380 3013158849840 3615790619808 4519738274760 6026317699680 9039476549520 18078953099040
• Sum of all divisors σ(n): 64702284736320
• Sum of proper divisors (its aliquot sum) s(n): 46623331637280
• 18078953099040 is an abundant number, because the sum of its proper divisors (46623331637280) is greater than itself. Its abundance is 28544378538240

Bases of 18078953099040

• Binary: 100000111000101010101100100111100111100100000₂
• Hexadecimal: 0x10715593CF20
• Base-36: 6EPCTW200

Squares and roots of 18078953099040

• 18078953099040 squared (18078953099040²) is 326848545157288020048921600
• 18078953099040 cubed (18078953099040³) is 5909079518388067634305316812729995264000
• The square root of 18078953099040 is 4251935.2181142175
• The cube root of 18078953099040 is 26245.6757679583

Scales and comparisons

• 18,078,953,099,040 seconds is equal to 574,854 years, 40 weeks, 6 days, 8 hours, 24 minutes.
• To count from 1 to 18,078,953,099,040 would take you about one million, four hundred thirty-seven thousand, one hundred thirty-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 18078953099040 cubic inches would be around 2187.1 feet tall.

Recreational maths with 18078953099040

• 18078953099040 backwards is 04099035987081
• The number of decimal digits it has is: 14
• The sum of 18078953099040's digits is 63
• More coming soon!