18490722828551198640

Names of 18490722828551198640

• Cardinal: 18490722828551198640 can be written as Eighteen quintillion, four hundred ninety quadrillion, seven hundred twenty-two trillion, eight hundred twenty-eight billion, five hundred fifty-one million, one hundred ninety-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.849072282855119864 × 10¹⁹

Factors of 18490722828551198640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 22729401555

Divisors of 18490722828551198640

• 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 30 36 40 45 48 60 72 80 90 120 144 180 240 277 360 554 720 831 1108 1385 1662 2216 2493 2770 3324 4079 4155 4432 4986 5540 6648 8158 8310 9972 11080 12237 12465 13296 16316 16620 19944 20395 22160 24474 24930 32632 33240 36711 39888 40790 48948 49860 61185 65264 66480 73422 81580 97896 99720 122370 146844 163160 183555 195792 199440 244740 293688 326320 367110 489480 587376 734220 978960 1129883 1468440 2259766 2936880 3389649 4519532 5649415 6779298 9039064 10168947 11298830 13558596 16948245 18078128 20337894 22597660 27117192 33896490 40675788 45195320 50844735 54234384 67792980 81351576 90390640 101689470 135585960 162703152 203378940 271171920 406757880 813515760 22729397189 45458794378 68188191567 90917588756 113646985945 136376383134 181835177512 204564574701 227293971890 272752766268 340940957835 363670355024 409129149402 454587943780 545505532536 681881915670 818258298804 909175887560 1022822873505 1091011065072 1363763831340 1636516597608 1818351775120 2045645747010 2727527662680 3273033195216 4091291494020 5455055325360 6296043021353 8182582988040 12592086042706 16365165976080 18888129064059 25184172085412 31480215106765 37776258128118 50368344170824 56664387192177 62960430213530 75552516256236 92713211133931 94440645320295 100736688341648 113328774384354 125920860427060 151105032512472 185426422267862 188881290640590 226657548768708 251841720854120 278139633401793 283321935960885 302210065024944 370852844535724 377762581281180 453315097537416 463566055669655 503683441708240 556279266803586 566643871921770 741705689071448 755525162562360 834418900205379 906630195074832 927132111339310 1112558533607172 1133287743843540 1390698167008965 1483411378142896 1511050325124720 1668837800410758 1854264222678620 2225117067214344 2266575487687080 2781396334017930 3337675600821516 3708528445357240 4172094501026895 4450234134428688 4533150975374160 5562792668035860 6675351201643032 7417056890714480 8344189002053790 11125585336071720 13350702403286064 16688378004107580 22251170672143440 25681559484098887 33376756008215160 51363118968197774 66753512016430320 77044678452296661 102726237936395548 128407797420494435 154089356904593322 205452475872791096 231134035356889983 256815594840988870 308178713809186644 385223392261483305 410904951745582192 462268070713779966 513631189681977740 616357427618373288 770446784522966610 924536141427559932 1027262379363955480 1155670176784449915 1232714855236746576 1540893569045933220 1849072282855119864 2054524758727910960 2311340353568899830 3081787138091866440 3698144565710239728 4622680707137799660 6163574276183732880 9245361414275599320 18490722828551198640
• Sum of all divisors σ(n): 62337470171523580800
• Sum of proper divisors (its aliquot sum) s(n): 43846747342972382160
• 18490722828551198640 is an abundant number, because the sum of its proper divisors (43846747342972382160) is greater than itself. Its abundance is 25356024514421183520

Bases of 18490722828551198640

• Binary: 10000000010011100001111100111000111001100000000000001011110110000₂
• Hexadecimal: 0x1009C3E71CC0017B0
• Base-36: 3WHF2738BPFW0

Squares and roots of 18490722828551198640

• 18490722828551198640 squared (18490722828551198640²) is 341906830722304440135124927780737849600
• 18490722828551198640 cubed (18490722828551198640³) is 6322104440074505020073158331815583010705191589696044544000
• The square root of 18490722828551198640 is 4300084049.0101119231
• The cube root of 18490722828551198640 is 2644344.0698989739

Scales and comparisons

• 18,490,722,828,551,198,640 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,490,722,828,551,198,640 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18490722828551198640 cubic inches would be around 220362 feet tall.

Recreational maths with 18490722828551198640

• 18490722828551198640 backwards is 04689115582822709481
• 18490722828551198640 is a Harshad number.
• The number of decimal digits it has is: 20
• The sum of 18490722828551198640's digits is 90
• More coming soon!