18012161790720

Names of 18012161790720

• Cardinal: 18012161790720 can be written as Eighteen trillion, twelve billion, one hundred sixty-one million, seven hundred ninety thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.801216179072 × 10¹³

Factors of 18012161790720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 14373

Divisors of 18012161790720

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 32 36 40 45 48 54 60 62 64 72 80 90 93 96 108 120 124 128 135 144 155 160 180 186 192 216 240 248 256 270 279 288 310 320 360 372 384 432 465 480 496 540 558 576 620 640 720 744 768 837 864 930 960 992 1080 1116 1152 1240 1280 1289 1395 1440 1488 1674 1728 1860 1920 1984 2160 2232 2304 2480 2578 2790 2880 2976 3348 3456 3720 3840 3867 3968 4185 4320 4464 4960 5156 5580 5760 5952 6445 6696 6912 7440 7734 7936 8370 8640 8928 9920 10312 11160 11520 11601 11904 12890 13043 13392 14880 15468 16740 17280 17856 19335 19840 20624 22320 23202 23808 25780 26086 26784 29760 30936 33480 34560 34803 35712 38670 39129 39680 39959 41248 44640 46404 51560 52172 53568 58005 59520 61872 65215 66960 69606 71424 77340 78258 79918 82496 89280 92808 103120 104344 107136 116010 117387 119040 119877 123744 130430 133920 139212 154680 156516 159836 164992 174015 178560 185616 195645 199795 206240 208688 214272 232020 234774 239754 247488 260860 267840 278424 309360 313032 319672 329984 348030 352161 357120 359631 371232 391290 399590 404333 412480 417376 464040 469548 479508 494976 521720 535680 556848 586935 599385 618720 626064 639344 696060 704322 719262 742464 782580 799180 808666 824960 834752 928080 939096 959016 989952 1043440 1071360 1078893 1113696 1173870 1198770 1212999 1237440 1252128 1278688 1392120 1408644 1438524 1484928 1565160 1598360 1617332 1649920 1669504 1760805 1798155 1856160 1878192 1918032 2021665 2086880 2157786 2227392 2347740 2397540 2425998 2474880 2504256 2557376 2784240 2817288 2877048 2969856 3130320 3196720 3234664 3339008 3521610 3596310 3638997 3712320 3756384 3836064 4043330 4173760 4315572 4454784 4695480 4795080 4851996 4949760 5008512 5114752 5394465 5568480 5634576 5754096 6064995 6260640 6393440 6469328 7043220 7192620 7277994 7424640 7512768 7672128 8086660 8347520 8631144 8909568 9390960 9590160 9703992 10017024 10229504 10788930 10916991 11136960 11269152 11508192 12129990 12521280 12786880 12938656 14086440 14385240 14555988 14849280 15025536 15344256 16173320 16695040 16812427 17262288 18194985 18781920 19180320 19407984 21577860 21833982 22273920 22538304 23016384 24259980 25042560 25573760 25877312 28172880 28770480 29111976 30051072 30688512 32346640 33624854 34524576 36389970 37563840 38360640 38815968 43155720 43667964 44547840 45076608 46032768 48519960 50085120 50437281 51147520 51754624 54584955 56345760 57540960 58223952 64693280 67249708 69049152 72779940 75127680 76721280 77631936 84062135 86311440 87335928 90153216 92065536 97039920 100874562 103509248 109169910 112691520 115081920 116447904 129386560 134499416 138098304 145559880 150255360 151311843 153442560 155263872 168124270 172622880 174671856 194079840 201749124 218339820 225383040 230163840 232895808 252186405 258773120 268998832 276196608 291119760 302623686 310527744 336248540 345245760 349343712 388159680 403498248 436679640 450766080 453935529 460327680 465791616 504372810 517546240 521185237 537997664 582239520 605247372 672497080 690491520 698687424 756559215 776319360 806996496 873359280 907871058 931583232 1008745620 1042370474 1075995328 1164479040 1210494744 1344994160 1380983040 1397374848 1513118430 1552638720 1563555711 1613992992 1746718560 1815742116 2017491240 2084740948 2151990656 2269677645 2328958080 2420989488 2605926185 2689988320 2794749696 3026236860 3127111422 3227985984 3493437120 3631484232 4034982480 4169481896 4303981312 4539355290 4657916160 4690667133 4841978976 5211852370 5379976640 6052473720 6254222844 6455971968 6986874240 7262968464 7817778555 8069964960 8338963792 9078710580 9381334266 9683957952 10423704740 10759953280 12104947440 12508445688 12911943936 13973748480 14072001399 14525936928 15635557110 16139929920 16677927584 18157421160 18762668532 19367915904 20847409480 21519906560 23453335665 24209894880 25016891376 28144002798 29051873856 31271114220 32279859840 33355855168 36314842320 37525337064 38735831808 41694818960 46906671330 48419789760 50033782752 56288005596 58103747712 62542228440 64559719680 66711710336 70360006995 72629684640 75050674128 83389637920 93813342660 96839579520 100067565504 112576011192 116207495424 125084456880 133423420672 140720013990 145259369280 150101348256 166779275840 187626685320 193679159040 200135131008 225152022384 250168913760 281440027980 290518738560 300202696512 333558551680 375253370640 400270262016 450304044768 500337827520 562880055960 581037477120 600405393024 667117103360 750506741280 900608089536 1000675655040 1125760111920 1200810786048 1501013482560 1801216179072 2001351310080 2251520223840 3002026965120 3602432358144 4503040447680 6004053930240 9006080895360 18012161790720
• Sum of all divisors σ(n): 66036283084800
• Sum of proper divisors (its aliquot sum) s(n): 48024121294080
• 18012161790720 is an abundant number, because the sum of its proper divisors (48024121294080) is greater than itself. Its abundance is 30011959503360

Bases of 18012161790720

• Binary: 100000110000111001000100000010101001100000000₂
• Hexadecimal: 0x1061C8815300
• Base-36: 6DUO82IO0

Squares and roots of 18012161790720

• 18012161790720 squared (18012161790720²) is 324437972375073517078118400
• 18012161790720 cubed (18012161790720³) is 5843829249472970092865449621872181248000
• The square root of 18012161790720 is 4244073.7258817737
• The cube root of 18012161790720 is 26213.3150036995

Scales and comparisons

• 18,012,161,790,720 seconds is equal to 572,731 years, 1 week, 3 days, 19 hours, 12 minutes.
• To count from 1 to 18,012,161,790,720 would take you about one million, four hundred thirty-one thousand, eight hundred twenty-seven 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 18012161790720 cubic inches would be around 2184.4 feet tall.

Recreational maths with 18012161790720

• 18012161790720 backwards is 02709716121081
• 18012161790720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18012161790720's digits is 45
• More coming soon!