18918373222320

Names of 18918373222320

• Cardinal: 18918373222320 can be written as Eighteen trillion, nine hundred eighteen billion, three hundred seventy-three million, two hundred twenty-two thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.891837322232 × 10¹³

Factors of 18918373222320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7113

Divisors of 18918373222320

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 24 26 30 33 39 40 44 48 52 55 60 65 66 78 80 88 104 110 120 121 130 132 143 156 165 176 195 208 220 240 242 260 264 286 312 330 363 390 429 440 484 520 528 572 605 624 660 715 726 780 858 880 968 1040 1144 1210 1320 1430 1452 1560 1573 1716 1815 1936 2145 2288 2420 2640 2860 2904 3120 3146 3432 3630 4290 4719 4840 5720 5808 6292 6864 7079 7260 7865 8580 9438 9680 11440 12584 14158 14520 15730 17160 18876 21237 23595 25168 28316 29040 31460 34320 35395 37752 42474 47190 56632 62920 70790 75504 77869 84948 92027 94380 106185 113264 125840 141580 155738 169896 184054 188760 212370 233607 276081 283160 311476 339792 368108 377520 389345 424740 460135 467214 552162 566320 622952 736216 778690 849480 856559 920270 934428 1012297 1104324 1168035 1245904 1380405 1472432 1557380 1698960 1713118 1840540 1868856 2024594 2208648 2336070 2569677 2760810 3036891 3114760 3426236 3681080 3737712 4049188 4282795 4417296 4672140 5061485 5139354 5521620 6073782 6229520 6852472 7362160 8098376 8565590 9344280 10122970 10278708 11043240 11135267 12147564 12848385 13704944 15184455 16196752 17131180 18688560 20245940 20557416 22086480 22270534 24295128 25696770 30368910 33405801 34262360 40491880 41114832 44541068 48590256 50112241 51393540 55676335 60737820 66811602 68524720 80983760 89082136 100224482 102787080 111352670 121475640 133623204 150336723 167029005 178164272 200448964 205574160 222705340 242951280 250561205 267246408 300673446 334058010 400897928 445410680 501122410 534492816 551234651 601346892 651459133 668116020 751683615 801795856 890821360 1002244820 1102469302 1202693784 1302918266 1336232040 1503367230 1653703953 1954377399 2004489640 2204938604 2405387568 2605836532 2672464080 2756173255 3006734460 3257295665 3307407906 3908754798 4008979280 4409877208 5211673064 5512346510 6013468920 6063581161 6514591330 6614815812 7166050463 7817509596 8268519765 8819754416 9771886995 10423346128 11024693020 12026937840 12127162322 13029182660 13229631624 14332100926 15635019192 16537039530 18190743483 19543773990 21498151389 22049386040 24254324644 26058365320 26459263248 28664201852 30317905805 31270038384 33074079060 35830252315 36381486966 39087547980 42996302778 44098772080 48508649288 52116730640 57328403704 60635811610 66148158120 71660504630 72762973932 78175095960 78826555093 85992605556 90953717415 97017298576 107490756945 114656807408 121271623220 132296316240 143321009260 145525947864 156350191920 157653110186 171985211112 181907434830 214981513890 236479665279 242543246440 286642018520 291051895728 315306220372 343970422224 363814869660 394132775465 429963027780 472959330558 485086492880 573284037040 630612440744 727629739320 788265550930 859926055560 945918661116 1182398326395 1261224881488 1455259478640 1576531101860 1719852111120 1891837322232 2364796652790 3153062203720 3783674644464 4729593305580 6306124407440 9459186611160 18918373222320
• Sum of all divisors σ(n): 69431698722288
• Sum of proper divisors (its aliquot sum) s(n): 50513325499968
• 18918373222320 is an abundant number, because the sum of its proper divisors (50513325499968) is greater than itself. Its abundance is 31594952277648

Bases of 18918373222320

• Binary: 100010011010011000110111010100110011110110000₂
• Hexadecimal: 0x1134C6EA67B0
• Base-36: 6PEZAYIEO

Squares and roots of 18918373222320

• 18918373222320 squared (18918373222320²) is 357904845378994420146182400
• 18918373222320 cubed (18918373222320³) is 6770977442956548029902232656134471168000
• The square root of 18918373222320 is 4349525.6318729747
• The cube root of 18918373222320 is 26645.7488216717

Scales and comparisons

• 18,918,373,222,320 seconds is equal to 601,545 years, 39 weeks, 52 minutes.
• To count from 1 to 18,918,373,222,320 would take you about one million, five hundred three thousand, eight hundred sixty-four 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 18918373222320 cubic inches would be around 2220.5 feet tall.

Recreational maths with 18918373222320

• 18918373222320 backwards is 02322237381981
• The number of decimal digits it has is: 14
• The sum of 18918373222320's digits is 51
• More coming soon!