18906401800

Names of 18906401800

• Cardinal: 18906401800 can be written as Eighteen billion, nine hundred six million, four hundred one thousand, eight hundred.

Scientific notation

• Scientific notation: 1.89064018 × 10¹⁰

Factors of 18906401800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 483

Divisors of 18906401800

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 11 13 20 22 25 26 40 44 50 52 55 65 88 100 104 110 130 143 169 200 211 220 241 260 275 286 325 338 422 440 482 520 550 572 650 676 715 844 845 964 1055 1100 1144 1205 1300 1352 1430 1688 1690 1859 1928 2110 2200 2321 2410 2600 2651 2743 2860 3133 3380 3575 3718 4220 4225 4642 4820 5275 5302 5486 5720 6025 6266 6760 7150 7436 8440 8450 9284 9295 9640 10550 10604 10972 11605 12050 12532 13255 13715 14300 14872 15665 16900 18568 18590 21100 21208 21944 23210 24100 25064 26510 27430 28600 30173 31330 33800 34463 35659 37180 40729 42200 46420 46475 48200 50851 53020 54860 58025 60346 62660 66275 68575 68926 71318 74360 78325 81458 92840 92950 101702 106040 109720 116050 120692 125320 132550 137150 137852 142636 150865 156650 162916 172315 178295 185900 203404 203645 232100 241384 254255 265100 274300 275704 285272 301730 313300 325832 344630 356590 371800 392249 406808 407290 448019 464200 508510 530200 548600 559361 603460 626600 661063 689260 713180 754325 784498 814580 861575 891475 896038 1017020 1018225 1118722 1206920 1271275 1322126 1378520 1426360 1508650 1568996 1629160 1723150 1782950 1792076 1961245 2034040 2036450 2237444 2240095 2542550 2644252 2796805 3017300 3137992 3305315 3446300 3565900 3584152 3922490 4072900 4474888 4480190 5085100 5288504 5593610 6034600 6610630 6892600 7131800 7271693 7844980 8145800 8593819 8960380 9806225 10170200 11187220 11200475 13221260 13984025 14543386 15689960 16526575 17187638 17920760 19612450 22374440 22400950 26442520 27968050 29086772 33053150 34375276 36358465 39224900 42969095 44801900 55936100 58173544 66106300 68750552 72716930 78449800 85938190 89603800 94532009 111872200 132212600 145433860 171876380 181792325 189064018 214845475 290867720 343752760 363584650 378128036 429690950 472660045 727169300 756256072 859381900 945320090 1454338600 1718763800 1890640180 2363300225 3781280360 4726600450 9453200900 18906401800
• Sum of all divisors σ(n): 52388566560
• Sum of proper divisors (its aliquot sum) s(n): 33482164760
• 18906401800 is an abundant number, because the sum of its proper divisors (33482164760) is greater than itself. Its abundance is 14575762960

Bases of 18906401800

• Binary: 10001100110111010001100110000001000₂
• Hexadecimal: 0x466E8CC08
• Base-36: 8OODSZS

Squares and roots of 18906401800

• 18906401800 squared (18906401800²) is 357452029023043240000
• 18906401800 cubed (18906401800³) is 6758131684934916954213832000000
• The square root of 18906401800 is 137500.5519988919
• The cube root of 18906401800 is 2664.0127217453

Scales and comparisons

• 18,906,401,800 seconds is equal to 601 years, 8 weeks, 4 days, 2 hours, 16 minutes, 40 seconds.
• To count from 1 to 18,906,401,800 would take you about one thousand, two hundred two 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 18906401800 cubic inches would be around 222 feet tall.

Recreational maths with 18906401800

• 18906401800 backwards is 00810460981
• The number of decimal digits it has is: 11
• The sum of 18906401800's digits is 37
• More coming soon!