1388915222010201018

Names of 1388915222010201018

• Cardinal: 1388915222010201018 can be written as One quintillion, three hundred eighty-eight quadrillion, nine hundred fifteen trillion, two hundred twenty-two billion, ten million, two hundred one thousand and eighteen.

Scientific notation

• Scientific notation: 1.388915222010201018 × 10¹⁸

Factors of 1388915222010201018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 18200768

Divisors of 1388915222010201018

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 49 54 63 81 98 126 147 162 189 294 343 378 441 567 686 882 1029 1134 1323 2058 2646 3087 3969 6174 7938 9261 18522 27783 55566 1496359 2992718 4489077 8978154 10474513 13467231 16704397 20949026 26934462 31423539 33408794 40401693 50113191 62847078 73321591 80803386 94270617 100226382 116930779 121205079 146643182 150339573 188541234 219964773 233861558 242410158 282811851 300679146 350792337 439929546 451018719 513251137 565623702 659894319 701584674 818515453 848435553 902037438 1026502274 1052377011 1319788638 1353056157 1539753411 1637030906 1696871106 1979682957 2104754022 2455546359 2706112314 3079506822 3157131033 3959365914 4619260233 4911092718 5729608171 5939048871 6314262066 7366639077 9238520466 9471393099 11459216342 11878097742 13857780699 14733278154 17188824513 18942786198 22099917231 27715561398 34377649026 41573342097 44199834462 51566473539 66299751693 83146684194 103132947078 132599503386 154699420617 309398841234 464098261851 928196523702 24995774790523 49991549581046 74987324371569 149974648743138 174970423533661 224961973114707 349940847067322 449923946229414 524911270600983 674885919344121 1049822541201966 1224792964735627 1349771838688242 1574733811802949 2024657758032363 2449585929471254 3149467623605898 3674378894206881 4049315516064726 4724201435408847 7348757788413762 8573550753149389 9448402870817694 11023136682620643 14172604306226541 17147101506298778 22046273365241286 25720652259448167 28345208612453082 33069410047861929 51441304518896334 66138820095723858 77161956778344501 99208230143585787 154323913556689002 198416460287171574 231485870335033503 462971740670067006 694457611005100509 1388915222010201018
• Sum of all divisors σ(n): 3629389142333856000
• Sum of proper divisors (its aliquot sum) s(n): 2240473920323654982
• 1388915222010201018 is an abundant number, because the sum of its proper divisors (2240473920323654982) is greater than itself. Its abundance is 851558698313453964

Bases of 1388915222010201018

• Binary: 1001101000110011010110000100100011111000011010000001110111010₂
• Hexadecimal: 0x13466B091F0D03BA
• Base-36: AJVTCSHKJDMI

Squares and roots of 1388915222010201018

• 1388915222010201018 squared (1388915222010201018²) is 1929085493931645982360296052768236324
• 1388915222010201018 cubed (1388915222010201018³) is 2679336207080730368262494287552003731016541656569377832
• The square root of 1388915222010201018 is 1178522474.1218136897
• The cube root of 1388915222010201018 is 1115728.6347293531

Scales and comparisons

• 1,388,915,222,010,201,018 seconds is equal to 44,163,207,863 years, 3 weeks, 2 days, 2 hours, 30 minutes, 18 seconds.
• To count from 1 to 1,388,915,222,010,201,018 would take you about one hundred fifty-four billion, five hundred seventy-one million, two hundred twenty-seven thousand, five hundred twenty 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 1388915222010201018 cubic inches would be around 92977.4 feet tall.

Recreational maths with 1388915222010201018

• 1388915222010201018 backwards is 8101020102225198831
• 1388915222010201018 is a Harshad number.
• The number of decimal digits it has is: 19
• The sum of 1388915222010201018's digits is 54
• More coming soon!