1221730531875

Names of 1221730531875

• Cardinal: 1221730531875 can be written as One trillion, two hundred twenty-one billion, seven hundred thirty million, five hundred thirty-one thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 1.221730531875 × 10¹²

Factors of 1221730531875

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 30014

Divisors of 1221730531875

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 7 9 15 17 21 25 35 45 51 61 63 75 85 105 119 125 153 175 183 225 255 305 315 357 375 425 427 525 549 595 625 765 875 915 1037 1071 1125 1275 1281 1525 1575 1785 1875 2125 2135 2625 2745 2975 3111 3825 3843 4375 4575 5185 5355 5625 6375 6405 7259 7625 7875 8925 9333 10625 10675 13125 13725 14875 15555 19125 19215 21777 22875 25925 26775 29921 31875 32025 36295 38125 39375 44625 46665 53375 65331 68625 74375 77775 89763 95625 96075 108885 114375 129625 133875 149605 160125 181475 209447 223125 233325 266875 269289 326655 343125 388875 448815 480375 508657 544425 628341 648125 669375 748025 800625 907375 1047235 1166625 1346445 1525971 1633275 1825181 1885023 1944375 2244075 2401875 2543285 2722125 3141705 3560599 3740125 4536875 4577913 5236175 5475543 5833125 6732225 7629855 8166375 9125905 9425115 10681797 11220375 12716425 12776267 13610625 15708525 16426629 17802995 18700625 22889565 26180875 27377715 31028077 32045391 33661125 38149275 38328801 40831875 45629525 47125575 53408985 56101875 63582125 63881335 78542625 82133145 89014975 93084231 114447825 114986403 130904375 136888575 155140385 160226955 168305625 190746375 191644005 217196539 228147625 235627875 267044925 279252693 317910625 319406675 392713125 410665725 445074875 465421155 572239125 574932015 651589617 684442875 775701925 801134775 953731875 958220025 1085982695 1140738125 1178139375 1335224625 1396263465 1597033375 1954768851 2053328625 2225374375 2327105775 2861195625 2874660075 3257948085 3422214375 3878509625 4005673875 4791100125 5429913475 6676123125 6981317325 7985166875 9773844255 10266643125 11635528875 14373300375 16289740425 19392548125 20028369375 23955500625 27149567375 34906586625 48869221275 58177644375 71866501875 81448702125 135747836875 174532933125 244346106375 407243510625 1221730531875
• Sum of all divisors σ(n): 2712309133248
• Sum of proper divisors (its aliquot sum) s(n): 1490578601373
• 1221730531875 is an abundant number, because the sum of its proper divisors (1490578601373) is greater than itself. Its abundance is 268848069498

Bases of 1221730531875

• Binary: 10001110001110100110100000111101000100011₂
• Hexadecimal: 0x11C74D07A23
• Base-36: FL96TBMR

Squares and roots of 1221730531875

• 1221730531875 squared (1221730531875²) is 1492625492515570391015625
• 1221730531875 cubed (1221730531875³) is 1823586136861231645534521252685546875
• The square root of 1221730531875 is 1105319.1990891139
• The cube root of 1221730531875 is 10690.3471679839

Scales and comparisons

• 1,221,730,531,875 seconds is equal to 38,847 years, 13 weeks, 16 hours, 11 minutes, 15 seconds.
• To count from 1 to 1,221,730,531,875 would take you about ninety-seven thousand, one hundred eighteen 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 1221730531875 cubic inches would be around 890.9 feet tall.

Recreational maths with 1221730531875

• 1221730531875 backwards is 5781350371221
• 1221730531875 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1221730531875's digits is 45
• More coming soon!