3998908942556385

Names of 3998908942556385

• Cardinal: 3998908942556385 can be written as Three quadrillion, nine hundred ninety-eight trillion, nine hundred eight billion, nine hundred forty-two million, five hundred fifty-six thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 3.998908942556385 × 10¹⁵

Factors of 3998908942556385

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 16696

Divisors of 3998908942556385

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 11 13 15 33 39 55 65 107 143 165 195 263 321 429 535 715 789 1177 1315 1391 1605 2145 2893 3419 3531 3945 4173 5885 6955 7793 8501 8679 10257 14465 15301 17095 17655 20865 23379 25503 28141 37609 38965 42505 43395 45903 51285 76505 84423 85723 93511 101309 110513 112827 116895 127515 140705 188045 229515 257169 280533 303927 309551 331539 365833 422115 428615 467555 506545 552565 564135 833851 909607 928653 1097499 1114399 1215643 1285845 1402665 1519635 1547755 1657695 1829165 2049559 2235763 2501553 2728821 3343197 3646929 4024163 4169255 4548035 4643265 5487495 5571995 6078215 6148677 6707289 9172361 10005677 10247795 10840063 11178815 11824891 12072489 12507765 13644105 16715985 18234645 20120815 22545149 24593393 26644267 27517083 29064919 30017031 30743385 32520189 33536445 35474673 45861805 50028385 54200315 59124455 60362445 66248293 67635447 73780179 79932801 87194757 112725745 119240693 122966965 130073801 133221335 137585415 145324595 150085155 162600945 177373365 198744879 219302813 239226641 293086937 319714109 331241465 338177235 357722079 368900895 390221403 399664005 435973785 596203465 650369005 657908439 717679923 728731223 861227809 879260811 959142327 993724395 1096514065 1196133205 1465434685 1598570545 1788610395 1951107015 2186193669 2412330943 2583683427 2631493051 2850936569 3109946333 3289542195 3588399615 3643656115 4306139045 4396304055 4795711635 7088567351 7236992829 7894479153 8552809707 9329838999 9473505899 10930968345 12061654715 12918417135 13157465255 14254682845 15549731665 17423301059 21265702053 28420517697 31360302259 34209409663 35442836755 36184964145 39472395765 42764048535 46649194995 47367529495 52269903177 77974240861 87116505295 92151375563 94080906777 102628228989 106328510265 142102588485 156801511295 171047048315 191656311649 226502913767 233922722583 261349515885 276454126689 389871204305 460756877815 470404533885 513141144945 574968934947 679508741301 958281558245 1013665131193 1132514568835 1169613612915 1382270633445 1864293213313 2491532051437 2874844674735 3040995393579 3397543706505 5068325655965 5592879639939 7474596154311 9321466066565 12457660257185 15204976967895 20507225346443 24235811773069 27964398199695 37372980771555 61521676039329 72707435319207 102536126732215 121179058865345 266593929503759 307608380196645 363537176596035 799781788511277 1332969647518795 3998908942556385
• Sum of all divisors σ(n): 7617802482081792
• Sum of proper divisors (its aliquot sum) s(n): 3618893539525407
• 3998908942556385 is a deficient number, because the sum of its proper divisors (3618893539525407) is less than itself. Its deficiency is 380015403030978

Bases of 3998908942556385

• Binary: 1110001101001111110010001011000000101001110011100001₂
• Hexadecimal: 0xE34FC8B029CE1
• Base-36: 13DHTENMMZL

Squares and roots of 3998908942556385

• 3998908942556385 squared (3998908942556385²) is 15991272730857425267698904268225
• 3998908942556385 cubed (3998908942556385³) is 63947643526283821508456000599375573819226366625
• The square root of 3998908942556385 is 63236927.0486508145
• The cube root of 3998908942556385 is 158725.6710032479

Scales and comparisons

• 3,998,908,942,556,385 seconds is equal to 127,152,934 years, 48 weeks, 4 days, 14 hours, 59 minutes, 45 seconds.
• To count from 1 to 3,998,908,942,556,385 would take you about three hundred eighty-one million, four hundred fifty-eight thousand, eight hundred 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 3998908942556385 cubic inches would be around 13227.1 feet tall.

Recreational maths with 3998908942556385

• 3998908942556385 backwards is 5836552498098993
• The number of decimal digits it has is: 16
• The sum of 3998908942556385's digits is 93
• More coming soon!