399139138340820

Names of 399139138340820

• Cardinal: 399139138340820 can be written as Three hundred ninety-nine trillion, one hundred thirty-nine billion, one hundred thirty-eight million, three hundred forty thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 3.9913913834082 × 10¹⁴

Factors of 399139138340820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3720

Divisors of 399139138340820

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 139 162 180 270 278 324 405 417 540 556 695 810 834 1251 1390 1620 1668 2085 2502 2780 3571 3753 4170 5004 6255 7142 7506 8340 10713 11259 12510 14284 15012 17855 18765 19321 21426 22518 25020 32139 35710 37530 38642 42852 45036 53565 56295 57963 64278 71420 75060 77284 96417 96605 107130 112590 115926 128556 160695 173889 192834 193210 214260 225180 231852 289251 289815 321390 347778 385668 386420 482085 496369 521667 578502 579630 642780 695556 869445 964170 992738 1043334 1157004 1159260 1446255 1489107 1565001 1738890 1928340 1985476 2086668 2481845 2608335 2892510 2978214 3130002 3477780 4467321 4963690 5216670 5785020 5956428 6260004 7445535 7825005 8934642 9927380 10433340 12752041 13401963 14891070 15650010 17869284 22336605 25504082 26803926 29782140 31300020 38256123 40205889 44673210 51008164 53607852 63760205 67009815 68995291 76512246 80411778 89346420 114768369 127520410 134019630 137990582 153024492 160823556 191280615 201029445 206985873 229536738 255040820 268039260 275981164 344305107 344976455 382561230 402058890 413971746 459073476 573841845 620957619 688610214 689952910 765122460 804117780 827943492 1032915321 1034929365 1147683690 1241915238 1377220428 1379905820 1721525535 1772533699 1862872857 2065830642 2069858730 2295367380 2483830476 3104788095 3443051070 3545067398 3725745714 4131661284 4139717460 5164576605 5317601097 5588618571 6209576190 6886102140 7090134796 7451491428 8862668495 9314364285 10329153210 10635202194 11177237142 12419152380 15952803291 17725336990 18628728570 20658306420 21270404388 22354474284 26588005485 27943092855 31905606582 35450673980 37257457140 47858409873 53176010970 55886185710 63811213164 79764016455 95716819746 106352021940 111772371420 143575229619 159528032910 191433639492 239292049365 246382184161 287150459238 319056065820 478584098730 492764368322 574300918476 717876148095 739146552483 957168197460 985528736644 1231910920805 1435752296190 1478293104966 2217439657449 2463821841610 2871504592380 2956586209932 3695732762415 4434879314898 4927643683220 6652318972347 7391465524830 8869758629796 11087198287245 13304637944694 14782931049660 19956956917041 22174396574490 26609275889388 33261594861735 39913913834082 44348793148980 66523189723470 79827827668164 99784784585205 133046379446940 199569569170410 399139138340820
• Sum of all divisors σ(n): 1261540355701626
• Sum of proper divisors (its aliquot sum) s(n): 862401217360806
• 399139138340820 is an abundant number, because the sum of its proper divisors (862401217360806) is greater than itself. Its abundance is 463262079019986

Bases of 399139138340820

• Binary: 1011010110000001111010010100011101000011111010100₂
• Hexadecimal: 0x16B03D28E87D4
• Base-36: 3XHDZLI190

Squares and roots of 399139138340820

• 399139138340820 squared (399139138340820²) is 159312051755452246142478272400
• 399139138340820 cubed (399139138340820³) is 63587675064979329804765837359744635999368000
• The square root of 399139138340820 is 19978466.8666246761
• The cube root of 399139138340820 is 73627.7346505381

Scales and comparisons

• 399,139,138,340,820 seconds is equal to 12,691,389 years, 51 weeks, 27 minutes.
• To count from 1 to 399,139,138,340,820 would take you about thirty-one million, seven hundred twenty-eight thousand, four hundred seventy-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 399139138340820 cubic inches would be around 6135.6 feet tall.

Recreational maths with 399139138340820

• 399139138340820 backwards is 028043831931993
• The number of decimal digits it has is: 15
• The sum of 399139138340820's digits is 63
• More coming soon!