3891938742380

Names of 3891938742380

• Cardinal: 3891938742380 can be written as Three trillion, eight hundred ninety-one billion, nine hundred thirty-eight million, seven hundred forty-two thousand, three hundred eighty.

Scientific notation

• Scientific notation: 3.89193874238 × 10¹²

Factors of 3891938742380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8334

Divisors of 3891938742380

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 10 13 20 26 29 41 52 53 58 65 82 106 116 130 145 164 205 212 260 265 290 377 410 530 533 580 689 754 820 841 1060 1066 1189 1378 1508 1537 1682 1885 2132 2173 2378 2665 2756 3074 3364 3445 3770 4205 4346 4756 5330 5945 6148 6890 7540 7685 8191 8410 8692 10660 10865 10933 11890 13780 15370 15457 16382 16820 19981 21730 21866 23780 28249 30740 30914 32764 34481 39962 40955 43460 43732 44573 54665 56498 61828 63017 68962 77285 79924 81910 89146 99905 106483 109330 112996 126034 137924 141245 154570 163820 172405 178292 199810 212966 218660 222865 237539 252068 282490 309140 315085 335831 344810 399620 425932 434123 445730 448253 475078 532415 564980 579449 630170 671662 689620 819221 868246 891460 896506 950156 1064830 1158898 1187695 1260340 1343324 1638442 1679155 1736492 1793012 1827493 2129660 2170615 2241265 2317796 2375390 2897245 3088007 3276884 3358310 3654986 4096105 4341230 4365803 4482530 4750780 5643599 5794490 6176014 6716620 6888631 7309972 8192210 8682460 8731606 8965060 9137465 9739099 11287198 11588980 12352028 12589567 13777262 15440035 16384420 17463212 17799043 18274930 19478198 21829015 22574396 23757409 25179134 27554524 28217995 30880070 34443155 35598086 36549860 38956396 43658030 47514818 48695495 50358268 56435990 61760140 62947835 68886310 71196172 87316060 88995215 89552203 95029636 97390990 112871980 118787045 125895670 126608287 137772620 163664371 177990430 179104406 194781980 231387559 237574090 251791340 253216574 282433871 327328742 355980860 358208812 365097443 447761015 462775118 475148180 506433148 516172247 564867742 633041435 654657484 730194886 818321855 895522030 925550236 1032344494 1129735484 1156937795 1266082870 1412169355 1460389772 1636643710 1791044060 1825487215 2064688988 2313875590 2532165740 2580861235 2824338710 3273287420 3650974430 3671640323 4627751180 4746266759 5161722470 5648677420 6710239211 7301948860 7343280646 9492533518 10323444940 13420478422 14686561292 14968995163 18358201615 18985067036 23731333795 26840956844 29937990326 33551196055 36716403230 47462667590 59875980652 67102392110 73432806460 74844975815 94925335180 134204784220 149689951630 194596937119 299379903260 389193874238 778387748476 972984685595 1945969371190 3891938742380
• Sum of all divisors σ(n): 9515431231488
• Sum of proper divisors (its aliquot sum) s(n): 5623492489108
• 3891938742380 is an abundant number, because the sum of its proper divisors (5623492489108) is greater than itself. Its abundance is 1731553746728

Bases of 3891938742380

• Binary: 111000101000101001101000000101000001101100₂
• Hexadecimal: 0x38A29A0506C
• Base-36: 1DNXJU92K

Squares and roots of 3891938742380

• 3891938742380 squared (3891938742380²) is 15147187174438416008064400
• 3891938742380 cubed (3891938742380³) is 58951924602278314481185420874049272000
• The square root of 3891938742380 is 1972799.7218116185
• The cube root of 3891938742380 is 15729.7564627031

Scales and comparisons

• 3,891,938,742,380 seconds is equal to 123,751 years, 31 weeks, 6 days, 7 hours, 6 minutes, 20 seconds.
• To count from 1 to 3,891,938,742,380 would take you about three hundred nine thousand, three hundred seventy-nine 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 3891938742380 cubic inches would be around 1310.8 feet tall.

Recreational maths with 3891938742380

• 3891938742380 backwards is 0832478391983
• 3891938742380 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3891938742380's digits is 65
• More coming soon!