2138811856440

Names of 2138811856440

• Cardinal: 2138811856440 can be written as Two trillion, one hundred thirty-eight billion, eight hundred eleven million, eight hundred fifty-six thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.13881185644 × 10¹²

Factors of 2138811856440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 936

Divisors of 2138811856440

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 41 42 49 56 60 70 82 84 98 105 120 123 140 147 164 168 196 205 210 245 246 280 287 294 328 331 343 392 410 420 490 492 547 574 588 615 662 686 735 820 840 861 980 984 993 1029 1094 1148 1176 1230 1324 1372 1435 1470 1640 1641 1655 1715 1722 1960 1986 2009 2058 2188 2296 2317 2401 2460 2648 2735 2744 2870 2940 3282 3310 3430 3444 3829 3972 4018 4116 4305 4376 4634 4802 4920 4965 5145 5470 5740 5880 6027 6564 6620 6860 6888 6951 7203 7658 7944 8036 8205 8232 8610 9268 9604 9930 10045 10290 10940 11480 11487 11585 12005 12054 13128 13240 13571 13720 13902 14063 14406 15316 16072 16219 16410 17220 18536 19145 19208 19860 20090 20580 21880 22427 22974 23170 24010 24108 26803 27142 27804 28126 28812 30135 30632 32438 32820 34440 34755 36015 38290 39720 40180 40713 41160 42189 44854 45948 46340 48020 48216 48657 53606 54284 55608 56252 57435 57624 60270 64876 65640 67281 67855 69510 70315 72030 76580 80360 80409 81095 81426 84378 89708 91896 92680 94997 96040 97314 98441 107212 108568 112135 112504 113533 114870 120540 129752 134015 134562 135710 139020 140630 144060 153160 156989 160818 162190 162852 168756 179416 181057 187621 189994 194628 196882 203565 210945 214424 224270 227066 229740 241080 243285 268030 269124 271420 278040 281260 284991 288120 295323 313978 321636 324380 325704 336405 337512 340599 362114 375242 379988 389256 393764 402045 407130 421890 448540 454132 459480 470967 474985 486570 492205 536060 538248 542840 543171 562520 562863 567665 569982 590646 627956 643272 648760 664979 672810 681198 724228 750484 759976 784945 787528 794731 804090 814260 843780 897080 905285 908264 938105 941934 949970 973140 984410 1072120 1086342 1098923 1125726 1135330 1139964 1181292 1255912 1267399 1313347 1329958 1345620 1362396 1424955 1448456 1476615 1500968 1569890 1589462 1608180 1628520 1687560 1702995 1810570 1876210 1883868 1899940 1946280 1968820 1994937 2172684 2197846 2251452 2270660 2279928 2354835 2362584 2384193 2534798 2626694 2659916 2691240 2715855 2724792 2814315 2849910 2953230 3139780 3178924 3216360 3296769 3324895 3405990 3621140 3752420 3767736 3799880 3802197 3937640 3940041 3973655 3989874 4345368 4395692 4502904 4541320 4654853 4709670 4768386 5069596 5253388 5319832 5431710 5494615 5628630 5699820 5906460 6279560 6336995 6357848 6566735 6593538 6649790 6811980 7242280 7423337 7504840 7604394 7692461 7880082 7947310 7979748 8791384 8871793 9309706 9419340 9536772 9974685 10139192 10506776 10863420 10989230 11257260 11399640 11812920 11920965 12673990 13133470 13187076 13299580 13623960 13964559 14846674 15208788 15384922 15760164 15894620 15959496 16483845 17743586 18619412 18838680 19010985 19073544 19700205 19949370 21726840 21978460 22270011 22514520 23077383 23274265 23841930 25347980 26266940 26374152 26599160 26615379 27929118 29693348 30417576 30769844 31520328 31789240 32583971 32967690 35487172 37116685 37238824 38021970 38462305 39400410 39898740 43956920 44358965 44540022 46154766 46548530 47683860 50695960 51963359 52533880 53230758 53847227 55858236 59386696 61539688 62102551 65167942 65935380 69822795 70974344 74233370 76043940 76924610 78800820 79797480 88717930 89080044 92309532 93097060 95367720 97751913 103926718 106461516 107694454 111350055 111716472 115386915 124205102 130335884 131870760 133076895 139645590 148466740 152087880 153849220 155890077 157601640 161541681 162919855 177435860 178160088 184619064 186194120 186307653 195503826 207853436 212923032 215388908 222700110 230773830 248410204 259816795 260671768 266153790 269236135 279291180 296933480 307698440 310512755 311780154 323083362 325839710 354871720 363743513 372615306 391007652 415706872 430777816 434717857 445400220 461547660 488759565 496820408 519633590 532307580 538472270 558582360 621025510 623560308 646166724 651679420 727487026 745230612 779450385 782015304 807708405 869435714 890800440 923095320 931538265 977519130 1039267180 1064615160 1076944540 1091230539 1242051020 1247120616 1292333448 1303358840 1304153571 1454974052 1490461224 1558900770 1615416810 1738871428 1818717565 1863076530 1955038260 2078534360 2153889080 2173589285 2182461078 2484102040 2546204591 2608307142 2909948104 3117801540 3230833620 3477742856 3637435130 3726153060 3910076520 4347178570 4364922156 5092409182 5216614284 5456152695 6235603080 6461667240 6520767855 7274870260 7452306120 7638613773 8694357140 8729844312 10184818364 10433228568 10912305390 12731022955 13041535710 14549740520 15277227546 17388714280 17823432137 20369636728 21824610780 25462045910 26083071420 30554455092 35646864274 38193068865 43649221560 50924091820 52166142840 53470296411 61108910184 71293728548 76386137730 89117160685 101848183640 106940592822 142587457096 152772275460 178234321370 213881185644 267351482055 305544550920 356468642740 427762371288 534702964110 712937285480 1069405928220 2138811856440
• Sum of all divisors σ(n): 7705193368320
• Sum of proper divisors (its aliquot sum) s(n): 5566381511880
• 2138811856440 is an abundant number, because the sum of its proper divisors (5566381511880) is greater than itself. Its abundance is 3427569655440

Bases of 2138811856440

• Binary: 11111000111111011000111101111011000111000₂
• Hexadecimal: 0x1F1FB1EF638
• Base-36: RAK1CUGO

Squares and roots of 2138811856440

• 2138811856440 squared (2138811856440²) is 4574516157248319169473600
• 2138811856440 cubed (2138811856440³) is 9784029394599052484931469393569984000
• The square root of 2138811856440 is 1462467.7283413813
• The cube root of 2138811856440 is 12884.2020748995

Scales and comparisons

• 2,138,811,856,440 seconds is equal to 68,007 years, 31 weeks, 1 day, 20 hours, 34 minutes.
• To count from 1 to 2,138,811,856,440 would take you about one hundred seventy thousand and nineteen 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 2138811856440 cubic inches would be around 1073.7 feet tall.

Recreational maths with 2138811856440

• 2138811856440 backwards is 0446581188312
• The number of decimal digits it has is: 13
• The sum of 2138811856440's digits is 51
• More coming soon!