8138901818400

Names of 8138901818400

• Cardinal: 8138901818400 can be written as Eight trillion, one hundred thirty-eight billion, nine hundred one million, eight hundred eighteen thousand, four hundred.

Scientific notation

• Scientific notation: 8.1389018184 × 10¹²

Factors of 8138901818400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 240

Divisors of 8138901818400

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 25 30 32 38 40 48 50 57 60 75 76 80 95 96 100 114 120 150 152 160 190 200 211 228 240 285 300 304 361 380 400 422 456 475 480 570 600 608 633 722 760 800 844 912 950 1055 1083 1140 1200 1266 1425 1444 1520 1688 1805 1824 1900 2110 2166 2280 2400 2532 2850 2888 3040 3165 3376 3610 3800 4009 4220 4332 4560 5064 5275 5415 5700 5776 6330 6752 7220 7600 8018 8440 8664 9025 9120 10128 10550 10830 11400 11552 12027 12660 14440 15200 15825 16036 16880 17328 18050 20045 20256 21100 21660 22800 24054 25320 27075 28880 31650 32072 33760 34656 36100 40090 42200 43320 44521 45600 48108 50640 54150 57760 60135 63300 64144 72200 76171 80180 84400 86640 89042 96216 100225 101280 108300 120270 126600 128288 133563 144400 152342 160360 168800 173280 178084 192432 200450 216600 222605 228513 240540 253200 267126 288800 300675 304684 320720 356168 380855 384864 400900 433200 445210 457026 481080 506400 534252 601350 609368 641440 667815 712336 761710 801800 845899 866400 890420 914052 962160 1068504 1113025 1142565 1202700 1218736 1335630 1424672 1523420 1603600 1691798 1780840 1828104 1904275 1924320 2137008 2226050 2285130 2405400 2437472 2537697 2671260 3046840 3207200 3339075 3383596 3561680 3656208 3808550 4229495 4274016 4452100 4570260 4810800 5075394 5342520 5712825 6093680 6678150 6767192 7123360 7312416 7617100 8458990 8904200 9140520 9393931 9621600 10150788 10685040 11425650 12187360 12688485 13356300 13534384 15234200 16072081 16917980 17808400 18281040 18787862 20301576 21147475 21370080 22851300 25376970 26712600 27068768 28181793 30468400 32144162 33835960 35616800 36562080 37575724 40603152 42294950 45702600 46969655 48216243 50753940 53425200 56363586 60936800 63442425 64288324 67671920 75151448 80360405 81206304 84589900 91405200 93939310 96432486 101507880 106850400 112727172 126884850 128576648 135343840 140908965 150302896 160720810 169179800 178484689 182810400 187878620 192864972 203015760 225454344 234848275 241081215 253769700 257153296 281817930 300605792 321441620 338359600 356969378 375757240 385729944 401802025 406031520 450908688 469696550 482162430 507539400 514306592 535454067 563635860 642883240 676719200 704544825 713938756 751514480 771459888 803604050 892423445 901817376 939393100 964324860 1015078800 1070908134 1127271720 1205406075 1285766480 1409089650 1427877512 1503028960 1542919776 1607208100 1784846890 1878786200 1928649720 2030157600 2141816268 2254543440 2410812150 2571532960 2677270335 2818179300 2855755024 3214416200 3391209091 3569693780 3757572400 3857299440 4283632536 4462117225 4509086880 4821624300 5354540670 5636358600 5711510048 6428832400 6782418182 7139387560 7515144800 7714598880 8567265072 8924234450 9643248600 10173627273 10709081340 11272717200 12857664800 13386351675 13564836364 14278775120 16956045455 17134530144 17848468900 19286497200 20347254546 21418162680 22545434400 26772703350 27129672728 28557550240 33912090910 35696937800 38572994400 40694509092 42836325360 50868136365 53545406700 54259345456 67824181820 71393875600 81389018184 84780227275 85672650720 101736272730 107090813400 108518690912 135648363640 142787751200 162778036368 169560454550 203472545460 214181626800 254340681825 271296727280 325556072736 339120909100 406945090920 428363253600 508681363650 542593454560 678241818200 813890181840 1017362727300 1356483636400 1627780363680 2034725454600 2712967272800 4069450909200 8138901818400
• Sum of all divisors σ(n): 28092975247008
• Sum of proper divisors (its aliquot sum) s(n): 19954073428608
• 8138901818400 is an abundant number, because the sum of its proper divisors (19954073428608) is greater than itself. Its abundance is 11815171610208

Bases of 8138901818400

• Binary: 1110110011011111100010110100000110000100000₂
• Hexadecimal: 0x766FC5A0C20
• Base-36: 2VUYK036O

Squares and roots of 8138901818400

• 8138901818400 squared (8138901818400²) is 66241722809554826578560000
• 8138901818400 cubed (8138901818400³) is 539134878228634534934738634453504000000
• The square root of 8138901818400 is 2852876.0608200279
• The cube root of 8138901818400 is 20115.0879828367

Scales and comparisons

• 8,138,901,818,400 seconds is equal to 258,791 years, 46 weeks, 6 days, 12 hours, 40 minutes.
• To count from 1 to 8,138,901,818,400 would take you about six hundred forty-six thousand, nine 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 8138901818400 cubic inches would be around 1676.3 feet tall.

Recreational maths with 8138901818400

• 8138901818400 backwards is 0048181098318
• The number of decimal digits it has is: 13
• The sum of 8138901818400's digits is 51
• More coming soon!