138994812990
138,994,812,990 is an even composite number composed of six prime numbers multiplied together.
138994812990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 138994812990:
2 × 32 × 5 × 11 × 174 × 412
(2 × 3 × 3 × 5 × 11 × 17 × 17 × 17 × 17 × 41 × 41)See below for interesting mathematical facts about the number 138994812990 from the Numbermatics database.
Names of 138994812990
- Cardinal: 138994812990 can be written as One hundred thirty-eight billion, nine hundred ninety-four million, eight hundred twelve thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.3899481299 × 1011
Factors of 138994812990
Divisors of 138994812990
- Number of divisors d(n): 360
-
Complete list of divisors:
1 2 3 5 6 9 10 11 15 17 18 22 30 33 34 41 45 51 55 66 82 85 90 99 102 110 123 153 165 170 187 198 205 246 255 289 306 330 369 374 410 451 495 510 561 578 615 697 738 765 867 902 935 990 1122 1230 1353 1394 1445 1530 1681 1683 1734 1845 1870 2091 2255 2601 2706 2805 2890 3179 3362 3366 3485 3690 4059 4182 4335 4510 4913 5043 5202 5610 6273 6358 6765 6970 7667 8118 8405 8415 8670 9537 9826 10086 10455 11849 12546 13005 13530 14739 15129 15334 15895 16810 16830 18491 19074 20295 20910 23001 23698 24565 25215 26010 28577 28611 29478 30258 31365 31790 35547 36982 38335 40590 44217 46002 47685 49130 50430 54043 55473 57154 57222 59245 62730 69003 71094 73695 75645 76670 83521 85731 88434 92455 95370 106641 108086 110946 115005 118490 130339 138006 142885 143055 147390 151290 162129 166419 167042 171462 177735 184910 201433 213282 221085 230010 250563 257193 260678 270215 277365 285770 286110 314347 324258 332838 345015 355470 391017 402866 417605 428655 442170 485809 486387 501126 514386 533205 540430 554730 604299 628694 651695 690030 751689 782034 810645 832095 835210 857310 918731 943041 971618 972774 1007165 1066410 1173051 1208598 1252815 1285965 1303390 1457427 1503378 1571735 1621290 1664190 1812897 1837462 1886082 1955085 2014330 2215763 2346102 2429045 2431935 2505630 2571930 2756193 2829123 2914854 3021495 3143470 3424361 3625794 3758445 3910170 4372281 4431526 4593655 4715205 4858090 4863870 5343899 5512386 5658246 5865255 6042990 6647289 6848722 7287135 7516890 8258753 8268579 8744562 9064485 9187310 9430410 10273083 10687798 11078815 11730510 13294578 13780965 14145615 14574270 16031697 16517506 16537158 17121805 18128970 19941867 20546166 21861405 22157630 24776259 26719495 27561930 28291230 30819249 32063394 33236445 34243610 37667971 39883734 41293765 41342895 43722810 48095091 49552518 51365415 53438990 61638498 66472890 74328777 75335942 80158485 82587530 82685790 90846283 96190182 99709335 102730830 113003913 123881295 140398801 148657554 154096245 160316970 181692566 188339855 199418670 226007826 240475455 247762590 272538849 280797602 308192490 339011739 371643885 376679710 421196403 454231415 480950910 545077698 565019565 678023478 701994005 743287770 817616547 842392806 908462830 1130039130 1263589209 1362694245 1403988010 1544386811 1635233094 1695058695 2105982015 2527178418 2725388490 3088773622 3390117390 4088082735 4211964030 4633160433 6317946045 7721934055 8176165470 9266320866 12635892090 13899481299 15443868110 23165802165 27798962598 46331604330 69497406495 138994812990
- Sum of all divisors σ(n): 429345286344
- Sum of proper divisors (its aliquot sum) s(n): 290350473354
- 138994812990 is an abundant number, because the sum of its proper divisors (290350473354) is greater than itself. Its abundance is 151355660364
Bases of 138994812990
- Binary: 100000010111001011110010001000001111102
- Hexadecimal: 0x205CBC883E
- Base-36: 1RUPX83I
Squares and roots of 138994812990
- 138994812990 squared (1389948129902) is 19319558038125072740100
- 138994812990 cubed (1389948129903) is 2685318356558645775740346373899000
-
The
square root of 138994812990 is 372820.0812590437 -
The
cube root of 138994812990 is 5180.0370319551
Scales and comparisons
How big is 138994812990?- 138,994,812,990 seconds is equal to 4,419 years, 31 weeks, 3 days, 6 hours, 16 minutes, 30 seconds.
-
To count from 1 to 138,994,812,990 would take you about eight thousand, eight hundred thirty-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 138994812990 cubic inches would be around 431.7 feet tall.
Recreational maths with 138994812990
- 138994812990 backwards is 099218499831
- The number of decimal digits it has is: 12
- The sum of 138994812990's digits is 63
- More coming soon!
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