12386400390

Names of 12386400390

• Cardinal: 12386400390 can be written as Twelve billion, three hundred eighty-six million, four hundred thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.238640039 × 10¹⁰

Factors of 12386400390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 206

Divisors of 12386400390

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 19 21 26 27 30 35 38 39 42 45 54 57 63 65 70 78 90 91 95 105 114 117 126 130 133 135 157 169 171 182 189 190 195 210 234 247 266 270 273 285 314 315 338 342 351 378 390 399 455 471 494 507 513 546 570 585 630 665 702 741 785 798 819 845 855 910 942 945 1014 1026 1099 1170 1183 1197 1235 1330 1365 1413 1482 1521 1570 1638 1690 1710 1729 1755 1890 1995 2041 2197 2198 2223 2355 2366 2394 2457 2470 2535 2565 2730 2826 2983 3042 3211 3297 3458 3510 3549 3591 3705 3990 4082 4095 4239 4394 4446 4563 4710 4914 5070 5130 5187 5495 5915 5966 5985 6123 6422 6591 6594 6669 7065 7098 7182 7410 7605 8190 8478 8645 8949 9126 9633 9891 10205 10374 10647 10985 10990 11115 11830 11970 12246 12285 13182 13338 14130 14287 14915 15210 15379 15561 16055 16485 17290 17745 17898 17955 18369 19266 19773 19782 20410 20881 21195 21294 21970 22230 22477 22815 24570 25935 26533 26847 28574 28899 29673 29830 30615 30758 31122 31941 32110 32955 32970 33345 35490 35910 36738 38779 39546 41743 41762 42390 42861 44745 44954 45630 46137 46683 48165 49455 51870 53066 53235 53694 55107 57798 59319 59346 61230 62643 63882 65910 66690 67431 71435 76895 77558 77805 79599 80541 83486 85722 86697 89490 91845 92274 93366 96330 98865 98910 104405 106470 110214 112385 116337 118638 125229 125286 128583 132665 134235 134862 138411 142870 144495 148365 153790 155610 159198 159705 161082 173394 183690 185731 187929 193895 197730 202293 208715 208810 214305 224770 230685 232674 233415 238797 250458 257166 265330 268470 271453 275535 276822 288990 292201 296595 296730 313215 319410 337155 344929 349011 371462 375687 375858 385749 387790 397995 402705 404586 415233 417430 428610 433485 461370 466830 477594 504127 542906 551070 557193 563787 581685 584402 593190 606879 626145 626430 642915 674310 689858 692055 698022 716391 751374 771498 795990 805410 814359 830466 866970 876603 928655 939645 1008254 1011465 1034787 1047033 1114386 1127061 1127574 1163370 1193985 1213758 1252290 1285830 1357265 1384110 1432782 1461005 1512381 1628718 1671579 1724645 1745055 1753206 1857310 1878435 1879290 1928745 2022930 2069574 2076165 2094066 2254122 2387970 2414503 2443077 2520635 2629809 2714530 2785965 2818935 2922010 3024762 3034395 3104361 3343158 3449290 3490110 3528889 3581955 3756870 3857490 4071795 4152330 4383015 4537143 4829006 4886154 5014737 5041270 5173935 5235165 5259618 5571930 5635305 5637870 6068790 6208722 6553651 7057778 7163910 7243509 7329231 7561905 7889427 8143590 8357895 8766030 9074286 9313083 10029474 10347870 10470330 10586667 11270610 12072515 12215385 13107302 13149045 13611429 14487018 14658462 15123810 15521805 15778854 16715790 17644445 18626166 19660953 21173334 21730527 22685715 24145030 24430770 25073685 26298090 27222858 31043610 31760001 32768255 35288890 36217545 36646155 39321906 39447135 43461054 45371430 45875557 46565415 50147370 52933335 58982859 63520002 65191581 65536510 68057145 72435090 73292310 78894270 91751114 93130830 95280003 98304765 105866670 108652635 117965718 130383162 136114290 137626671 158800005 176948577 190560006 196609530 217305270 229377785 275253342 294914295 317600010 325957905 353897154 412880013 458755570 476400015 589828590 651915810 688133355 825760026 884742885 952800030 1238640039 1376266710 1769485770 2064400065 2477280078 4128800130 6193200195 12386400390
• Sum of all divisors σ(n): 43319808000
• Sum of proper divisors (its aliquot sum) s(n): 30933407610
• 12386400390 is an abundant number, because the sum of its proper divisors (30933407610) is greater than itself. Its abundance is 18547007220

Bases of 12386400390

• Binary: 1011100010010010010111100010000110₂
• Hexadecimal: 0x2E2497886
• Base-36: 5OUJJPI

Squares and roots of 12386400390

• 12386400390 squared (12386400390²) is 153422914621392152100
• 12386400390 cubed (12386400390³) is 1900357649501348455114379319000
• The square root of 12386400390 is 111294.2064529865
• The cube root of 12386400390 is 2313.7425754117

Scales and comparisons

• 12,386,400,390 seconds is equal to 393 years, 44 weeks, 1 day, 2 hours, 46 minutes, 30 seconds.
• To count from 1 to 12,386,400,390 would take you about seven hundred eighty-seven 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 12386400390 cubic inches would be around 192.8 feet tall.

Recreational maths with 12386400390

• 12386400390 backwards is 09300468321
• The number of decimal digits it has is: 11
• The sum of 12386400390's digits is 36
• More coming soon!