138207993660

Names of 138207993660

• Cardinal: 138207993660 can be written as One hundred thirty-eight billion, two hundred seven million, nine hundred ninety-three thousand, six hundred sixty.

Scientific notation

• Scientific notation: 1.3820799366 × 10¹¹

Factors of 138207993660

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 667

Divisors of 138207993660

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 17 18 20 22 27 30 33 34 36 37 44 45 51 54 55 60 66 68 71 74 85 90 99 102 108 110 111 132 135 142 148 153 165 170 180 185 187 198 204 213 220 222 255 270 284 297 306 330 333 340 355 370 374 396 407 426 444 459 495 510 521 540 555 561 594 612 629 639 660 666 710 740 748 765 781 814 852 918 935 990 999 1020 1042 1065 1110 1122 1188 1207 1221 1258 1278 1332 1420 1485 1530 1562 1563 1628 1665 1683 1836 1870 1887 1917 1980 1998 2035 2084 2130 2220 2244 2295 2343 2414 2442 2516 2556 2605 2627 2805 2970 3060 3124 3126 3145 3195 3330 3366 3621 3663 3740 3774 3834 3905 3996 4070 4260 4590 4686 4689 4828 4884 4995 5049 5210 5254 5610 5661 5731 5940 6035 6105 6252 6290 6390 6660 6732 6919 7029 7242 7326 7548 7668 7810 7815 7881 8140 8415 8857 9180 9372 9378 9435 9585 9990 10098 10420 10508 10863 10989 11220 11322 11462 11715 12070 12210 12580 12780 13135 13277 13838 14058 14067 14484 14652 15620 15630 15762 16830 16983 17193 17714 18105 18315 18756 18870 19170 19277 19980 20196 20757 21087 21726 21978 22644 22924 23430 23445 23643 24140 24420 25245 26270 26554 26571 27676 28116 28134 28305 28655 28897 31260 31524 32589 33660 33966 34386 34595 35145 35428 36210 36630 36991 37740 38340 38554 39405 39831 41514 42174 43452 43956 44285 44659 46860 46890 47286 50490 51579 52540 53108 53142 54315 54945 56268 56610 57310 57794 57831 62271 65178 66385 67932 68772 69190 70290 70335 70929 72420 73260 73982 77108 78810 79662 79713 83028 84348 84915 85965 86691 88570 89318 93780 94572 96385 97427 100980 103158 103785 105435 106284 108630 109890 110973 113220 114620 115588 115662 118215 119493 124542 130356 132770 132855 133977 138380 140580 140670 141858 144485 147964 154737 157620 159324 159426 162945 169830 171930 173382 173493 177140 178636 184955 186813 192770 194854 199155 206316 207570 210870 212047 217260 219780 221946 223295 231324 236430 238986 239139 249084 257895 260073 265540 265710 267954 281340 283716 288970 289155 292281 309474 311355 318852 325890 327709 332919 339660 343860 346764 346986 354645 358479 369910 373626 385540 389708 398310 398565 401931 406901 415140 421740 424094 433455 443892 446590 472860 477972 478278 487135 491249 515790 520146 520479 531420 535908 554865 577940 578310 584562 597465 618948 622710 628847 636141 651780 655418 665838 669885 693972 709290 716958 739820 747252 773685 780219 796620 797130 803862 813802 848188 866910 867465 876843 893180 934065 956556 974270 982498 983127 998757 1031580 1040292 1040958 1060235 1109730 1156620 1169124 1194930 1195695 1205793 1220703 1245420 1257694 1272282 1300365 1310836 1331676 1339770 1368667 1418580 1433916 1461405 1473747 1547370 1560438 1594260 1607724 1627604 1638545 1664595 1733820 1734930 1753686 1792395 1868130 1886541 1908423 1948540 1964996 1966254 1997514 2009655 2034505 2081916 2120470 2219460 2389860 2391390 2411586 2441406 2456245 2515388 2544564 2600730 2602395 2630529 2679540 2737334 2922810 2947494 2949381 3094740 3120876 3144235 3180705 3277090 3329190 3469860 3507372 3584790 3604799 3662109 3736260 3773082 3816846 3901095 3932508 3995028 4019310 4069010 4106001 4240940 4384215 4421241 4782780 4823172 4882812 4912490 4915635 4993785 5201460 5204790 5261058 5474668 5659623 5725269 5845620 5894988 5898762 6028965 6103515 6288470 6361410 6554180 6658380 6843335 6917317 7169580 7209598 7324218 7368735 7546164 7633692 7802190 8038620 8138020 8212002 8768430 8842482 8848143 9432705 9542115 9824980 9831270 9987570 10409580 10522116 10814397 10986327 11319246 11450538 11797524 12057930 12207030 12318003 12576940 12722820 13152645 13263723 13686670 13834634 14419196 14648436 14737470 14746905 15055337 15604380 16424004 16978869 17536860 17684964 17696286 18023995 18310545 18865410 19084230 19662540 19975140 20530005 20751951 21628794 21972654 22106205 22638492 22901076 23267339 24115860 24414060 24636006 26305290 26527446 27373340 27669268 28298115 28626345 29474940 29493810 30110674 32443191 33957738 34586585 35392572 36047990 36621090 36954009 37730820 38168460 41060010 41503902 43257588 43945308 44212410 44240715 45166011 46534678 49272012 52610580 53054892 54071985 54931635 56596230 57252690 58987620 60221348 61590015 62255853 64886382 66318615 67915476 69173170 69802017 72095980 73242180 73908018 75276685 82120020 83007804 84894345 88424820 88481430 90332022 93069356 97329573 103759755 108143970 109863270 113192460 114505380 116336695 123180030 124511706 129772764 132637230 135498033 138346340 139604034 147816036 150553370 162215955 169788690 176962860 180664044 184770045 186767559 194659146 207519510 209406051 216287940 219726540 225830055 232673390 246360060 249023412 255940729 265274460 270996066 279208068 301106740 311279265 324431910 339577380 349010085 369540090 373535118 389318292 406494099 415039020 418812102 451660110 465346780 486647865 511881458 541992132 622558530 628218153 648863820 677490165 698020170 739080180 747070236 767822187 812988198 837624204 903320220 933837795 973295730 1023762916 1047030255 1245117060 1256436306 1279703645 1354980330 1396040340 1535644374 1625976396 1867675590 1946591460 2032470495 2094060510 2303466561 2512872612 2559407290 2709960660 3071288748 3141090765 3735351180 3839110935 4064940990 4188121020 4606933122 5118814580 6282181530 6910399683 7678221870 8129881980 9213866244 11517332805 12564363060 13820799366 15356443740 23034665610 27641598732 34551998415 46069331220 69103996830 138207993660
• Sum of all divisors σ(n): 518262312960
• Sum of proper divisors (its aliquot sum) s(n): 380054319300
• 138207993660 is an abundant number, because the sum of its proper divisors (380054319300) is greater than itself. Its abundance is 241846325640

Bases of 138207993660

• Binary: 10000000101101110101101001111100111100₂
• Hexadecimal: 0x202DD69F3C
• Base-36: 1RHPGYF0

Squares and roots of 138207993660

• 138207993660 squared (138207993660²) is 19101449511522600195600
• 138207993660 cubed (138207993660³) is 2639973012985325624780199559896000
• The square root of 138207993660 is 371763.3570700589
• The cube root of 138207993660 is 5170.2441768429

Scales and comparisons

• 138,207,993,660 seconds is equal to 4,394 years, 30 weeks, 3 days, 13 hours, 21 minutes.
• To count from 1 to 138,207,993,660 would take you about eight thousand, seven hundred eighty-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 138207993660 cubic inches would be around 430.9 feet tall.

Recreational maths with 138207993660

• 138207993660 backwards is 066399702831
• 138207993660 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138207993660's digits is 54
• More coming soon!