138686045400

Names of 138686045400

• Cardinal: 138686045400 can be written as One hundred thirty-eight billion, six hundred eighty-six million, forty-five thousand, four hundred.

Scientific notation

• Scientific notation: 1.386860454 × 10¹¹

Factors of 138686045400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 39499

Divisors of 138686045400

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 25 27 28 30 31 35 36 40 42 45 50 54 56 60 62 63 70 72 75 81 84 90 93 100 105 108 120 124 126 135 140 150 155 162 168 175 180 186 189 200 210 216 217 225 248 252 270 279 280 300 310 315 324 350 360 372 378 405 420 434 450 465 504 525 540 558 567 600 620 630 648 651 675 700 744 756 775 810 837 840 868 900 930 945 1050 1080 1085 1116 1134 1240 1260 1302 1350 1395 1400 1512 1550 1575 1620 1674 1736 1800 1860 1890 1953 2025 2100 2170 2232 2268 2325 2511 2520 2604 2700 2790 2835 3100 3150 3240 3255 3348 3720 3780 3906 4050 4185 4200 4340 4536 4650 4725 5022 5208 5400 5425 5580 5670 5859 6200 6300 6510 6696 6975 7560 7812 8100 8370 8680 9300 9450 9765 10044 10850 11160 11340 11718 12555 12600 13020 13950 14175 15624 16200 16275 16740 17577 18600 18900 19530 20088 20925 21700 22680 23436 25110 26040 27900 28350 29295 32550 33480 35154 37800 39060 39451 41850 43400 46872 48825 50220 55800 56700 58590 62775 65100 70308 78120 78902 83700 87885 97650 100440 113400 117180 118353 125550 130200 140616 146475 157804 167400 175770 195300 197255 234360 236706 251100 276157 292950 315608 351540 355059 390600 394510 439425 473412 502200 552314 585900 591765 703080 710118 789020 828471 878850 946824 986275 1065177 1104628 1171800 1183530 1222981 1380785 1420236 1578040 1656942 1757700 1775295 1972550 2130354 2209256 2367060 2445962 2485413 2761570 2840472 2958825 3195531 3313884 3515400 3550590 3668943 3945100 4142355 4260708 4734120 4891924 4970826 5325885 5523140 5917650 6114905 6391062 6627768 6903925 7101180 7337886 7456239 7890200 8284710 8521416 8560867 8876475 9783848 9941652 10651770 11006829 11046280 11835300 12229810 12427065 12782124 13807850 14202360 14675772 14912478 15977655 16569420 17121734 17752950 18344715 19883304 20711775 21303540 22013658 22368717 23670600 24459620 24854130 25564248 25682601 26629425 27615700 29351544 29824956 30574525 31955310 33020487 33138840 34243468 35505900 36689430 37281195 41423550 42607080 42804335 44027316 44737434 48919240 49708260 51365202 53258850 55034145 55231400 59649912 61149050 62135325 63910620 66040974 68486936 71011800 73378860 74562390 77047803 79888275 82847100 85608670 88054632 89474868 91723575 99061461 99416520 102730404 106517700 110068290 111843585 122298100 124270650 127821240 128413005 132081948 146757720 149124780 154095606 159776550 165102435 165694200 171217340 178949736 183447150 186405975 198122922 205460808 213035400 214021675 220136580 223687170 231143409 244596200 248541300 256826010 264163896 275170725 298249560 308191212 319553100 330204870 342434680 366894300 372811950 385239015 396245844 428043350 440273160 447374340 462286818 495307305 497082600 513652020 550341450 559217925 616382424 639106200 642065025 660409740 693430227 733788600 745623900 770478030 792491688 825512175 856086700 894748680 924573636 990614610 1027304040 1100682900 1118435850 1155717045 1284130050 1320819480 1386860454 1491247800 1540956060 1651024350 1712173400 1849147272 1926195075 1981229220 2201365800 2236871700 2311434090 2476536525 2568260100 2773720908 3081912120 3302048700 3467151135 3852390150 3962458440 4473743400 4622868180 4953073050 5136520200 5547441816 5778585225 6604097400 6934302270 7704780300 9245736360 9906146100 11557170450 13868604540 15409560600 17335755675 19812292200 23114340900 27737209080 34671511350 46228681800 69343022700 138686045400
• Sum of all divisors σ(n): 568260295680
• Sum of proper divisors (its aliquot sum) s(n): 429574250280
• 138686045400 is an abundant number, because the sum of its proper divisors (429574250280) is greater than itself. Its abundance is 290888204880

Bases of 138686045400

• Binary: 10000001001010010101010001110011011000₂
• Hexadecimal: 0x204A551CD8
• Base-36: 1RPM39I0

Squares and roots of 138686045400

• 138686045400 squared (138686045400²) is 19233819188690861160000
• 138686045400 cubed (138686045400³) is 2667462321218171937400856664000000
• The square root of 138686045400 is 372405.7537149501
• The cube root of 138686045400 is 5176.1984873841

Scales and comparisons

• 138,686,045,400 seconds is equal to 4,409 years, 40 weeks, 6 days, 13 hours, 30 minutes.
• To count from 1 to 138,686,045,400 would take you about eight thousand, eight hundred 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 138686045400 cubic inches would be around 431.3 feet tall.

Recreational maths with 138686045400

• 138686045400 backwards is 004540686831
• 138686045400 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138686045400's digits is 45
• More coming soon!