138065661440

Names of 138065661440

• Cardinal: 138065661440 can be written as One hundred thirty-eight billion, sixty-five million, six hundred sixty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.3806566144 × 10¹¹

Factors of 138065661440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1179

Divisors of 138065661440

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 49 53 56 64 70 76 80 95 98 106 112 128 133 140 152 160 190 196 212 224 245 256 265 266 280 304 320 371 380 392 424 448 490 512 530 532 560 608 640 665 742 760 784 848 896 931 980 1007 1060 1064 1093 1120 1216 1280 1330 1484 1520 1568 1696 1792 1855 1862 1960 2014 2120 2128 2186 2240 2432 2560 2597 2660 2968 3040 3136 3392 3584 3710 3724 3920 4028 4240 4256 4372 4480 4655 4864 5035 5194 5320 5465 5936 6080 6272 6784 7049 7420 7448 7651 7840 8056 8480 8512 8744 8960 9310 9728 10070 10388 10640 10930 11872 12160 12544 12985 13568 14098 14840 14896 15302 15680 16112 16960 17024 17488 17920 18620 20140 20767 20776 21280 21860 23744 24320 25088 25970 27136 28196 29680 29792 30604 31360 32224 33920 34048 34976 35245 37240 38255 40280 41534 41552 42560 43720 47488 48640 49343 51940 53557 56392 57929 59360 59584 61208 62720 64448 67840 68096 69952 70490 74480 76510 80560 83068 83104 85120 87440 94976 98686 103835 103880 107114 112784 115858 118720 119168 122416 125440 128896 135680 139904 140980 145369 148960 153020 161120 166136 166208 170240 174880 189952 197372 207670 207760 214228 225568 231716 237440 238336 244832 246715 257792 267785 279808 281960 289645 290738 297920 306040 322240 332272 332416 340480 349760 394744 405503 415340 415520 428456 451136 463432 474880 476672 489664 493430 515584 535570 559616 563920 579290 581476 595840 612080 644480 664544 664832 699520 726845 789488 811006 830680 831040 856912 902272 926864 949760 979328 986860 1017583 1071140 1100651 1127840 1158580 1162952 1191680 1224160 1288960 1329088 1329664 1399040 1453690 1578976 1622012 1661360 1662080 1713824 1804544 1853728 1958656 1973720 2027515 2035166 2142280 2201302 2255680 2317160 2325904 2383360 2448320 2577920 2658176 2798080 2838521 2907380 3157952 3244024 3322720 3324160 3427648 3609088 3707456 3917312 3947440 4055030 4070332 4284560 4402604 4511360 4634320 4651808 4896640 5087915 5316352 5503255 5677042 5814760 6315904 6488048 6645440 6648320 6855296 7414912 7704557 7894880 8110060 8140664 8569120 8805208 9022720 9268640 9303616 9793280 10175830 10632704 11006510 11354084 11629520 12631808 12976096 13290880 13710592 14192605 14829824 15409114 15789760 16220120 16281328 17138240 17610416 18045440 18537280 18607232 19586560 20351660 22013020 22708168 23259040 25263616 25952192 26581760 27421184 28385210 29659648 30818228 31579520 32440240 32562656 34276480 35220832 37074560 37214464 38522785 40703320 44026040 45416336 46518080 51904384 53163520 53931899 56770420 61636456 63159040 64880480 65125312 68552960 70441664 74149120 74428928 77045570 81406640 88052080 90832672 93036160 103808768 107863798 113540840 123272912 126318080 129760960 130250624 137105920 140883328 148298240 154091140 162813280 176104160 181665344 186072320 207617536 215727596 227081680 246545824 259521920 260501248 269659495 281766656 308182280 325626560 352208320 363330688 372144640 431455192 454163360 493091648 519043840 521002496 539318990 563533312 616364560 651253120 704416640 726661376 862910384 908326720 986183296 1038087680 1078637980 1232729120 1302506240 1408833280 1453322752 1725820768 1816653440 1972366592 2157275960 2465458240 2605012480 2817666560 3451641536 3633306880 3944733184 4314551920 4930916480 6903283072 7266613760 8629103840 9861832960 13806566144 17258207680 19723665920 27613132288 34516415360 69032830720 138065661440
• Sum of all divisors σ(n): 413373676320
• Sum of proper divisors (its aliquot sum) s(n): 275308014880
• 138065661440 is an abundant number, because the sum of its proper divisors (275308014880) is greater than itself. Its abundance is 137242353440

Bases of 138065661440

• Binary: 10000000100101010110101100111000000000₂
• Hexadecimal: 0x20255ACE00
• Base-36: 1RFCQA68

Squares and roots of 138065661440

• 138065661440 squared (138065661440²) is 19062126868864702873600
• 138065661440 cubed (138065661440³) is 2631825154603001344112652713984000
• The square root of 138065661440 is 371571.8792373825
• The cube root of 138065661440 is 5168.4687245601

Scales and comparisons

• 138,065,661,440 seconds is equal to 4,390 years, 3 weeks, 1 day, 4 hours, 37 minutes, 20 seconds.
• To count from 1 to 138,065,661,440 would take you about eight thousand, seven hundred eighty 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 138065661440 cubic inches would be around 430.7 feet tall.

Recreational maths with 138065661440

• 138065661440 backwards is 044166560831
• The number of decimal digits it has is: 12
• The sum of 138065661440's digits is 44
• More coming soon!