138384843390

Names of 138384843390

• Cardinal: 138384843390 can be written as One hundred thirty-eight billion, three hundred eighty-four million, eight hundred forty-three thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.3838484339 × 10¹¹

Factors of 138384843390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 234

Divisors of 138384843390

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 27 30 38 45 47 54 57 61 90 94 95 97 114 122 135 141 171 183 190 194 235 270 282 285 291 305 342 366 423 470 485 513 549 570 582 610 705 846 855 873 893 915 970 1026 1098 1159 1269 1410 1455 1647 1710 1746 1786 1830 1843 2115 2318 2538 2565 2619 2679 2745 2867 2910 3294 3477 3686 4230 4365 4465 4559 5130 5238 5358 5490 5529 5734 5795 5917 6345 6954 8037 8235 8601 8730 8930 9118 9215 9409 10431 11058 11590 11834 12690 13095 13395 13677 14335 16074 16470 16587 17202 17385 17751 18430 18818 20862 22795 24111 25803 26190 26790 27354 27645 28227 28670 29585 31293 33174 34770 35502 40185 41031 43005 45590 47045 48222 49761 51606 52155 53253 54473 55290 56454 59170 62586 68385 77409 80370 82062 82935 84681 86010 86621 88755 94090 99522 104310 106506 108946 112423 120555 123093 129015 136770 141135 154818 156465 159759 163419 165870 169362 173242 177510 178771 205155 224846 241110 246186 248805 254043 258030 259863 266265 272365 278099 282270 312930 319518 326838 337269 357542 387045 410310 423405 433105 442223 490257 497610 508086 519726 532530 536313 544730 556198 562115 573949 615465 674538 774090 779589 798795 817095 834297 846810 866210 884446 893855 980514 1011807 1072626 1124230 1147898 1230930 1270215 1299315 1326669 1390495 1470771 1559178 1597590 1608939 1634190 1668594 1686345 1721847 1787710 2023614 2211115 2338767 2451285 2502891 2540430 2598630 2653338 2681565 2780990 2869745 2941542 3035421 3217878 3372690 3443694 3897945 3980007 4171485 4422230 4677534 4826817 4902570 5005782 5059035 5165541 5283881 5363130 5739490 6070842 6633345 7353855 7508673 7795890 7960014 8044695 8342970 8402237 8609235 9653634 10118070 10331082 10567762 10905031 11693835 11940021 12514455 13266690 14707710 15017346 15177105 15496623 15851643 16089390 16804474 17218470 19900035 21810062 23387670 23880042 24134085 25028910 25206711 25827705 26419405 26975603 30354210 30993246 31703286 32715093 37543365 39800070 42011185 47554929 48268170 50413422 51655410 52838810 53951206 54525155 59700105 65430186 75086730 75620133 77483115 79258215 80926809 84022370 95109858 98145279 109050310 119400210 126033555 134878015 142664787 151240266 154966230 158516430 161853618 163575465 196290558 226860399 237774645 242780427 252067110 269756030 285329574 294435837 327150930 378100665 404634045 453720798 475549290 485560854 490726395 512536457 588871674 713323935 728341281 756201330 809268090 981452790 1025072914 1134301995 1213902135 1426647870 1456682562 1472179185 1537609371 2268603990 2427804270 2562682285 2944358370 3075218742 3641706405 4612828113 5125364570 7283412810 7688046855 9225656226 13838484339 15376093710 23064140565 27676968678 46128281130 69192421695 138384843390
• Sum of all divisors σ(n): 407416780800
• Sum of proper divisors (its aliquot sum) s(n): 269031937410
• 138384843390 is an abundant number, because the sum of its proper divisors (269031937410) is greater than itself. Its abundance is 130647094020

Bases of 138384843390

• Binary: 10000000111000011000010010001001111110₂
• Hexadecimal: 0x203861227E
• Base-36: 1RKMRGJI

Squares and roots of 138384843390

• 138384843390 squared (138384843390²) is 19150364880074826692100
• 138384843390 cubed (138384843390³) is 2650120244790511023267650250219000
• The square root of 138384843390 is 372001.1335869827
• The cube root of 138384843390 is 5172.4485031841

Scales and comparisons

• 138,384,843,390 seconds is equal to 4,400 years, 10 weeks, 6 days, 10 hours, 16 minutes, 30 seconds.
• To count from 1 to 138,384,843,390 would take you about eight thousand, eight hundred 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 138384843390 cubic inches would be around 431 feet tall.

Recreational maths with 138384843390

• 138384843390 backwards is 093348483831
• 138384843390 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138384843390's digits is 54
• More coming soon!