138239423280

Names of 138239423280

• Cardinal: 138239423280 can be written as One hundred thirty-eight billion, two hundred thirty-nine million, four hundred twenty-three thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.3823942328 × 10¹¹

Factors of 138239423280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 68779

Divisors of 138239423280

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 24 27 28 30 35 36 38 40 42 45 48 49 54 56 57 60 63 70 72 76 80 84 90 95 98 105 108 112 114 120 126 133 135 140 144 147 152 168 171 180 189 190 196 210 216 228 240 245 252 266 270 280 285 294 304 315 336 342 360 378 380 392 399 420 432 441 456 490 504 513 532 540 560 570 588 630 665 684 720 735 756 760 784 798 840 855 882 912 931 945 980 1008 1026 1064 1080 1140 1176 1197 1260 1323 1330 1368 1470 1512 1520 1596 1680 1710 1764 1862 1890 1960 1995 2052 2128 2160 2205 2280 2352 2394 2520 2565 2646 2660 2736 2793 2940 3024 3192 3420 3528 3591 3724 3780 3920 3990 4104 4410 4560 4655 4788 5040 5130 5292 5320 5586 5880 5985 6384 6615 6840 7056 7182 7448 7560 7980 8208 8379 8820 9310 9576 10260 10584 10640 11172 11760 11970 13230 13680 13965 14364 14896 15120 15960 16758 17640 17955 18620 19152 20520 21168 22344 23940 25137 26460 27930 28728 31920 33516 35280 35910 37240 41040 41895 44688 47880 50274 52920 55860 57456 67032 68743 71820 74480 83790 95760 100548 105840 111720 125685 134064 137486 143640 167580 201096 206229 223440 251370 274972 287280 335160 343715 402192 412458 481201 502740 549944 618687 670320 687430 824916 962402 1005480 1031145 1099888 1237374 1306117 1374860 1443603 1649832 1856061 1924804 2010960 2062290 2406005 2474748 2612234 2749720 2887206 3093435 3299664 3368407 3712122 3849608 3918351 4124580 4330809 4812010 4949496 5224468 5499440 5774412 6186870 6530585 6736814 7218015 7424244 7699216 7836702 8249160 8661618 9142819 9280305 9624020 9898992 10105221 10448936 11548824 11755053 12373740 12992427 13061170 13473628 14436030 14848488 15673404 16498320 16842035 17323236 18285638 18560610 19248040 19591755 20210442 20897872 21654045 23097648 23510106 24747480 25984854 26122340 26947256 27428457 28872060 29696976 30315663 31346808 33684070 34646472 35265159 36571276 37121220 38496080 39183510 40420884 43308090 45714095 47020212 49494960 50526105 51969708 52244680 53894512 54856914 57744120 58775265 60631326 62693616 63999733 64962135 67368140 69292944 70530318 73142552 74242440 78367020 80841768 82285371 86616180 90946989 91428190 94040424 101052210 103939416 104489360 109713828 115488240 117550530 121262652 127999466 129924270 134736280 137142285 141060636 146285104 148484880 151578315 156734040 161683536 164570742 173232360 176325795 181893978 182856380 188080848 191999199 202104420 207878832 219427656 235101060 242525304 246856113 255998932 259848540 269472560 274284570 282121272 303156630 313468080 319998665 329141484 346464720 352651590 363787956 365712760 383998398 404208840 411426855 438855312 454734945 470202120 485050608 493712226 511997864 519697080 548569140 564242544 575997597 606313260 639997330 658282968 705303180 727575912 731425520 767996796 808417680 822853710 909469890 940404240 959995995 987424452 1023995728 1039394160 1097138280 1151995194 1212626520 1234280565 1279994660 1316565936 1410606360 1455151824 1535993592 1645707420 1727992791 1818939780 1919991990 1974848904 2194276560 2303990388 2425253040 2468561130 2559989320 2821212720 2879987985 3071987184 3291414840 3455985582 3637879560 3839983980 3949697808 4607980776 4937122260 5119978640 5759975970 6582829680 6911971164 7275759120 7679967960 8639963955 9215961552 9874244520 11519951940 13823942328 15359935920 17279927910 19748489040 23039903880 27647884656 34559855820 46079807760 69119711640 138239423280
• Sum of all divisors σ(n): 583059110400
• Sum of proper divisors (its aliquot sum) s(n): 444819687120
• 138239423280 is an abundant number, because the sum of its proper divisors (444819687120) is greater than itself. Its abundance is 306580263840

Bases of 138239423280

• Binary: 10000000101111101101100011001100110000₂
• Hexadecimal: 0x202FB63330
• Base-36: 1RI86LO0

Squares and roots of 138239423280

• 138239423280 squared (138239423280²) is 19110138148787005958400
• 138239423280 cubed (138239423280³) is 2641774476489442535247139671552000
• The square root of 138239423280 is 371805.6256701881
• The cube root of 138239423280 is 5170.6360656407

Scales and comparisons

• 138,239,423,280 seconds is equal to 4,395 years, 30 weeks, 3 days, 7 hours, 48 minutes.
• To count from 1 to 138,239,423,280 would take you about eight thousand, seven hundred ninety-one 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 138239423280 cubic inches would be around 430.9 feet tall.

Recreational maths with 138239423280

• 138239423280 backwards is 082324932831
• 138239423280 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138239423280's digits is 45
• More coming soon!