138998439936

Names of 138998439936

• Cardinal: 138998439936 can be written as One hundred thirty-eight billion, nine hundred ninety-eight million, four hundred thirty-nine thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 1.38998439936 × 10¹¹

Factors of 138998439936

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 424

Divisors of 138998439936

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 46 48 54 64 69 72 89 92 96 108 128 138 144 178 184 192 207 216 256 267 276 288 307 356 368 384 414 432 512 534 552 576 614 621 712 736 768 801 828 864 921 1024 1068 1104 1152 1228 1242 1424 1472 1536 1602 1656 1728 1842 2047 2048 2136 2208 2304 2403 2456 2484 2763 2848 2944 3072 3204 3312 3456 3684 4094 4096 4272 4416 4608 4806 4912 4968 5526 5696 5888 6141 6144 6408 6624 6912 7061 7368 8188 8192 8289 8544 8832 9216 9612 9824 9936 11052 11392 11776 12282 12288 12816 13248 13824 14122 14736 16376 16578 17088 17664 18423 18432 19224 19648 19872 21183 22104 22784 23552 24564 24576 25632 26496 27323 27648 28244 29472 32752 33156 34176 35328 36846 36864 38448 39296 39744 42366 44208 45568 47104 49128 51264 52992 54646 55269 55296 56488 58944 63549 65504 66312 68352 70656 73692 73728 76896 78592 79488 81969 84732 88416 91136 94208 98256 102528 105984 109292 110538 110592 112976 117888 127098 131008 132624 136704 141312 147384 153792 157184 158976 163938 169464 176832 182272 188416 190647 196512 205056 211968 218584 221076 221184 225952 235776 245907 254196 262016 265248 273408 282624 294768 307584 314368 317952 327876 338928 353664 364544 381294 393024 410112 423936 437168 442152 451904 471552 491814 508392 524032 530496 546816 565248 589536 615168 628429 628736 635904 655752 677856 707328 729088 737721 762588 786048 820224 847872 874336 884304 903808 943104 983628 1016784 1048064 1060992 1093632 1179072 1230336 1256858 1257472 1271808 1311504 1355712 1414656 1475442 1525176 1572096 1640448 1695744 1748672 1768608 1807616 1885287 1886208 1967256 2033568 2096128 2121984 2187264 2358144 2460672 2513716 2514944 2543616 2623008 2711424 2829312 2950884 3050352 3144192 3280896 3497344 3537216 3615232 3770574 3772416 3934512 4067136 4192256 4243968 4716288 4921344 5027432 5087232 5246016 5422848 5655861 5658624 5901768 6100704 6288384 6561792 6994688 7074432 7230464 7541148 7544832 7869024 8134272 8384512 8487936 9432576 9842688 10054864 10492032 10845696 11311722 11317248 11803536 12201408 12576768 13989376 14148864 14460928 15082296 15738048 16268544 16769024 16967583 16975872 18865152 19685376 20109728 20984064 21691392 22623444 22634496 23607072 24402816 25153536 27978752 28297728 28921856 30164592 31476096 32537088 33935166 33951744 37730304 40219456 41968128 43382784 45246888 47214144 48805632 50307072 55957504 56595456 57843712 60329184 62952192 65074176 67870332 67903488 75460608 80438912 83936256 86765568 90493776 94428288 97611264 111915008 113190912 120658368 125904384 130148352 135740664 150921216 160877824 167872512 173531136 180987552 188856576 195222528 223830016 226381824 241316736 251808768 260296704 271481328 321755648 335745024 361975104 377713152 390445056 452763648 482633472 503617536 520593408 542962656 643511296 671490048 723950208 755426304 780890112 965266944 1007235072 1085925312 1287022592 1447900416 1510852608 1561780224 1930533888 2014470144 2171850624 2574045184 2895800832 3021705216 3861067776 4343701248 5148090368 5791601664 6043410432 7722135552 8687402496 11583203328 15444271104 17374804992 23166406656 34749609984 46332813312 69499219968 138998439936
• Sum of all divisors σ(n): 435971289600
• Sum of proper divisors (its aliquot sum) s(n): 296972849664
• 138998439936 is an abundant number, because the sum of its proper divisors (296972849664) is greater than itself. Its abundance is 157974409728

Bases of 138998439936

• Binary: 10000001011100111100111110000000000000₂
• Hexadecimal: 0x205CF3E000
• Base-36: 1RUS2YO0

Squares and roots of 138998439936

• 138998439936 squared (138998439936²) is 19320566304641799684096
• 138998439936 cubed (138998439936³) is 2685528575025258671384761630457856
• The square root of 138998439936 is 372824.9454314987
• The cube root of 138998439936 is 5180.0820877161

Scales and comparisons

• 138,998,439,936 seconds is equal to 4,419 years, 37 weeks, 3 days, 5 hours, 45 minutes, 36 seconds.
• To count from 1 to 138,998,439,936 would take you about eight thousand, eight hundred thirty-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 138998439936 cubic inches would be around 431.7 feet tall.

Recreational maths with 138998439936

• 138998439936 backwards is 639934899831
• 138998439936 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138998439936's digits is 72
• More coming soon!