138423420344

Names of 138423420344

• Cardinal: 138423420344 can be written as One hundred thirty-eight billion, four hundred twenty-three million, four hundred twenty thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 1.38423420344 × 10¹¹

Factors of 138423420344

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1386

Divisors of 138423420344

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 8 11 19 22 31 38 41 44 53 62 76 82 88 106 124 152 164 209 212 248 328 341 418 424 451 583 589 682 779 836 902 1007 1166 1178 1229 1271 1364 1558 1643 1672 1804 2014 2173 2332 2356 2458 2542 2728 3116 3286 3608 4028 4346 4664 4712 4916 5084 6232 6479 6572 8056 8569 8692 9832 10168 11077 12958 13144 13519 13981 17138 17384 18073 22154 23351 23903 24149 25916 27038 27962 31217 34276 36146 38099 41287 44308 46702 47806 48298 50389 51832 54076 55924 62434 65137 67363 68552 72292 76198 82574 88616 93404 95612 96596 100778 108152 111848 124868 130274 134726 144584 152396 165148 186808 191224 193192 201556 249736 256861 260548 265639 269452 304792 330296 343387 403112 419089 454157 513722 521096 531278 538904 554279 686774 716507 723881 740993 838178 908314 957391 1027444 1062556 1108558 1237603 1279897 1373548 1433014 1447762 1481986 1562059 1676356 1816628 1914782 2019247 2054888 2125112 2217116 2475206 2559794 2670617 2747096 2866028 2895524 2963972 3124118 3352712 3633256 3829564 4038494 4434232 4950412 5119588 5341234 5732056 5791048 5927944 6248236 7659128 7962691 8076988 9900824 10239176 10531301 10682468 12496472 13613633 14078867 15925382 16153976 17182649 21062602 21364936 22211717 27227266 28157734 29376787 29679121 31850764 34365298 38365693 42125204 44423434 50741723 54454532 56315468 58753574 59358242 63701528 68730596 76731386 82789127 84250408 88846868 101483446 108909064 112630936 117507148 118716484 137461192 153462772 165578254 177693736 202966892 235014296 237432968 306925544 326470331 331156508 405933784 422022623 558158953 652940662 662313016 844045246 910680397 1116317906 1305881324 1572993413 1688090492 1821360794 2232635812 2611762648 3145986826 3376180984 3642721588 4465271624 6291973652 7285443176 12583947304 17302927543 34605855086 69211710172 138423420344
• Sum of all divisors σ(n): 321366528000
• Sum of proper divisors (its aliquot sum) s(n): 182943107656
• 138423420344 is an abundant number, because the sum of its proper divisors (182943107656) is greater than itself. Its abundance is 44519687312

Bases of 138423420344

• Binary: 10000000111010101011011100010110111000₂
• Hexadecimal: 0x203AADC5B8
• Base-36: 1RL9QAPK

Squares and roots of 138423420344

• 138423420344 squared (138423420344²) is 19161043299731713078336
• 138423420344 cubed (138423420344³) is 2652337150908347701869706328067584
• The square root of 138423420344 is 372052.9805605647
• The cube root of 138423420344 is 5172.9290923501

Scales and comparisons

• 138,423,420,344 seconds is equal to 4,401 years, 22 weeks, 4 days, 22 hours, 5 minutes, 44 seconds.
• To count from 1 to 138,423,420,344 would take you about eight thousand, eight hundred two 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 138423420344 cubic inches would be around 431.1 feet tall.

Recreational maths with 138423420344

• 138423420344 backwards is 443024324831
• 138423420344 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138423420344's digits is 38
• More coming soon!