138934224

Names of 138934224

• Cardinal: 138934224 can be written as One hundred thirty-eight million, nine hundred thirty-four thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 1.38934224 × 10⁸

Factors of 138934224

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 202

Divisors of 138934224

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 33 36 39 44 48 52 54 66 72 78 88 99 104 108 117 132 143 144 156 169 173 176 198 208 216 234 264 286 297 312 338 346 351 396 429 432 468 507 519 528 572 594 624 676 692 702 792 858 936 1014 1038 1144 1188 1287 1352 1384 1404 1521 1557 1584 1716 1859 1872 1903 2028 2076 2249 2288 2376 2574 2704 2768 2808 3042 3114 3432 3718 3806 3861 4056 4152 4498 4563 4671 4752 5148 5577 5616 5709 6084 6228 6747 6864 7436 7612 7722 8112 8304 8996 9126 9342 10296 11154 11418 12168 12456 13494 14872 15224 15444 16731 17127 17992 18252 18684 20241 20592 22308 22836 24336 24739 24912 26988 29237 29744 30448 30888 33462 34254 35984 36504 37368 40482 44616 45672 49478 50193 51381 53976 58474 60723 61776 66924 68508 73008 74217 74736 80964 87711 89232 91344 98956 100386 102762 107952 116948 121446 133848 137016 148434 161928 175422 197912 200772 205524 222651 233896 242892 263133 267696 274032 296868 321607 323856 350844 395824 401544 411048 445302 467792 485784 526266 593736 643214 667953 701688 789399 803088 822096 890604 964821 971568 1052532 1187472 1286428 1335906 1403376 1578798 1781208 1929642 2105064 2572856 2671812 2894463 3157596 3562416 3859284 4210128 5145712 5343624 5788926 6315192 7718568 8683389 10687248 11577852 12630384 15437136 17366778 23155704 34733556 46311408 69467112 138934224
• Sum of all divisors σ(n): 473808960
• Sum of proper divisors (its aliquot sum) s(n): 334874736
• 138934224 is an abundant number, because the sum of its proper divisors (334874736) is greater than itself. Its abundance is 195940512

Bases of 138934224

• Binary: 1000010001111111011111010000₂
• Hexadecimal: 0x847F7D0
• Base-36: 2APUC0

Squares and roots of 138934224

• 138934224 squared (138934224²) is 19302718598482176
• 138934224 cubed (138934224³) is 2681808229570488700391424
• The square root of 138934224 is 11787.0362687147
• The cube root of 138934224 is 517.9284248883

Scales and comparisons

• 138,934,224 seconds is equal to 4 years, 21 weeks, 5 days, 50 minutes, 24 seconds.
• To count from 1 to 138,934,224 would take you about six 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 138934224 cubic inches would be around 43.2 feet tall.

Recreational maths with 138934224

• 138934224 backwards is 422439831
• 138934224 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138934224's digits is 36
• More coming soon!