138358836

Names of 138358836

• Cardinal: 138358836 can be written as One hundred thirty-eight million, three hundred fifty-eight thousand, eight hundred thirty-six.

Scientific notation

• Scientific notation: 1.38358836 × 10⁸

Factors of 138358836

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 150

Divisors of 138358836

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 19 21 22 28 33 36 37 38 42 44 57 63 66 71 74 76 77 84 99 111 114 126 132 133 142 148 154 171 198 209 213 222 228 231 252 259 266 284 308 333 342 396 399 407 418 426 444 462 497 518 532 627 639 666 684 693 703 777 781 798 814 836 852 924 994 1036 1197 1221 1254 1278 1332 1349 1386 1406 1463 1491 1554 1562 1596 1628 1881 1988 2109 2331 2343 2394 2442 2508 2556 2627 2698 2772 2812 2849 2926 2982 3108 3124 3663 3762 4047 4218 4389 4473 4662 4686 4788 4884 4921 5254 5396 5467 5698 5852 5964 6327 7029 7326 7524 7733 7881 8094 8436 8547 8778 8946 9324 9372 9443 9842 10508 10934 11396 12141 12654 13167 14058 14652 14763 14839 15466 15762 16188 16401 17094 17556 17892 18389 18886 19684 21868 23199 23643 24282 25308 25641 26334 28116 28329 28897 29526 29678 30932 31524 32802 34188 36778 37772 44289 44517 46398 47286 48564 49203 49913 51282 52668 54131 55167 56658 57794 59052 59356 65604 69597 73556 84987 86691 88578 89034 92796 94572 98406 99826 102564 103873 108262 110334 113316 115588 133551 139194 149739 162393 165501 169974 173382 177156 178068 196812 199652 202279 207746 216524 220668 260073 267102 278388 299478 311619 324786 331002 339948 346764 349391 404558 415492 449217 487179 520146 534204 549043 598956 606837 623238 649572 662004 698782 809116 898434 934857 974358 1040292 1048173 1098086 1213674 1246476 1397564 1647129 1796868 1820511 1869714 1948716 2096346 2196172 2427348 3144519 3294258 3641022 3739428 3843301 4192692 4941387 6289038 6588516 7282044 7686602 9882774 11529903 12578076 15373204 19765548 23059806 34589709 46119612 69179418 138358836
• Sum of all divisors σ(n): 478033920
• Sum of proper divisors (its aliquot sum) s(n): 339675084
• 138358836 is an abundant number, because the sum of its proper divisors (339675084) is greater than itself. Its abundance is 201316248

Bases of 138358836

• Binary: 1000001111110011000000110100₂
• Hexadecimal: 0x83F3034
• Base-36: 2ADID0

Squares and roots of 138358836

• 138358836 squared (138358836²) is 19143167499274896
• 138358836 cubed (138358836³) is 2648626372552705454581056
• The square root of 138358836 is 11762.6032832873
• The cube root of 138358836 is 517.2124454419

Scales and comparisons

• 138,358,836 seconds is equal to 4 years, 20 weeks, 5 days, 9 hours, 36 seconds.
• To count from 1 to 138,358,836 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 138358836 cubic inches would be around 43.1 feet tall.

Recreational maths with 138358836

• 138358836 backwards is 638853831
• The number of decimal digits it has is: 9
• The sum of 138358836's digits is 45
• More coming soon!