138949536768

Names of 138949536768

• Cardinal: 138949536768 can be written as One hundred thirty-eight billion, nine hundred forty-nine million, five hundred thirty-six thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38949536768 × 10¹¹

Factors of 138949536768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 21522

Divisors of 138949536768

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 43 48 49 56 64 84 86 96 98 112 128 129 147 168 172 192 196 224 256 258 294 301 336 344 384 392 448 512 516 588 602 672 688 768 784 896 903 1024 1032 1176 1204 1344 1376 1536 1568 1792 1806 2064 2107 2352 2408 2688 2752 3072 3136 3584 3612 4128 4214 4704 4816 5376 5504 6272 6321 7168 7224 8256 8428 9408 9632 10752 11008 12544 12642 14448 16512 16856 18816 19264 21467 21504 22016 25088 25284 28896 33024 33712 37632 38528 42934 44032 50176 50568 57792 64401 66048 67424 75264 77056 85868 101136 115584 128802 132096 134848 150269 150528 154112 171736 202272 231168 257604 269696 300538 308224 343472 404544 450807 462336 515208 539392 601076 686944 809088 901614 923081 924672 1030416 1051883 1078784 1202152 1373888 1618176 1803228 1846162 2060832 2103766 2157568 2404304 2747776 2769243 3155649 3236352 3606456 3692324 4121664 4207532 4808608 5495552 5538486 6311298 6461567 6472704 7212912 7384648 8243328 8415064 9617216 10991104 11076972 12622596 12923134 14425824 14769296 16486656 16830128 19234432 19384701 21982208 22153944 25245192 25846268 28851648 29538592 32973312 33660256 38468864 38769402 44307888 45230969 50490384 51692536 57703296 59077184 65946624 67320512 76937728 77538804 88615776 90461938 100980768 103385072 115406592 118154368 134641024 135692907 153875456 155077608 177231552 180923876 201961536 206770144 230813184 236308736 269282048 271385814 310155216 354463104 361847752 403923072 413540288 461626368 472617472 538564096 542771628 620310432 708926208 723695504 807846144 827080576 945234944 1077128192 1085543256 1240620864 1417852416 1447391008 1615692288 1654161152 2171086512 2481241728 2835704832 2894782016 3231384576 3308322304 4342173024 4962483456 5789564032 6616644608 8684346048 9924966912 11579128064 17368692096 19849933824 23158256128 34737384192 46316512256 69474768384 138949536768
• Sum of all divisors σ(n): 440856199872
• Sum of proper divisors (its aliquot sum) s(n): 301906663104
• 138949536768 is an abundant number, because the sum of its proper divisors (301906663104) is greater than itself. Its abundance is 162957126336

Bases of 138949536768

• Binary: 10000001011010000010011010110000000000₂
• Hexadecimal: 0x205A09AC00
• Base-36: 1RTYYSQO

Squares and roots of 138949536768

• 138949536768 squared (138949536768²) is 19306973768041783885824
• 138949536768 cubed (138949536768³) is 2682695061461333353403611801976832
• The square root of 138949536768 is 372759.3550375363
• The cube root of 138949536768 is 5179.4745218111

Scales and comparisons

• 138,949,536,768 seconds is equal to 4,418 years, 8 weeks, 4 days, 5 hours, 32 minutes, 48 seconds.
• To count from 1 to 138,949,536,768 would take you about eight thousand, eight hundred thirty-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 138949536768 cubic inches would be around 431.6 feet tall.

Recreational maths with 138949536768

• 138949536768 backwards is 867635949831
• The number of decimal digits it has is: 12
• The sum of 138949536768's digits is 69
• More coming soon!