138674401970

Names of 138674401970

• Cardinal: 138674401970 can be written as One hundred thirty-eight billion, six hundred seventy-four million, four hundred one thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 1.3867440197 × 10¹¹

Factors of 138674401970

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 460

Divisors of 138674401970

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 10 13 26 29 37 58 65 74 97 130 145 185 194 277 290 370 377 481 485 554 754 962 970 1073 1261 1369 1385 1885 2146 2405 2522 2738 2770 2813 3589 3601 3770 4810 5365 5626 6305 6845 7178 7202 8033 10249 10730 12610 13690 13949 14065 16066 17797 17945 18005 20498 26869 27898 28130 35594 35890 36010 36569 39701 40165 46657 51245 53738 69745 73138 79402 80330 88985 93314 102490 104081 104429 132793 133237 134345 139490 177970 182845 198505 208162 208858 233285 265586 266474 268690 297221 349297 365690 379213 397010 466570 516113 520405 522145 594442 663965 666185 698594 758426 779201 994153 1032226 1040810 1044290 1327930 1332370 1353053 1486105 1558402 1726309 1746485 1896065 1988306 2580565 2706106 2972210 3452618 3492970 3792130 3850997 3863873 3896005 4929769 4970765 5161130 6765265 7701994 7727746 7792010 8631545 9859538 9941530 10129613 10997177 12923989 13530530 17263090 19254985 19319365 20259226 21994354 24648845 25847978 28830437 36783661 38509970 38638730 49297690 50062961 50648065 54985885 57660874 64619945 73567322 100125922 101296130 109971770 129239890 142963301 144152185 183918305 250314805 285926602 288304370 367836610 374795681 478187593 500629610 714816505 749591362 956375186 1066726169 1429633010 1873978405 2133452338 2390937965 3747956810 4781875930 5333630845 10667261690 13867440197 27734880394 69337200985 138674401970
• Sum of all divisors σ(n): 289792248480
• Sum of proper divisors (its aliquot sum) s(n): 151117846510
• 138674401970 is an abundant number, because the sum of its proper divisors (151117846510) is greater than itself. Its abundance is 12443444540

Bases of 138674401970

• Binary: 10000001001001101000110111001010110010₂
• Hexadecimal: 0x2049A372B2
• Base-36: 1RPF5PDE

Squares and roots of 138674401970

• 138674401970 squared (138674401970²) is 19230589761737139880900
• 138674401970 cubed (138674401970³) is 2666790534739302661322044525373000
• The square root of 138674401970 is 372390.1206664859
• The cube root of 138674401970 is 5176.0536268797

Scales and comparisons

• 138,674,401,970 seconds is equal to 4,409 years, 21 weeks, 4 days, 19 hours, 12 minutes, 50 seconds.
• To count from 1 to 138,674,401,970 would take you about eight thousand, eight hundred eighteen 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 138674401970 cubic inches would be around 431.3 feet tall.

Recreational maths with 138674401970

• 138674401970 backwards is 079104476831
• The number of decimal digits it has is: 12
• The sum of 138674401970's digits is 50
• More coming soon!