138103438725

Names of 138103438725

• Cardinal: 138103438725 can be written as One hundred thirty-eight billion, one hundred three million, four hundred thirty-eight thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 1.38103438725 × 10¹¹

Factors of 138103438725

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 237

Divisors of 138103438725

• Number of divisors d(n): 270
• Complete list of divisors:
  1 3 5 7 9 15 21 25 27 35 45 49 63 75 81 105 109 113 135 147 175 189 225 245 315 327 339 405 441 525 545 565 567 675 735 763 791 945 981 1017 1225 1323 1575 1635 1695 2025 2205 2289 2373 2725 2825 2835 2943 3051 3675 3815 3955 3969 4725 4905 5085 5341 5537 6615 6867 7119 8175 8475 8829 9153 11025 11445 11865 12317 12769 14175 14715 15255 16023 16611 19075 19775 19845 20601 21357 24525 25425 26705 27685 33075 34335 35595 36951 38307 44145 45765 48069 49833 57225 59325 61585 61803 63845 64071 73575 76275 80115 83055 86219 89383 99225 103005 106785 110853 114921 133525 138425 144207 149499 171675 177975 184755 191535 220725 228825 240345 249165 258657 268149 307925 309015 319225 320355 332559 344763 400575 415275 431095 432621 446915 448497 515025 533925 554265 574605 603533 625681 721035 747495 775971 804447 923775 957675 997677 1034289 1201725 1245825 1293285 1340745 1391821 1545075 1601775 1662795 1723815 1810599 1877043 2155475 2163105 2234575 2242485 2327913 2413341 2771325 2873025 3017665 3128405 3605175 3737475 3879855 4022235 4175463 4988385 5171445 5431797 5631129 6466425 6703725 6959105 6983739 7240023 8313975 8619075 9052995 9385215 9742747 10815525 11212425 11639565 12066705 12526389 15088325 15642025 16295391 16893387 19399275 20111175 20877315 24941925 25857225 27158985 28155645 29228241 34795525 34918695 36200115 37579167 45264975 46926075 48713735 48886173 50680161 58197825 60333525 62631945 68199229 81476955 84466935 87684723 104386575 112737501 135794925 140778225 146141205 174593475 181000575 187895835 204597687 243568675 244430865 253400805 263054169 313159725 340996145 407384775 422334675 438423615 563687505 613793061 730706025 789162507 939479175 1022988435 1222154325 1267004025 1315270845 1704980725 1841379183 2192118075 2818437525 3068965305 3945812535 5114942175 5524137549 6576354225 9206895915 15344826525 19729062675 27620687745 46034479575 138103438725
• Sum of all divisors σ(n): 302992313910
• Sum of proper divisors (its aliquot sum) s(n): 164888875185
• 138103438725 is an abundant number, because the sum of its proper divisors (164888875185) is greater than itself. Its abundance is 26785436460

Bases of 138103438725

• Binary: 10000000100111100110110011110110000101₂
• Hexadecimal: 0x20279B3D85
• Base-36: 1RFZ7ZB9

Squares and roots of 138103438725

• 138103438725 squared (138103438725²) is 19072559787669829625625
• 138103438725 cubed (138103438725³) is 2633986091965359326233691877328125
• The square root of 138103438725 is 371622.7101846711
• The cube root of 138103438725 is 5168.9400773657

Scales and comparisons

• 138,103,438,725 seconds is equal to 4,391 years, 13 weeks, 4 days, 10 hours, 18 minutes, 45 seconds.
• To count from 1 to 138,103,438,725 would take you about eight thousand, seven hundred eighty-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 138103438725 cubic inches would be around 430.7 feet tall.

Recreational maths with 138103438725

• 138103438725 backwards is 527834301831
• 138103438725 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138103438725's digits is 45
• More coming soon!