138999562780

Names of 138999562780

• Cardinal: 138999562780 can be written as One hundred thirty-eight billion, nine hundred ninety-nine million, five hundred sixty-two thousand, seven hundred eighty.

Scientific notation

• Scientific notation: 1.3899956278 × 10¹¹

Factors of 138999562780

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 490

Divisors of 138999562780

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 10 13 20 26 37 52 53 65 67 74 106 130 134 148 169 185 212 260 265 268 313 335 338 370 481 530 626 670 676 689 740 845 871 962 1060 1252 1340 1378 1565 1690 1742 1924 1961 2405 2479 2756 3130 3380 3445 3484 3551 3922 4069 4355 4810 4958 6253 6260 6890 7102 7844 8138 8710 8957 9620 9805 9916 11323 11581 12395 12506 13780 14204 16276 16589 17420 17755 17914 19610 20345 20971 22646 23162 24790 25012 25493 31265 32227 33178 35510 35828 39220 40690 41942 44785 45292 46163 46324 49580 50986 52897 56615 57905 62530 64454 66356 71020 81380 82945 83884 89570 92326 101972 104855 105794 113230 115810 125060 127465 128908 131387 150553 161135 165890 179140 184652 209710 211588 215657 226460 230815 231620 254930 262774 264485 272623 301106 322270 331409 331780 418951 419420 431314 461630 509860 525548 528970 545246 600119 602212 613793 644540 656935 662818 752765 775927 837902 862628 923260 1057940 1078285 1090492 1111463 1200238 1227586 1313870 1325636 1363115 1505530 1551854 1657045 1675804 1708031 1957189 2094755 2156570 2222926 2400476 2455172 2627740 2726230 2803541 3000595 3011060 3068965 3103708 3314090 3416062 3544099 3879635 3914378 4189510 4313140 4445852 5452460 5557315 5607082 6001190 6137930 6628180 6832124 7088198 7759270 7828756 7979309 8379020 8540155 9785945 10087051 11114630 11214164 12002380 12275860 14017705 14176396 14449019 15518540 15958618 17080310 17720495 19571890 20174102 22204403 22229260 28035410 28898038 31917236 34160620 35440990 39143780 39896545 40348204 41124131 44408806 50435255 56070820 57796076 70881980 72245095 79793090 82248262 88817612 100870510 103731017 111022015 131131663 144490190 159586180 164496524 187837247 201741020 205620655 207462034 222044030 262263326 288980380 375674494 411241310 414924068 444088060 518655085 524526652 534613703 655658315 751348988 822482620 939186235 1037310170 1069227406 1311316630 1878372470 2074620340 2138454812 2622633260 2673068515 3756744940 5346137030 6949978139 10692274060 13899956278 27799912556 34749890695 69499781390 138999562780
• Sum of all divisors σ(n): 336756740544
• Sum of proper divisors (its aliquot sum) s(n): 197757177764
• 138999562780 is an abundant number, because the sum of its proper divisors (197757177764) is greater than itself. Its abundance is 58757614984

Bases of 138999562780

• Binary: 10000001011101000001010000001000011100₂
• Hexadecimal: 0x205D05021C
• Base-36: 1RUSR124

Squares and roots of 138999562780

• 138999562780 squared (138999562780²) is 19320878453031161328400
• 138999562780 cubed (138999562780³) is 2685593657496854190363243996952000
• The square root of 138999562780 is 372826.4512879953
• The cube root of 138999562780 is 5180.0960360941

Scales and comparisons

• 138,999,562,780 seconds is equal to 4,419 years, 39 weeks, 2 days, 5 hours, 39 minutes, 40 seconds.
• To count from 1 to 138,999,562,780 would take you about eight thousand, eight hundred thirty-nine 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 138999562780 cubic inches would be around 431.7 feet tall.

Recreational maths with 138999562780

• 138999562780 backwards is 087265999831
• 138999562780 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138999562780's digits is 67
• More coming soon!