138618501450

Names of 138618501450

• Cardinal: 138618501450 can be written as One hundred thirty-eight billion, six hundred eighteen million, five hundred one thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.3861850145 × 10¹¹

Factors of 138618501450

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9726

Divisors of 138618501450

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 10 11 13 15 22 25 26 30 33 39 50 55 61 65 66 75 78 110 121 122 130 143 150 165 183 195 242 275 286 305 325 330 363 366 390 429 550 605 610 650 671 715 726 793 825 858 915 975 1210 1342 1430 1525 1573 1586 1650 1815 1830 1950 2013 2145 2379 3025 3050 3146 3355 3575 3630 3965 4026 4290 4575 4719 4758 6050 6710 7150 7381 7865 7930 8723 9075 9150 9438 9631 10065 10725 11895 14762 15730 16775 17446 18150 19262 19825 20130 21450 22143 23595 23790 26169 28893 33550 36905 39325 39650 43615 44286 47190 48155 50325 52338 57786 59475 73810 78650 87230 95953 96310 100650 105941 110715 117975 118950 125203 130845 144465 184525 191906 211882 218075 221430 235950 240775 250406 261690 287859 288930 317823 369050 375609 436150 479765 481550 529705 553575 575718 587491 626015 635646 654225 722325 751218 959530 1059410 1107150 1165351 1174982 1252030 1308450 1377233 1439295 1444650 1589115 1762473 1878045 2330702 2398825 2648525 2754466 2878590 2937455 3130075 3178230 3496053 3524946 3756090 4131699 4797650 5297050 5826755 5874910 6260150 6462401 6886165 6992106 7196475 7637383 7945575 8263398 8812365 9390225 11653510 12924802 13772330 14392950 14687275 15149563 15274766 15891150 17480265 17624730 18780450 19387203 20658495 22912149 29133775 29374550 30299126 32312005 34430825 34960530 38186915 38774406 41316990 44061825 45448689 45824298 58267550 64624010 68861650 71086411 75747815 76373830 84011213 87401325 88123650 90897378 96936015 103292475 114560745 142172822 151495630 161560025 168022426 174802650 190934575 193872030 206584950 213259233 227243445 229121490 252033639 323120050 355432055 378739075 381869150 420056065 426518466 454486890 484680075 504067278 572803725 710864110 757478150 840112130 924123343 969360150 1066296165 1136217225 1145607450 1260168195 1777160275 1848246686 2100280325 2132592330 2272434450 2520336390 2772370029 3554320550 4200560650 4620616715 5331480825 5544740058 6300840975 9241233430 10662961650 12601681950 13861850145 23103083575 27723700290 46206167150 69309250725 138618501450
• Sum of all divisors σ(n): 413647858176
• Sum of proper divisors (its aliquot sum) s(n): 275029356726
• 138618501450 is an abundant number, because the sum of its proper divisors (275029356726) is greater than itself. Its abundance is 136410855276

Bases of 138618501450

• Binary: 10000001000110010011100111100101001010₂
• Hexadecimal: 0x20464E794A
• Base-36: 1ROHVK96

Squares and roots of 138618501450

• 138618501450 squared (138618501450²) is 19215088944243652102500
• 138618501450 cubed (138618501450³) is 2663566834679517658123691798625000
• The square root of 138618501450 is 372315.0567060107
• The cube root of 138618501450 is 5175.3580335265

Scales and comparisons

• 138,618,501,450 seconds is equal to 4,407 years, 33 weeks, 1 day, 19 hours, 17 minutes, 30 seconds.
• To count from 1 to 138,618,501,450 would take you about eight thousand, eight hundred fifteen 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 138618501450 cubic inches would be around 431.3 feet tall.

Recreational maths with 138618501450

• 138618501450 backwards is 054105816831
• The number of decimal digits it has is: 12
• The sum of 138618501450's digits is 42
• More coming soon!