21389177250

Names of 21389177250

• Cardinal: 21389177250 can be written as Twenty-one billion, three hundred eighty-nine million, one hundred seventy-seven thousand, two hundred fifty.

Scientific notation

• Scientific notation: 2.138917725 × 10¹⁰

Factors of 21389177250

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 300

Divisors of 21389177250

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 41 42 45 50 54 61 63 70 75 82 90 105 122 123 125 126 135 150 175 181 183 189 205 210 225 246 250 270 287 305 315 350 362 366 369 375 378 410 427 450 525 543 549 574 610 615 630 675 738 750 854 861 875 905 915 945 1025 1050 1086 1098 1107 1125 1230 1267 1281 1350 1435 1525 1575 1629 1647 1722 1750 1810 1830 1845 1890 2050 2135 2214 2250 2501 2534 2562 2583 2625 2715 2745 2870 3050 3075 3150 3258 3294 3375 3690 3801 3843 4270 4305 4525 4575 4725 4887 5002 5125 5166 5250 5430 5490 5535 6150 6335 6405 6750 7175 7421 7503 7602 7625 7686 7749 7875 8145 8235 8610 9050 9150 9225 9450 9774 10250 10675 11041 11070 11403 11529 12505 12670 12810 12915 13575 13725 14350 14842 15006 15250 15375 15498 15750 16290 16470 17507 18450 19005 19215 21350 21525 22082 22263 22509 22625 22806 22875 23058 23625 24435 25010 25830 27150 27450 27675 30750 31675 32025 33123 34209 35014 35875 37105 37515 38010 38430 38745 40725 41175 43050 44526 45018 45250 45750 46125 47250 48870 51947 52521 53375 55205 55350 57015 57645 62525 63350 64050 64575 66246 66789 67527 67875 68418 68625 71750 74210 75030 77287 77490 81450 82350 87535 92250 95025 96075 99369 103894 105042 106750 107625 110410 111315 112545 114030 115290 122175 125050 129150 133578 135054 135750 137250 138375 154574 155841 157563 158375 160125 165615 171045 175070 185525 187575 190050 192150 193725 198738 200367 203625 205875 215250 222630 225090 231861 244350 259735 262605 276025 276750 285075 288225 298107 311682 312625 315126 316750 320250 322875 331230 333945 337635 342090 371050 375150 386435 387450 400734 407250 411750 437675 452681 463722 467523 472689 475125 480375 496845 519470 525210 552050 556575 562725 570150 576450 596214 610875 625250 645750 667890 675270 695583 772870 779205 787815 828075 855225 875350 905362 927625 935046 937875 945378 950250 960750 968625 993690 1001835 1113150 1125450 1159305 1221750 1298675 1313025 1358043 1380125 1391166 1402569 1425375 1441125 1490535 1558410 1575630 1656150 1669725 1688175 1710450 1855250 1875750 1932175 1937250 2003670 2086749 2188375 2263405 2318610 2337615 2363445 2484225 2597350 2626050 2716086 2760250 2782875 2805138 2813625 2850750 2882250 2981070 3168767 3339450 3376350 3477915 3864350 3896025 3939075 4074129 4140375 4173498 4276125 4376750 4526810 4675230 4726890 4968450 5009175 5565750 5627250 5796525 6337534 6493375 6565125 6790215 6955830 7012845 7452675 7792050 7878150 8148258 8280750 8348625 8440875 8552250 9506301 9660875 10018350 10433745 11317025 11593050 11688075 11817225 12222387 12421125 12986750 13130250 13580430 14025690 14905350 15843835 16697250 16881750 17389575 19012602 19321750 19480125 19695375 20370645 20867490 22634050 23376150 23634450 24444774 24842250 25045875 28518903 28982625 31687670 33951075 34779150 35064225 37263375 38960250 39390750 40741290 47531505 50091750 52168725 56585125 57037806 57965250 58440375 59086125 61111935 67902150 70128450 74526750 79219175 85556709 86947875 95063010 101853225 104337450 113170250 116880750 118172250 122223870 142594515 158438350 169755375 171113418 173895750 175321125 203706450 237657525 260843625 285189030 305559675 339510750 350642250 396095875 427783545 475315050 509266125 521687250 611119350 712972575 792191750 855567090 1018532250 1188287625 1425945150 1527798375 2138917725 2376575250 3055596750 3564862875 4277835450 7129725750 10694588625 21389177250
• Sum of all divisors σ(n): 70975457280
• Sum of proper divisors (its aliquot sum) s(n): 49586280030
• 21389177250 is an abundant number, because the sum of its proper divisors (49586280030) is greater than itself. Its abundance is 28197102780

Bases of 21389177250

• Binary: 10011111010111001001111000110100010₂
• Hexadecimal: 0x4FAE4F1A2
• Base-36: 9TQKASI

Squares and roots of 21389177250

• 21389177250 squared (21389177250²) is 457496903431917562500
• 21389177250 cubed (21389177250³) is 9785482358831418051700453125000
• The square root of 21389177250 is 146250.3923071661
• The cube root of 21389177250 is 2775.8629894461

Scales and comparisons

• 21,389,177,250 seconds is equal to 680 years, 5 weeks, 4 days, 22 hours, 7 minutes, 30 seconds.
• To count from 1 to 21,389,177,250 would take you about one thousand, three hundred sixty 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 21389177250 cubic inches would be around 231.3 feet tall.

Recreational maths with 21389177250

• 21389177250 backwards is 05277198312
• 21389177250 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21389177250's digits is 45
• More coming soon!