21309039475620

Names of 21309039475620

• Cardinal: 21309039475620 can be written as Twenty-one trillion, three hundred nine billion, thirty-nine million, four hundred seventy-five thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.130903947562 × 10¹³

Factors of 21309039475620

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9640

Divisors of 21309039475620

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 169 195 199 260 338 390 398 507 597 676 780 796 845 995 1014 1194 1301 1690 1990 2028 2388 2535 2587 2602 2985 3380 3903 3980 5070 5174 5204 5970 6505 7761 7806 8117 10140 10348 11940 12935 13010 15522 15612 16234 16913 19515 24351 25870 26020 31044 32468 33631 33826 38805 39030 40585 48702 50739 51740 67262 67652 77610 78060 81170 84565 97404 100893 101478 105521 121755 134524 155220 162340 168155 169130 201786 202956 211042 219869 243510 253695 258899 316563 336310 338260 403572 422084 439738 487020 504465 507390 517798 527605 633126 659607 672620 776697 879476 1008930 1014780 1035596 1055210 1099345 1266252 1294495 1319214 1371773 1553394 1582815 1615283 2017860 2110420 2198690 2588990 2638428 2743546 3106788 3165630 3230566 3298035 3365687 3883485 4115319 4397380 4845849 5177980 5487092 6331260 6461132 6596070 6731374 6858865 7766970 8076415 8230638 9691698 10097061 10560217 13192140 13462748 13717730 15533940 16152830 16461276 16828435 19383396 20194122 20576595 20998679 21120434 24229245 27435460 31680651 32305660 33656870 40388244 41153190 41997358 42240868 43753931 48458490 50485305 52801085 62996037 63361302 67313740 82306380 83994716 87507862 96916980 100970610 104993395 105602170 125992074 126722604 131261793 137282821 158403255 175015724 201941220 209986790 211204340 218769655 251984148 262523586 272982827 274565642 314980185 316806510 411848463 419973580 437539310 525047172 545965654 549131284 629960370 633613020 656308965 686414105 818948481 823696926 875078620 1091931308 1259920740 1312617930 1364914135 1372828210 1637896962 1647393852 1784676673 2059242315 2101483183 2625235860 2729828270 2745656420 3275793924 3569353346 4094742405 4118484630 4202966366 5354030019 5459656540 6304449549 7138706692 8189484810 8236969260 8405932732 8923383365 10507415915 10708060038 12608899098 16378969620 17846766730 21014831830 21416120076 25217798196 26770150095 27319281379 31522247745 35693533460 42029663660 53540300190 54638562758 63044495490 81957844137 107080600380 109277125516 126088990980 136596406895 163915688274 273192813790 327831376548 355150657927 409789220685 546385627580 710301315854 819578441370 1065451973781 1420602631708 1639156882740 1775753289635 2130903947562 3551506579270 4261807895124 5327259868905 7103013158540 10654519737810 21309039475620
• Sum of all divisors σ(n): 64990577836800
• Sum of proper divisors (its aliquot sum) s(n): 43681538361180
• 21309039475620 is an abundant number, because the sum of its proper divisors (43681538361180) is greater than itself. Its abundance is 22372498885560

Bases of 21309039475620

• Binary: 100110110000101100101101110100111101110100100₂
• Hexadecimal: 0x136165BA7BA4
• Base-36: 7JX8JX57O

Squares and roots of 21309039475620

• 21309039475620 squared (21309039475620²) is 454075163373531484574384400
• 21309039475620 cubed (21309039475620³) is 9675905581225183176242500273860308328000
• The square root of 21309039475620 is 4616171.5171362513
• The cube root of 21309039475620 is 27723.9192126565

Scales and comparisons

• 21,309,039,475,620 seconds is equal to 677,561 years, 28 weeks, 1 day, 8 hours, 7 minutes.
• To count from 1 to 21,309,039,475,620 would take you about one million, six hundred ninety-three thousand, nine hundred three 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 21309039475620 cubic inches would be around 2310.3 feet tall.

Recreational maths with 21309039475620

• 21309039475620 backwards is 02657493090312
• The number of decimal digits it has is: 14
• The sum of 21309039475620's digits is 51
• More coming soon!