21353948550

Names of 21353948550

• Cardinal: 21353948550 can be written as Twenty-one billion, three hundred fifty-three million, nine hundred forty-eight thousand, five hundred fifty.

Scientific notation

• Scientific notation: 2.135394855 × 10¹⁰

Factors of 21353948550

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 119

Divisors of 21353948550

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 25 30 31 33 45 50 55 62 66 67 75 90 93 99 110 134 150 155 165 186 198 201 225 275 279 310 330 335 341 402 450 465 495 550 558 603 670 682 737 775 825 930 961 990 1005 1023 1206 1395 1474 1550 1650 1675 1705 1922 2010 2046 2077 2211 2325 2475 2790 2883 3015 3069 3350 3410 3685 4154 4422 4489 4650 4805 4950 5025 5115 5766 6030 6138 6231 6633 6975 7370 8525 8649 8978 9610 10050 10230 10385 10571 11055 12462 13266 13467 13950 14415 15075 15345 17050 17298 18425 18693 20770 21142 22110 22445 22847 24025 25575 26934 28830 30150 30690 31155 31713 33165 36850 37386 40401 43245 44890 45694 48050 49379 51150 51925 52855 55275 62310 63426 64387 66330 67335 68541 72075 76725 80802 86490 93465 95139 98758 103850 105710 110550 112225 114235 128774 134670 137082 139159 144150 148137 153450 155775 158565 165825 186930 190278 193161 202005 205623 216225 224450 228470 246895 264275 278318 296274 311550 317130 321935 331650 336675 342705 386322 404010 411246 417477 432450 444411 467325 475695 493790 528550 571175 579483 643870 673350 685410 695795 708257 740685 792825 834954 888822 934650 951390 965805 1010025 1028115 1142350 1158966 1234475 1252431 1391590 1416514 1481370 1530749 1585650 1609675 1713525 1931610 2020050 2056230 2087385 2124771 2222055 2378475 2468950 2504862 2897415 3061498 3219350 3427050 3478975 3541285 3703425 4174770 4249542 4313929 4444110 4592247 4756950 4829025 5140575 5794830 6262155 6374313 6957950 7082570 7406850 7653745 8627858 9184494 9658050 10281150 10436925 10623855 11110275 12524310 12748626 12941787 13776741 14487075 15307490 17706425 20873850 21247710 21569645 22220550 22961235 25883574 27553482 28974150 31310775 31871565 35412850 38268725 38825361 43139290 45922470 47453219 53119275 62621550 63743130 64708935 68883705 76537450 77650722 94906438 106238550 107848225 114806175 129417870 137767410 142359657 159357825 194126805 215696450 229612350 237266095 284719314 318715650 323544675 344418525 388253610 427078971 474532190 647089350 688837050 711798285 854157942 970634025 1186330475 1423596570 1941268050 2135394855 2372660950 3558991425 4270789710 7117982850 10676974275 21353948550
• Sum of all divisors σ(n): 65650165308
• Sum of proper divisors (its aliquot sum) s(n): 44296216758
• 21353948550 is an abundant number, because the sum of its proper divisors (44296216758) is greater than itself. Its abundance is 22942268208

Bases of 21353948550

• Binary: 10011111000110010110110010110000110₂
• Hexadecimal: 0x4F8CB6586
• Base-36: 9T5L85I

Squares and roots of 21353948550

• 21353948550 squared (21353948550²) is 455991118676047102500
• 21353948550 cubed (21353948550³) is 9737210887465253944161576375000
• The square root of 21353948550 is 146129.9029972989
• The cube root of 21353948550 is 2774.3381718497

Scales and comparisons

• 21,353,948,550 seconds is equal to 678 years, 51 weeks, 3 days, 4 hours, 22 minutes, 30 seconds.
• To count from 1 to 21,353,948,550 would take you about one thousand, three hundred fifty-seven 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 21353948550 cubic inches would be around 231.2 feet tall.

Recreational maths with 21353948550

• 21353948550 backwards is 05584935312
• 21353948550 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21353948550's digits is 45
• More coming soon!