21010310550

Names of 21010310550

• Cardinal: 21010310550 can be written as Twenty-one billion, ten million, three hundred ten thousand, five hundred fifty.

Scientific notation

• Scientific notation: 2.101031055 × 10¹⁰

Factors of 21010310550

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 340

Divisors of 21010310550

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 81 90 131 135 150 162 199 225 262 270 393 398 405 450 597 655 675 786 810 995 1179 1194 1310 1350 1791 1965 1990 2025 2358 2985 3275 3537 3582 3930 4050 4975 5373 5895 5970 6550 7074 8955 9825 9950 10611 10746 11790 14925 16119 17685 17910 19650 21222 26069 26865 29475 29850 32238 35370 39601 44775 52138 53055 53730 58950 78207 79202 80595 88425 89550 106110 118803 130345 134325 156414 161190 176850 198005 234621 237606 260690 265275 268650 356409 391035 396010 402975 469242 530550 594015 651725 703863 712818 782070 805950 990025 1069227 1173105 1188030 1303450 1407726 1782045 1955175 1980050 2111589 2138454 2346210 2970075 3207681 3519315 3564090 3910350 4223178 5187731 5346135 5865525 5940150 6415362 7038630 8910225 10375462 10557945 10692270 11731050 15563193 16038405 17596575 17820450 21115890 25938655 26730675 31126386 32076810 35193150 46689579 51877310 52789725 53461350 77815965 80192025 93379158 105579450 129693275 140068737 155631930 160384050 233447895 259386550 280137474 389079825 420206211 466895790 700343685 778159650 840412422 1167239475 1400687370 2101031055 2334478950 3501718425 4202062110 7003436850 10505155275 21010310550
• Sum of all divisors σ(n): 59120246196
• Sum of proper divisors (its aliquot sum) s(n): 38109935646
• 21010310550 is an abundant number, because the sum of its proper divisors (38109935646) is greater than itself. Its abundance is 17099625096

Bases of 21010310550

• Binary: 10011100100010011111110010110010110₂
• Hexadecimal: 0x4E44FE596
• Base-36: 9NGZVDI

Squares and roots of 21010310550

• 21010310550 squared (21010310550²) is 441433149407441302500
• 21010310550 cubed (21010310550³) is 9274647556114890246421491375000
• The square root of 21010310550 is 144949.3378736171
• The cube root of 21010310550 is 2759.3756267219

Scales and comparisons

• 21,010,310,550 seconds is equal to 668 years, 3 weeks, 1 day, 21 hours, 22 minutes, 30 seconds.
• To count from 1 to 21,010,310,550 would take you about one thousand, three hundred thirty-six 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 21010310550 cubic inches would be around 229.9 feet tall.

Recreational maths with 21010310550

• 21010310550 backwards is 05501301012
• 21010310550 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21010310550's digits is 18
• More coming soon!