21003443220

Names of 21003443220

• Cardinal: 21003443220 can be written as Twenty-one billion, three million, four hundred forty-three thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.100344322 × 10¹⁰

Factors of 21003443220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4520

Divisors of 21003443220

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 17 19 20 30 34 38 51 57 60 68 76 85 95 102 114 170 190 204 228 255 257 285 323 340 380 510 514 570 646 771 969 1020 1028 1140 1285 1292 1542 1615 1938 2570 3084 3230 3855 3876 4217 4369 4845 4883 5140 6460 7710 8434 8738 9690 9766 12651 13107 14649 15420 16868 17476 19380 19532 21085 21845 24415 25302 26214 29298 42170 43690 48830 50604 52428 58596 63255 65535 71689 73245 80123 83011 84340 87380 97660 126510 131070 143378 146490 160246 166022 215067 240369 249033 253020 262140 286756 292980 320492 332044 358445 400615 415055 430134 480738 498066 716890 801230 830110 860268 961476 996132 1075335 1083769 1201845 1245165 1362091 1433780 1602460 1660220 2150670 2167538 2403690 2490330 2724182 3251307 4086273 4301340 4335076 4807380 4980660 5418845 5448364 6502614 6810455 8172546 10837690 13005228 13620910 16256535 16345092 18424073 20431365 20591611 21675380 27241820 32513070 36848146 40862730 41183222 55272219 61774833 65026140 73696292 81725460 82366444 92120365 102958055 110544438 123549666 184240730 205916110 221088876 247099332 276361095 308874165 350057387 368481460 411832220 552722190 617748330 700114774 1050172161 1105444380 1235496660 1400229548 1750286935 2100344322 3500573870 4200688644 5250860805 7001147740 10501721610 21003443220
• Sum of all divisors σ(n): 65816997120
• Sum of proper divisors (its aliquot sum) s(n): 44813553900
• 21003443220 is an abundant number, because the sum of its proper divisors (44813553900) is greater than itself. Its abundance is 23810110680

Bases of 21003443220

• Binary: 10011100011111001110001110000010100₂
• Hexadecimal: 0x4E3E71C14
• Base-36: 9NCWOIC

Squares and roots of 21003443220

• 21003443220 squared (21003443220²) is 441144627095763968400
• 21003443220 cubed (21003443220³) is 9265556127013952012811274248000
• The square root of 21003443220 is 144925.6472126311
• The cube root of 21003443220 is 2759.0749551709

Scales and comparisons

• 21,003,443,220 seconds is equal to 667 years, 43 weeks, 6 days, 9 hours, 47 minutes.
• To count from 1 to 21,003,443,220 would take you about one thousand, three hundred thirty-five 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 21003443220 cubic inches would be around 229.9 feet tall.

Recreational maths with 21003443220

• 21003443220 backwards is 02234430012
• The number of decimal digits it has is: 11
• The sum of 21003443220's digits is 21
• More coming soon!