21503740160

Names of 21503740160

• Cardinal: 21503740160 can be written as Twenty-one billion, five hundred three million, seven hundred forty thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.150374016 × 10¹⁰

Factors of 21503740160

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 7011

Divisors of 21503740160

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 256 280 320 343 392 448 490 560 640 686 784 896 980 1120 1280 1372 1568 1715 1792 1960 2240 2401 2744 3136 3430 3920 4480 4802 5488 6272 6860 6997 7840 8960 9604 10976 12005 12544 13720 13994 15680 19208 21952 24010 27440 27988 31360 34985 38416 43904 48020 48979 54880 55976 62720 69970 76832 87808 96040 97958 109760 111952 139940 153664 192080 195916 219520 223904 244895 279880 307328 342853 384160 391832 439040 447808 489790 559760 614656 685706 768320 783664 895616 979580 1119520 1371412 1536640 1567328 1714265 1791232 1959160 2239040 2399971 2742824 3073280 3134656 3428530 3918320 4478080 4799942 5485648 6269312 6857060 7836640 8956160 9599884 10971296 11999855 12538624 13714120 15673280 16799797 19199768 21942592 23999710 27428240 31346560 33599594 38399536 43885184 47999420 54856480 62693120 67199188 76799072 83998985 87770368 95998840 109712960 134398376 153598144 167997970 191997680 219425920 268796752 307196288 335995940 383995360 438851840 537593504 614392576 671991880 767990720 1075187008 1343983760 1535981440 2150374016 2687967520 3071962880 4300748032 5375935040 10751870080 21503740160
• Sum of all divisors σ(n): 60097886268
• Sum of proper divisors (its aliquot sum) s(n): 38594146108
• 21503740160 is an abundant number, because the sum of its proper divisors (38594146108) is greater than itself. Its abundance is 17090405948

Bases of 21503740160

• Binary: 10100000001101110010000100100000000₂
• Hexadecimal: 0x501B90900
• Base-36: 9VMRS3K

Squares and roots of 21503740160

• 21503740160 squared (21503740160²) is 462410840868796825600
• 21503740160 cubed (21503740160³) is 9943562569209715589535236096000
• The square root of 21503740160 is 146641.5362712761
• The cube root of 21503740160 is 2780.8101153337

Scales and comparisons

• 21,503,740,160 seconds is equal to 683 years, 39 weeks, 21 hours, 9 minutes, 20 seconds.
• To count from 1 to 21,503,740,160 would take you about one thousand, three hundred sixty-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 21503740160 cubic inches would be around 231.7 feet tall.

Recreational maths with 21503740160

• 21503740160 backwards is 06104730512
• The number of decimal digits it has is: 11
• The sum of 21503740160's digits is 29
• More coming soon!