21721421114194700

Names of 21721421114194700

• Cardinal: 21721421114194700 can be written as Twenty-one quadrillion, seven hundred twenty-one trillion, four hundred twenty-one billion, one hundred fourteen million, one hundred ninety-four thousand, seven hundred.

Scientific notation

• Scientific notation: 2.17214211141947 × 10¹⁶

Factors of 21721421114194700

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1610

Divisors of 21721421114194700

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 10 20 25 31 50 62 100 124 155 310 619 620 775 953 961 1238 1550 1906 1922 2476 3095 3100 3812 3844 4765 4805 6190 9530 9610 12380 15475 19060 19189 19220 23825 24025 29543 30950 38378 47650 48050 59086 61900 76756 95300 95945 96100 118172 147715 191890 295430 383161 383780 479725 589907 590860 594859 738575 766322 915833 959450 1179814 1189718 1477150 1532644 1831666 1915805 1918900 2359628 2379436 2949535 2954300 2974295 3663332 3831610 4579165 5899070 5948590 7663220 9158330 9579025 11798140 11877991 11897180 14747675 14871475 18287117 18316660 19158050 22895825 23755982 29495350 29742950 36574234 38316100 45791650 47511964 58990700 59389955 59485900 73148468 91435585 91583300 118779910 182871170 237176659 237559820 296949775 365152433 365742340 368217721 457177925 474353318 566900627 593899550 730304866 736435442 914355850 948706636 1133801254 1185883295 1187799100 1460609732 1472870884 1825762165 1828711700 1841088605 2267602508 2371766590 2834503135 3651524330 3682177210 4743533180 5669006270 5929416475 7303048660 7352476429 7364354420 9128810825 9205443025 11319725423 11338012540 11858832950 14172515675 14704952858 18257621650 18410886050 22639450846 23717665900 28345031350 29409905716 36515243300 36762382145 36821772100 45278901692 56598627115 56690062700 73524764290 113197254230 147049528580 183811910725 226029356027 226394508460 227926769299 282993135575 350911488113 367623821450 452058712054 455853538598 565986271150 701822976226 735247642900 904117424108 911707077196 1130146780135 1131972542300 1139633846495 1403645952452 1754557440565 2260293560270 2279267692990 3509114881130 4520587120540 4558535385980 5650733900675 5698169232475 7006910036837 7018229762260 8772787202825 11301467801350 11396338464950 14013820073674 17545574405650 22602935602700 22792676929900 28027640147348 35034550184185 35091148811300 70069100368370 140138200736740 175172750920925 217214211141947 350345501841850 434428422283894 700691003683700 868856844567788 1086071055709735 2172142111419470 4344284222838940 5430355278548675 10860710557097350 21721421114194700
• Sum of all divisors σ(n): 48835032157744560
• Sum of proper divisors (its aliquot sum) s(n): 27113611043549860
• 21721421114194700 is an abundant number, because the sum of its proper divisors (27113611043549860) is greater than itself. Its abundance is 5392189929355160

Bases of 21721421114194700

• Binary: 1001101001010111000010001110101100001110011101100001100₂
• Hexadecimal: 0x4D2B8475873B0C
• Base-36: 5XVLN3OX1QK

Squares and roots of 21721421114194700

• 21721421114194700 squared (21721421114194700²) is 471820135220183322377829508090000
• 21721421114194700 cubed (21721421114194700³) is 10248603847273888437975824255385323217485123000000
• The square root of 21721421114194700 is 147381888.6912320037
• The cube root of 21721421114194700 is 279016.1949558071

Scales and comparisons

• 21,721,421,114,194,700 seconds is equal to 690,674,002 years, 34 weeks, 3 days, 20 hours, 18 minutes, 20 seconds.
• To count from 1 to 21,721,421,114,194,700 would take you about two billion, seventy-two million, twenty-two thousand and 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 21721421114194700 cubic inches would be around 23251.3 feet tall.

Recreational maths with 21721421114194700

• 21721421114194700 backwards is 00749141112412712
• The number of decimal digits it has is: 17
• The sum of 21721421114194700's digits is 47
• More coming soon!