21118745700

Names of 21118745700

• Cardinal: 21118745700 can be written as Twenty-one billion, one hundred eighteen million, seven hundred forty-five thousand, seven hundred.

Scientific notation

• Scientific notation: 2.11187457 × 10¹⁰

Factors of 21118745700

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 34133

Divisors of 21118745700

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 25 26 30 36 39 45 50 52 53 60 65 75 78 90 100 106 117 130 150 156 159 180 195 212 225 234 260 265 300 318 325 390 450 468 477 530 585 636 650 689 780 795 900 954 975 1060 1170 1300 1325 1378 1590 1908 1950 2067 2340 2385 2650 2756 2925 3180 3445 3900 3975 4134 4770 5300 5850 6201 6890 7950 8268 9540 10335 11700 11925 12402 13780 15900 17225 20670 23850 24804 31005 34057 34450 41340 47700 51675 62010 68114 68900 102171 103350 124020 136228 155025 170285 204342 206700 306513 310050 340570 408684 442741 510855 613026 620100 681140 851425 885482 1021710 1226052 1328223 1532565 1702850 1770964 1805021 2043420 2213705 2554275 2656446 3065130 3405700 3610042 3984669 4427410 5108550 5312892 5415063 6130260 6641115 7220084 7662825 7969338 8854820 9025105 10217100 10830126 11068525 13282230 15325650 15938676 16245189 18050210 19923345 21660252 22137050 23465273 26564460 27075315 30651300 32490378 33205575 36100420 39846690 44274100 45125525 46930546 54150630 64980756 66411150 70395819 79693380 81225945 90251050 93861092 99616725 108301260 117326365 132822300 135376575 140791638 162451890 180502100 199233450 211187457 234652730 270753150 281583276 324903780 351979095 398466900 406129725 422374914 469305460 541506300 586631825 703958190 812259450 844749828 1055937285 1173263650 1407916380 1624518900 1759895475 2111874570 2346527300 3519790950 4223749140 5279686425 7039581900 10559372850 21118745700
• Sum of all divisors σ(n): 72634679208
• Sum of proper divisors (its aliquot sum) s(n): 51515933508
• 21118745700 is an abundant number, because the sum of its proper divisors (51515933508) is greater than itself. Its abundance is 30397187808

Bases of 21118745700

• Binary: 10011101010110001100111110001100100₂
• Hexadecimal: 0x4EAC67C64
• Base-36: 9P9K0H0

Squares and roots of 21118745700

• 21118745700 squared (21118745700²) is 446001419941268490000
• 21118745700 cubed (21118745700³) is 9418990569578558175732993000000
• The square root of 21118745700 is 145322.9014986971
• The cube root of 21118745700 is 2764.1145703161

Scales and comparisons

• 21,118,745,700 seconds is equal to 671 years, 26 weeks, 3 days, 22 hours, 15 minutes.
• To count from 1 to 21,118,745,700 would take you about one thousand, three hundred forty-three 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 21118745700 cubic inches would be around 230.3 feet tall.

Recreational maths with 21118745700

• 21118745700 backwards is 00754781112
• 21118745700 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21118745700's digits is 36
• More coming soon!