21377378040

Names of 21377378040

• Cardinal: 21377378040 can be written as Twenty-one billion, three hundred seventy-seven million, three hundred seventy-eight thousand and forty.

Scientific notation

• Scientific notation: 2.137737804 × 10¹⁰

Factors of 21377378040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2214

Divisors of 21377378040

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 19 20 24 30 31 38 40 57 60 62 76 93 95 114 120 124 151 152 155 186 190 228 248 285 302 310 372 380 453 456 465 570 589 604 620 744 755 760 906 930 1140 1178 1208 1240 1510 1767 1812 1860 2003 2265 2280 2356 2869 2945 3020 3534 3624 3720 4006 4530 4681 4712 5738 5890 6009 6040 7068 8012 8607 8835 9060 9362 10015 11476 11780 12018 14043 14136 14345 16024 17214 17670 18120 18724 20030 22952 23405 23560 24036 28086 28690 30045 34428 35340 37448 38057 40060 43035 46810 48072 56172 57380 60090 62093 68856 70215 70680 76114 80120 86070 88939 93620 112344 114171 114760 120180 124186 140430 152228 172140 177878 186279 187240 190285 228342 240360 248372 266817 280860 302453 304456 310465 344280 355756 372558 380570 444695 456684 496744 533634 561720 570855 604906 620930 711512 745116 761140 889390 907359 913368 931395 1067268 1141710 1179767 1209812 1241860 1334085 1490232 1512265 1522280 1778780 1814718 1862790 2134536 2283420 2359534 2419624 2483720 2668170 3024530 3539301 3557560 3629436 3725580 4536795 4566840 4719068 5336340 5746607 5898835 6049060 7078602 7258872 7451160 9073590 9376043 9438136 10672680 11493214 11797670 12098120 14157204 17239821 17696505 18147180 18752086 22986428 23595340 28128129 28314408 28733035 34479642 35393010 36294360 37504172 45972856 46880215 47190680 56256258 57466070 68959284 70786020 75008344 86199105 93760430 112512516 114932140 137918568 140640645 141572040 172398210 178144817 187520860 225025032 229864280 281281290 344796420 356289634 375041720 534434451 562562580 689592840 712579268 890724085 1068868902 1125125160 1425158536 1781448170 2137737804 2672172255 3562896340 4275475608 5344344510 7125792680 10688689020 21377378040
• Sum of all divisors σ(n): 70181683200
• Sum of proper divisors (its aliquot sum) s(n): 48804305160
• 21377378040 is an abundant number, because the sum of its proper divisors (48804305160) is greater than itself. Its abundance is 27426927120

Bases of 21377378040

• Binary: 10011111010001100001110011011111000₂
• Hexadecimal: 0x4FA30E6F8
• Base-36: 9TJJEGO

Squares and roots of 21377378040

• 21377378040 squared (21377378040²) is 456992291865074241600
• 21377378040 cubed (21377378040³) is 9769296984565708735349494464000
• The square root of 21377378040 is 146210.0476711501
• The cube root of 21377378040 is 2775.3524662271

Scales and comparisons

• 21,377,378,040 seconds is equal to 679 years, 38 weeks, 1 day, 8 hours, 34 minutes.
• To count from 1 to 21,377,378,040 would take you about one thousand, three hundred fifty-nine 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 21377378040 cubic inches would be around 231.3 feet tall.

Recreational maths with 21377378040

• 21377378040 backwards is 04087377312
• The number of decimal digits it has is: 11
• The sum of 21377378040's digits is 42
• More coming soon!