209749473920

Names of 209749473920

• Cardinal: 209749473920 can be written as Two hundred nine billion, seven hundred forty-nine million, four hundred seventy-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.0974947392 × 10¹¹

Factors of 209749473920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2703

Divisors of 209749473920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 29 32 35 40 56 58 64 70 80 112 116 128 140 145 160 203 224 232 280 290 320 406 448 464 560 580 640 812 896 928 937 1015 1120 1160 1624 1723 1856 1874 2030 2240 2320 3248 3446 3712 3748 4060 4480 4640 4685 6496 6559 6892 7496 8120 8615 9280 9370 12061 12992 13118 13784 14992 16240 17230 18560 18740 24122 25984 26236 27173 27568 29984 32480 32795 34460 37480 48244 49967 52472 54346 55136 59968 60305 64960 65590 68920 74960 96488 99934 104944 108692 110272 119936 120610 129920 131180 135865 137840 149920 190211 192976 199868 209888 217384 220544 241220 249835 262360 271730 275680 299840 349769 380422 385952 399736 419776 434768 482440 499670 524720 543460 551360 599680 699538 760844 771904 799472 839552 869536 951055 964880 999340 1049440 1086920 1102720 1399076 1521688 1543808 1598944 1614451 1739072 1748845 1902110 1929760 1998680 2098880 2173840 2798152 3043376 3197888 3228902 3478144 3497690 3804220 3859520 3997360 4197760 4347680 5596304 6086752 6395776 6457804 6995380 7608440 7719040 7994720 8072255 8695360 11192608 11301157 12173504 12915608 13990760 15216880 15989440 16144510 17390720 22385216 22602314 24347008 25831216 27981520 30433760 31978880 32289020 44770432 45204628 46819079 51662432 55963040 56505785 60867520 64578040 90409256 93638158 103324864 111926080 113011570 121735040 129156080 180818512 187276316 206649728 223852160 226023140 234095395 258312160 327733553 361637024 374552632 452046280 468190790 516624320 655467106 723274048 749105264 904092560 936381580 1033248640 1310934212 1446548096 1498210528 1638667765 1808185120 1872763160 2621868424 2996421056 3277335530 3616370240 3745526320 5243736848 5992842112 6554671060 7232740480 7491052640 10487473696 13109342120 14982105280 20974947392 26218684240 29964210560 41949894784 52437368480 104874736960 209749473920
• Sum of all divisors σ(n): 593803526400
• Sum of proper divisors (its aliquot sum) s(n): 384054052480
• 209749473920 is an abundant number, because the sum of its proper divisors (384054052480) is greater than itself. Its abundance is 174304578560

Bases of 209749473920

• Binary: 11000011010110000010101111101010000000₂
• Hexadecimal: 0x30D60AFA80
• Base-36: 2OCVF5VK

Squares and roots of 209749473920

• 209749473920 squared (209749473920²) is 43994841809716760166400
• 209749473920 cubed (209749473920³) is 9227894924781711189109211660288000
• The square root of 209749473920 is 457984.1415595085
• The cube root of 209749473920 is 5941.5573495591

Scales and comparisons

• 209,749,473,920 seconds is equal to 6,669 years, 19 weeks, 6 days, 22 hours, 45 minutes, 20 seconds.
• To count from 1 to 209,749,473,920 would take you about thirteen thousand, three hundred thirty-eight 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 209749473920 cubic inches would be around 495.1 feet tall.

Recreational maths with 209749473920

• 209749473920 backwards is 029374947902
• 209749473920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 209749473920's digits is 56
• More coming soon!