21438288000

Names of 21438288000

• Cardinal: 21438288000 can be written as Twenty-one billion, four hundred thirty-eight million, two hundred eighty-eight thousand.

Scientific notation

• Scientific notation: 2.1438288 × 10¹⁰

Factors of 21438288000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 63

Divisors of 21438288000

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 53 60 64 72 75 80 90 96 100 106 120 125 128 144 150 159 160 180 192 200 212 225 240 250 265 288 300 318 320 360 375 384 400 424 450 477 480 500 530 576 600 636 640 720 750 795 800 848 900 954 960 1000 1060 1125 1152 1200 1272 1325 1440 1500 1590 1600 1696 1800 1908 1920 2000 2120 2250 2385 2400 2544 2650 2809 2880 3000 3180 3200 3392 3600 3816 3975 4000 4240 4500 4770 4800 5088 5300 5618 5760 6000 6360 6625 6784 7200 7632 7950 8000 8427 8480 9000 9540 9600 10176 10600 11236 11925 12000 12720 13250 14045 14400 15264 15900 16000 16854 16960 18000 19080 19875 20352 21200 22472 23850 24000 25281 25440 26500 28090 28800 30528 31800 33708 33920 36000 38160 39750 42135 42400 44944 47700 48000 50562 50880 53000 56180 59625 61056 63600 67416 70225 72000 76320 79500 84270 84800 89888 95400 101124 101760 106000 112360 119250 126405 127200 134832 140450 144000 148877 152640 159000 168540 169600 179776 190800 202248 210675 212000 224720 238500 252810 254400 269664 280900 297754 305280 318000 337080 351125 359552 381600 404496 421350 424000 446631 449440 477000 505620 508800 539328 561800 595508 632025 636000 674160 702250 744385 763200 808992 842700 848000 893262 898880 954000 1011240 1053375 1078656 1123600 1191016 1264050 1272000 1339893 1348320 1404500 1488770 1526400 1617984 1685400 1786524 1797760 1908000 2022480 2106750 2233155 2247200 2382032 2528100 2544000 2679786 2696640 2809000 2977540 3160125 3235968 3370800 3573048 3721925 3816000 4044960 4213500 4466310 4494400 4764064 5056200 5359572 5393280 5618000 5955080 6320250 6699465 6741600 7146096 7443850 7632000 8089920 8427000 8932620 8988800 9528128 10112400 10719144 11165775 11236000 11910160 12640500 13398930 13483200 14292192 14887700 16179840 16854000 17865240 18609625 19056256 20224800 21438288 22331550 22472000 23820320 25281000 26797860 26966400 28584384 29775400 33497325 33708000 35730480 37219250 40449600 42876576 44663100 44944000 47640640 50562000 53595720 55828875 57168768 59550800 66994650 67416000 71460960 74438500 80899200 85753152 89326200 95281280 101124000 107191440 111657750 119101600 133989300 134832000 142921920 148877000 167486625 171506304 178652400 202248000 214382880 223315500 238203200 267978600 285843840 297754000 334973250 357304800 404496000 428765760 446631000 476406400 535957200 595508000 669946500 714609600 857531520 893262000 1071914400 1191016000 1339893000 1429219200 1786524000 2143828800 2382032000 2679786000 3573048000 4287657600 5359572000 7146096000 10719144000 21438288000
• Sum of all divisors σ(n): 78470823600
• Sum of proper divisors (its aliquot sum) s(n): 57032535600
• 21438288000 is an abundant number, because the sum of its proper divisors (57032535600) is greater than itself. Its abundance is 35594247600

Bases of 21438288000

• Binary: 10011111101110100100101000010000000₂
• Hexadecimal: 0x4FDD25080
• Base-36: 9UJSWW0

Squares and roots of 21438288000

• 21438288000 squared (21438288000²) is 459600192370944000000
• 21438288000 cubed (21438288000³) is 9853041288903700303872000000000
• The square root of 21438288000 is 146418.1955905755
• The cube root of 21438288000 is 2777.9858778615

Scales and comparisons

• 21,438,288,000 seconds is equal to 681 years, 34 weeks, 6 days, 8 hours.
• To count from 1 to 21,438,288,000 would take you about one thousand, three hundred sixty-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 21438288000 cubic inches would be around 231.5 feet tall.

Recreational maths with 21438288000

• 21438288000 backwards is 00088283412
• 21438288000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21438288000's digits is 36
• More coming soon!