21051413504

Names of 21051413504

• Cardinal: 21051413504 can be written as Twenty-one billion, fifty-one million, four hundred thirteen thousand, five hundred four.

Scientific notation

• Scientific notation: 2.1051413504 × 10¹⁰

Factors of 21051413504

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 208

Divisors of 21051413504

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 4 8 11 16 22 23 32 44 46 64 83 88 89 92 121 128 166 176 178 184 242 253 256 332 352 356 368 484 506 512 664 704 712 736 913 968 979 1012 1024 1328 1408 1424 1472 1826 1909 1936 1958 2024 2047 2656 2783 2816 2848 2944 3652 3818 3872 3916 4048 4094 5312 5566 5632 5696 5888 7304 7387 7636 7744 7832 8096 8188 10043 10624 10769 11132 11264 11392 11776 14608 14774 15272 15488 15664 16192 16376 20086 20999 21248 21538 22264 22517 22784 23552 29216 29548 30544 30976 31328 32384 32752 40172 41998 42496 43076 44528 45034 45568 58432 59096 61088 61952 62656 64768 65504 80344 81257 83996 84992 86152 89056 90068 91136 116864 118192 122176 123904 125312 129536 131008 160688 162514 167992 169901 172304 178112 180136 230989 233728 236384 244352 247687 250624 259072 262016 321376 325028 335984 339802 344608 356224 360272 461978 467456 472768 488704 495374 501248 524032 642752 650056 671968 679604 689216 712448 720544 893827 923956 934912 945536 977408 990748 1002496 1048064 1285504 1300112 1343936 1359208 1378432 1424896 1441088 1787654 1847912 1868911 1891072 1954816 1981496 2096128 2571008 2600224 2687872 2718416 2756864 2849792 2882176 3575308 3695824 3737822 3782144 3962992 5142016 5200448 5375744 5436832 5513728 5764352 7150616 7391648 7475644 7564288 7925984 10284032 10400896 10751488 10873664 11027456 11528704 14301232 14783296 14951288 15851968 20558021 20801792 21502976 21747328 23057408 28602464 29566592 29902576 31703936 41116042 41603584 43494656 57204928 59133184 59805152 63407872 82232084 83207168 86989312 114409856 118266368 119610304 126815744 164464168 173978624 228819712 236532736 239220608 253631488 328928336 457639424 478441216 657856672 915278848 956882432 1315713344 1913764864 2631426688 5262853376 10525706752 21051413504
• Sum of all divisors σ(n): 49397221440
• Sum of proper divisors (its aliquot sum) s(n): 28345807936
• 21051413504 is an abundant number, because the sum of its proper divisors (28345807936) is greater than itself. Its abundance is 7294394432

Bases of 21051413504

• Binary: 10011100110110000110001010000000000₂
• Hexadecimal: 0x4E6C31400
• Base-36: 9O5GUM8

Squares and roots of 21051413504

• 21051413504 squared (21051413504²) is 443162010516393558016
• 21051413504 cubed (21051413504³) is 9329186732644597360596629848064
• The square root of 21051413504 is 145091.0524601707
• The cube root of 21051413504 is 2761.1738645981

Scales and comparisons

• 21,051,413,504 seconds is equal to 669 years, 19 weeks, 1 day, 14 hours, 51 minutes, 44 seconds.
• To count from 1 to 21,051,413,504 would take you about one 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 21051413504 cubic inches would be around 230.1 feet tall.

Recreational maths with 21051413504

• 21051413504 backwards is 40531415012
• The number of decimal digits it has is: 11
• The sum of 21051413504's digits is 26
• More coming soon!