21248838144

Names of 21248838144

• Cardinal: 21248838144 can be written as Twenty-one billion, two hundred forty-eight million, eight hundred thirty-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1248838144 × 10¹⁰

Factors of 21248838144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 407

Divisors of 21248838144

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 64 69 72 92 96 128 138 144 184 192 207 256 276 288 368 379 384 414 512 529 552 576 736 758 768 828 1058 1104 1137 1152 1472 1516 1536 1587 1656 2116 2208 2274 2304 2944 3032 3174 3312 3411 4232 4416 4548 4608 4761 5888 6064 6348 6624 6822 8464 8717 8832 9096 9522 11776 12128 12167 12696 13248 13644 16928 17434 17664 18192 19044 24256 24334 25392 26151 26496 27288 33856 34868 35328 36384 36501 38088 48512 48668 50784 52302 52992 54576 67712 69736 72768 73002 76176 78453 97024 97336 101568 104604 105984 109152 109503 135424 139472 145536 146004 152352 156906 194048 194672 200491 203136 209208 218304 219006 270848 278944 291072 292008 304704 313812 389344 400982 406272 418416 436608 438012 557888 582144 584016 601473 609408 627624 778688 801964 812544 836832 873216 876024 1115776 1168032 1202946 1218816 1255248 1557376 1603928 1673664 1746432 1752048 1804419 2231552 2336064 2405892 2437632 2510496 3114752 3207856 3347328 3504096 3608838 4463104 4611293 4672128 4811784 5020992 6229504 6415712 6694656 7008192 7217676 9222586 9344256 9623568 10041984 12831424 13389312 13833879 14016384 14435352 18445172 18688512 19247136 20083968 25662848 27667758 28032768 28870704 36890344 38494272 40167936 41501637 51325696 55335516 56065536 57741408 73780688 76988544 83003274 102651392 110671032 115482816 147561376 153977088 166006548 221342064 230965632 295122752 307954176 332013096 442684128 461931264 590245504 664026192 885368256 923862528 1180491008 1328052384 1770736512 2360982016 2656104768 3541473024 5312209536 7082946048 10624419072 21248838144
• Sum of all divisors σ(n): 64282046400
• Sum of proper divisors (its aliquot sum) s(n): 43033208256
• 21248838144 is an abundant number, because the sum of its proper divisors (43033208256) is greater than itself. Its abundance is 21784370112

Bases of 21248838144

• Binary: 10011110010100001111000101000000000₂
• Hexadecimal: 0x4F2878A00
• Base-36: 9RF0CG0

Squares and roots of 21248838144

• 21248838144 squared (21248838144²) is 451513122469909364736
• 21248838144 cubed (21248838144³) is 9594129259255153601625125289984
• The square root of 21248838144 is 145769.8121834559
• The cube root of 21248838144 is 2769.7786467891

Scales and comparisons

• 21,248,838,144 seconds is equal to 675 years, 33 weeks, 4 days, 15 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,248,838,144 would take you about one thousand, three hundred fifty-one 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 21248838144 cubic inches would be around 230.8 feet tall.

Recreational maths with 21248838144

• 21248838144 backwards is 44183884212
• The number of decimal digits it has is: 11
• The sum of 21248838144's digits is 45
• More coming soon!