21449007144

Names of 21449007144

• Cardinal: 21449007144 can be written as Twenty-one billion, four hundred forty-nine million, seven thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1449007144 × 10¹⁰

Factors of 21449007144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 110

Divisors of 21449007144

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 23 24 27 29 36 46 53 54 58 69 72 87 92 106 108 116 138 159 174 184 207 212 216 232 261 276 318 348 414 424 477 522 552 621 636 667 696 783 828 954 1044 1219 1242 1272 1334 1431 1537 1566 1656 1908 2001 2088 2438 2484 2668 2809 2862 3074 3132 3657 3816 4002 4611 4876 4968 5336 5618 5724 6003 6148 6264 7314 8004 8427 9222 9752 10971 11236 11448 12006 12296 13833 14628 16008 16854 18009 18444 21942 22472 24012 25281 27666 29256 32913 33708 35351 36018 36888 41499 43884 48024 50562 55332 64607 65826 67416 70702 72036 75843 81461 82998 87768 101124 106053 110664 129214 131652 141404 144072 148877 151686 162922 165996 193821 202248 212106 244383 258428 263304 282808 297754 303372 318159 325844 331992 387642 424212 446631 488766 516856 581463 595508 606744 636318 651688 733149 775284 848424 893262 954477 977532 1162926 1191016 1272636 1339893 1466298 1550568 1744389 1786524 1873603 1908954 1955064 2199447 2325852 2545272 2679786 2932596 3424171 3488778 3573048 3747206 3817908 4019679 4317433 4398894 4651704 5359572 5620809 5865192 6848342 6977556 7494412 7635816 8039358 8634866 8797788 10272513 10719144 11241618 12952299 13696684 13955112 14988824 16078716 16862427 17269732 17595576 20545026 22483236 25904598 27393368 30817539 32157432 33724854 34539464 38856897 41090052 44966472 50587281 51809196 61635078 67449708 77713794 82180104 92452617 99300959 101174562 103618392 116570691 123270156 134899416 155427588 184905234 198601918 202349124 233141382 246540312 297902877 310855176 369810468 397203836 404698248 466282764 595805754 739620936 794407672 893708631 932565528 1191611508 1787417262 2383223016 2681125893 3574834524 5362251786 7149669048 10724503572 21449007144
• Sum of all divisors σ(n): 65551680000
• Sum of proper divisors (its aliquot sum) s(n): 44102672856
• 21449007144 is an abundant number, because the sum of its proper divisors (44102672856) is greater than itself. Its abundance is 22653665712

Bases of 21449007144

• Binary: 10011111110011101011110000000101000₂
• Hexadecimal: 0x4FE75E028
• Base-36: 9UQ6NU0

Squares and roots of 21449007144

• 21449007144 squared (21449007144²) is 460059907463363036736
• 21449007144 cubed (21449007144³) is 9867828241849652693215998441984
• The square root of 21449007144 is 146454.7955650479
• The cube root of 21449007144 is 2778.4487983629

Scales and comparisons

• 21,449,007,144 seconds is equal to 682 years, 4 days, 9 hours, 32 minutes, 24 seconds.
• To count from 1 to 21,449,007,144 would take you about one thousand, three hundred sixty-four 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 21449007144 cubic inches would be around 231.5 feet tall.

Recreational maths with 21449007144

• 21449007144 backwards is 44170094412
• 21449007144 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21449007144's digits is 36
• More coming soon!