21427381332

Names of 21427381332

• Cardinal: 21427381332 can be written as Twenty-one billion, four hundred twenty-seven million, three hundred eighty-one thousand, three hundred thirty-two.

Scientific notation

• Scientific notation: 2.1427381332 × 10¹⁰

Factors of 21427381332

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 670

Divisors of 21427381332

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 17 18 21 27 28 34 36 42 51 54 63 68 81 84 102 108 119 126 153 162 189 204 238 243 252 289 306 324 357 378 459 476 486 567 578 612 641 714 756 867 918 972 1071 1134 1156 1282 1377 1428 1701 1734 1836 1923 2023 2142 2268 2564 2601 2754 3213 3402 3468 3846 4046 4131 4284 4487 4913 5202 5508 5769 6069 6426 6804 7692 7803 8092 8262 8974 9639 9826 10404 10897 11538 12138 12852 13461 14739 15606 16524 17307 17948 18207 19278 19652 21794 23076 23409 24276 26922 28917 29478 31212 32691 34391 34614 36414 38556 40383 43588 44217 46818 51921 53844 54621 57834 58956 65382 68782 69228 70227 72828 76279 80766 88434 93636 98073 103173 103842 109242 115668 121149 130764 132651 137564 140454 152558 155763 161532 163863 176868 185249 196146 206346 207684 218484 228837 242298 265302 280908 294219 305116 309519 311526 327726 363447 370498 392292 397953 412692 457674 484596 491589 530604 555747 588438 619038 623052 655452 686511 726894 740996 795906 882657 915348 928557 983178 1090341 1111494 1176876 1193859 1238076 1296743 1373022 1453788 1591812 1667241 1765314 1857114 1966356 2059533 2180682 2222988 2387718 2593486 2647971 2746044 2785671 3149233 3334482 3530628 3714228 3890229 4119066 4361364 4775436 5001723 5186972 5295942 5571342 6178599 6298466 6668964 7780458 8238132 8357013 9447699 10003446 10591884 11142684 11670687 12357198 12596932 15005169 15560916 16714026 18535797 18895398 20006892 22044631 23341374 24714396 28343097 30010338 33428052 35012061 37071594 37790796 44089262 45015507 46682748 56686194 60020676 66133893 70024122 74143188 85029291 88178524 90031014 105036183 113372388 132267786 140048244 170058582 180062028 198401679 210072366 255087873 264535572 315108549 340117164 396803358 420144732 510175746 595205037 630217098 765263619 793606716 1020351492 1190410074 1260434196 1530527238 1785615111 2380820148 3061054476 3571230222 5356845333 7142460444 10713690666 21427381332
• Sum of all divisors σ(n): 68311676160
• Sum of proper divisors (its aliquot sum) s(n): 46884294828
• 21427381332 is an abundant number, because the sum of its proper divisors (46884294828) is greater than itself. Its abundance is 25456913496

Bases of 21427381332

• Binary: 10011111101001010111110010001010100₂
• Hexadecimal: 0x4FD2BE454
• Base-36: 9UDB590

Squares and roots of 21427381332

• 21427381332 squared (21427381332²) is 459132670746942094224
• 21427381332 cubed (21427381332³) is 9838010818074329525860322626368
• The square root of 21427381332 is 146380.9459321807
• The cube root of 21427381332 is 2777.5147004795

Scales and comparisons

• 21,427,381,332 seconds is equal to 681 years, 16 weeks, 6 days, 2 hours, 22 minutes, 12 seconds.
• To count from 1 to 21,427,381,332 would take you about one thousand, three hundred sixty-two 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 21427381332 cubic inches would be around 231.5 feet tall.

Recreational maths with 21427381332

• 21427381332 backwards is 23318372412
• 21427381332 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21427381332's digits is 36
• More coming soon!