21022229920

Names of 21022229920

• Cardinal: 21022229920 can be written as Twenty-one billion, twenty-two million, two hundred twenty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.102222992 × 10¹⁰

Factors of 21022229920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 371

Divisors of 21022229920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 29 32 34 40 58 61 68 80 85 116 122 136 145 160 170 232 244 257 272 289 290 305 340 464 488 493 514 544 578 580 610 680 928 976 986 1028 1037 1156 1160 1220 1285 1360 1445 1769 1952 1972 2056 2074 2312 2320 2440 2465 2570 2720 2890 3538 3944 4112 4148 4369 4624 4640 4880 4930 5140 5185 5780 7076 7453 7888 8224 8296 8381 8738 8845 9248 9760 9860 10280 10370 11560 14152 14906 15677 15776 16592 16762 17476 17629 17690 19720 20560 20740 21845 23120 28304 29812 30073 31354 33184 33524 34952 35258 35380 37265 39440 41120 41480 41905 43690 46240 56608 59624 60146 62708 67048 69904 70516 70760 74273 74530 78385 78880 82960 83810 87380 88145 119248 120292 125416 126701 134096 139808 141032 141520 148546 149060 150365 156770 165920 167620 174760 176290 238496 240584 250832 253402 266509 268192 282064 283040 297092 298120 300730 313540 335240 349520 352580 371365 454633 481168 501664 506804 511241 533018 564128 594184 596240 601460 627080 633505 670480 699040 705160 742730 909266 962336 1013608 1022482 1066036 1188368 1192480 1202920 1254160 1267010 1332545 1340960 1410320 1485460 1818532 2027216 2044964 2132072 2153917 2273165 2376736 2405840 2508320 2534020 2556205 2665090 2820640 2970920 3637064 4054432 4089928 4264144 4307834 4530653 4546330 4811680 5068040 5112410 5330180 5941840 7274128 7728761 8179856 8528288 8615668 9061306 9092660 10136080 10224820 10660360 10769585 11883680 14548256 15457522 16359712 17231336 18122612 18185320 20272160 20449640 21320720 21539170 22653265 30915044 34462672 36245224 36370640 38643805 40899280 42641440 43078340 45306530 61830088 68925344 72490448 72741280 77287610 81798560 86156680 90613060 123660176 131388937 144980896 154575220 172313360 181226120 247320352 262777874 309150440 344626720 362452240 525555748 618300880 656944685 724904480 1051111496 1236601760 1313889370 2102222992 2627778740 4204445984 5255557480 10511114960 21022229920
• Sum of all divisors σ(n): 55688154480
• Sum of proper divisors (its aliquot sum) s(n): 34665924560
• 21022229920 is an abundant number, because the sum of its proper divisors (34665924560) is greater than itself. Its abundance is 13643694640

Bases of 21022229920

• Binary: 10011100101000001011100010110100000₂
• Hexadecimal: 0x4E505C5A0
• Base-36: 9NO3CF4

Squares and roots of 21022229920

• 21022229920 squared (21022229920²) is 441934150809343206400
• 21022229920 cubed (21022229920³) is 9290441327813966969130815488000
• The square root of 21022229920 is 144990.4476853561
• The cube root of 21022229920 is 2759.8973356757

Scales and comparisons

• 21,022,229,920 seconds is equal to 668 years, 22 weeks, 6 days, 20 hours, 18 minutes, 40 seconds.
• To count from 1 to 21,022,229,920 would take you about one thousand, three hundred thirty-six 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 21022229920 cubic inches would be around 230 feet tall.

Recreational maths with 21022229920

• 21022229920 backwards is 02992222012
• The number of decimal digits it has is: 11
• The sum of 21022229920's digits is 31
• More coming soon!