21445184480

Names of 21445184480

• Cardinal: 21445184480 can be written as Twenty-one billion, four hundred forty-five million, one hundred eighty-four thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.144518448 × 10¹⁰

Factors of 21445184480

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 462

Divisors of 21445184480

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 16 17 19 20 29 32 34 38 40 41 58 68 76 80 82 85 95 116 136 145 152 160 164 170 190 205 232 272 290 304 323 328 340 349 380 410 464 493 544 551 580 608 646 656 680 697 698 760 779 820 928 986 1102 1160 1189 1292 1312 1360 1394 1396 1520 1558 1615 1640 1745 1972 2204 2320 2378 2465 2584 2720 2755 2788 2792 3040 3116 3230 3280 3485 3490 3895 3944 4408 4640 4756 4930 5168 5510 5576 5584 5933 5945 6232 6460 6560 6631 6970 6980 7790 7888 8816 9367 9512 9860 10121 10336 11020 11152 11168 11866 11890 12464 12920 13243 13262 13940 13960 14309 15580 15776 17632 18734 19024 19720 20213 20242 22040 22304 22591 23732 23780 24928 25840 26486 26524 27880 27920 28618 29665 31160 33155 37468 38048 39440 40426 40484 44080 45182 46835 47464 47560 50605 51680 52972 53048 55760 55840 57236 59330 62320 66215 66310 71545 74936 78880 80852 80968 88160 90364 93670 94928 95120 101065 101210 105944 106096 111520 112727 112955 114472 118660 124640 132430 132620 143090 149872 161704 161936 172057 180728 187340 189856 190240 192299 202130 202420 211888 212192 225454 225910 228944 237320 243253 264860 265240 271871 286180 299744 323408 323872 344114 361456 374680 384047 384598 404260 404840 414961 423776 450908 451820 457888 474640 486506 529720 530480 543742 563635 572360 646816 688228 722912 749360 768094 769196 808520 809680 829922 860285 901816 903640 949280 961495 973012 1059440 1060960 1087484 1127270 1144720 1216265 1359355 1376456 1498720 1536188 1538392 1617040 1619360 1659844 1720570 1803632 1807280 1920235 1922990 1946024 2074805 2118880 2174968 2254540 2289440 2432530 2718710 2752912 3072376 3076784 3234080 3269083 3319688 3441140 3607264 3614560 3840470 3845980 3892048 4149610 4349936 4509080 4621807 4865060 5437420 5505824 6144752 6153568 6538166 6639376 6882280 7054337 7680940 7691960 7784096 7884259 8299220 8699872 9018160 9243614 9730120 10874840 12289504 13076332 13278752 13764560 14108674 15361880 15383920 15768518 16345415 16598440 18036320 18487228 19460240 21749680 23109035 26152664 27529120 28217348 30723760 30767840 31537036 32690830 33196880 35271685 36974456 38920480 39421295 43499360 46218070 52305328 56434696 61447520 63074072 65381660 66393760 70543370 73948912 78842590 92436140 104610656 112869392 126148144 130763320 134032403 141086740 147897824 157685180 184872280 225738784 252296288 261526640 268064806 282173480 315370360 369744560 523053280 536129612 564346960 630740720 670162015 739489120 1072259224 1128693920 1261481440 1340324030 2144518448 2680648060 4289036896 5361296120 10722592240 21445184480
• Sum of all divisors σ(n): 60011280000
• Sum of proper divisors (its aliquot sum) s(n): 38566095520
• 21445184480 is an abundant number, because the sum of its proper divisors (38566095520) is greater than itself. Its abundance is 17120911040

Bases of 21445184480

• Binary: 10011111110001110111000101111100000₂
• Hexadecimal: 0x4FE3B8BE0
• Base-36: 9UNWQ8W

Squares and roots of 21445184480

• 21445184480 squared (21445184480²) is 459895937381232870400
• 21445184480 cubed (21445184480³) is 9862553218743066995567931392000
• The square root of 21445184480 is 146441.7443217609
• The cube root of 21445184480 is 2778.2837292269

Scales and comparisons

• 21,445,184,480 seconds is equal to 681 years, 46 weeks, 2 days, 3 hours, 41 minutes, 20 seconds.
• To count from 1 to 21,445,184,480 would take you about one thousand, three hundred sixty-three 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 21445184480 cubic inches would be around 231.5 feet tall.

Recreational maths with 21445184480

• 21445184480 backwards is 08448154412
• 21445184480 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21445184480's digits is 41
• More coming soon!