21011422929640

Names of 21011422929640

• Cardinal: 21011422929640 can be written as Twenty-one trillion, eleven billion, four hundred twenty-two million, nine hundred twenty-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.101142292964 × 10¹³

Factors of 21011422929640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 140988

Divisors of 21011422929640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 11 13 20 22 26 29 31 40 44 52 55 58 62 65 88 104 110 116 124 130 143 145 155 220 232 248 260 286 290 310 319 341 377 403 440 520 572 580 620 638 682 715 754 806 841 899 1144 1160 1240 1276 1364 1430 1508 1595 1612 1682 1705 1798 1885 2015 2552 2728 2860 3016 3190 3224 3364 3410 3596 3770 4030 4147 4205 4433 4495 5720 6380 6728 6820 7192 7540 8060 8294 8410 8866 8990 9251 9889 10933 11687 12760 13640 15080 16120 16588 16820 17732 17980 18502 19778 20735 21866 22165 23374 26071 33176 33640 35464 35960 37004 39556 41470 43732 44330 46255 46748 49445 52142 54665 58435 74008 79112 82940 87464 88660 92510 93496 98890 104284 109330 116870 120263 128557 130355 140897 165880 177320 185020 197780 208568 218660 233740 240526 257114 260710 281794 286781 338923 370040 395560 437320 467480 481052 514228 521420 563588 573562 601315 642785 677846 704485 962104 1028456 1042840 1127176 1147124 1202630 1285570 1355692 1408970 1433905 1549867 1694615 1831661 2294248 2405260 2571140 2711384 2817940 2867810 3099734 3389230 3663322 3728153 4086013 4367807 4810520 5142280 5635880 5735620 6199468 6778460 7326644 7456306 7749335 8172026 8735614 9158305 11471240 12398936 13556920 14653288 14912612 15498670 16344052 17471228 18316610 18640765 20148271 20430065 21839035 29825224 30997340 32688104 34942456 36633220 37281530 40296542 40860130 43678070 44946143 48045877 53118169 56781491 61994680 73266440 74563060 80593084 81720260 87356140 89892286 96091754 100741355 106236338 113562982 118494377 126666403 149126120 161186168 163440520 174712280 179784572 192183508 201482710 212472676 224730715 227125964 236988754 240229385 253332806 265590845 283907455 359569144 384367016 402965420 424945352 449461430 454251928 473977508 480458770 506665612 531181690 567814910 584299859 592471885 624596401 633332015 805930840 898922860 947955016 960917540 1013331224 1062363380 1135629820 1168599718 1184943770 1249192802 1266664030 1303438147 1393330433 1540426901 1646663239 1797845720 1921835080 2124726760 2271259640 2337199436 2369887540 2498385604 2533328060 2606876294 2786660866 2921499295 3080853802 3122982005 3293326478 3673325687 4674398872 4739775080 4996771208 5066656120 5213752588 5573321732 5842998590 6161707604 6245964010 6517190735 6586652956 6966652165 7346651374 7702134505 8233316195 10427505176 11146643464 11685997180 12323415208 12491928020 13034381470 13173305912 13933304330 14693302748 15404269010 16466632390 16944695911 18113295629 18366628435 23371994360 24983856040 26068762940 27866608660 29386605496 30808538020 32933264780 33889391822 36226591258 36733256870 40406582557 47753233931 52137525880 55733217320 61617076040 65866529560 67778783644 72453182516 73466513740 80813165114 84723479555 90566478145 95506467862 135557567288 144906365032 146933027480 161626330228 169446959110 181132956290 191012935724 202032912785 238766169655 323252660456 338893918220 362265912580 382025871448 404065825570 477532339310 525285573241 677787836440 724531825160 808131651140 955064678620 1050571146482 1616263302280 1910129357240 2101142292964 2626427866205 4202284585928 5252855732410 10505711464820 21011422929640
• Sum of all divisors σ(n): 59377888926720
• Sum of proper divisors (its aliquot sum) s(n): 38366465997080
• 21011422929640 is an abundant number, because the sum of its proper divisors (38366465997080) is greater than itself. Its abundance is 17355043067440

Bases of 21011422929640

• Binary: 100110001110000011010011001100110001011101000₂
• Hexadecimal: 0x131C1A6662E8
• Base-36: 7G4IIPOMG

Squares and roots of 21011422929640

• 21011422929640 squared (21011422929640²) is 441479893528201560390529600
• 21011422929640 cubed (21011422929640³) is 9276120757853480105981200830543137344000
• The square root of 21011422929640 is 4583821.8693182221
• The cube root of 21011422929640 is 27594.2432375083

Scales and comparisons

• 21,011,422,929,640 seconds is equal to 668,098 years, 13 weeks, 2 days, 9 hours, 20 minutes, 40 seconds.
• To count from 1 to 21,011,422,929,640 would take you about one million, six hundred seventy thousand, two hundred forty-five 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 21011422929640 cubic inches would be around 2299.5 feet tall.

Recreational maths with 21011422929640

• 21011422929640 backwards is 04692922411012
• The number of decimal digits it has is: 14
• The sum of 21011422929640's digits is 43
• More coming soon!