21831997440

Names of 21831997440

• Cardinal: 21831997440 can be written as Twenty-one billion, eight hundred thirty-one million, nine hundred ninety-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.183199744 × 10¹⁰

Factors of 21831997440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 97

Divisors of 21831997440

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 23 24 30 32 33 40 44 46 48 53 55 60 64 66 69 80 88 92 96 106 110 115 120 128 132 138 159 160 165 176 184 192 212 220 230 240 253 256 264 265 276 318 320 330 345 352 368 384 424 440 460 480 506 512 528 530 552 583 636 640 660 690 704 736 759 768 795 848 880 920 960 1012 1024 1056 1060 1104 1166 1219 1265 1272 1280 1320 1380 1408 1472 1518 1536 1590 1696 1749 1760 1840 1920 2024 2048 2112 2120 2208 2332 2438 2530 2544 2560 2640 2760 2809 2816 2915 2944 3036 3072 3180 3392 3498 3520 3657 3680 3795 3840 4048 4224 4240 4416 4664 4876 5060 5088 5120 5280 5520 5618 5632 5830 5888 6072 6095 6144 6360 6784 6996 7040 7314 7360 7590 7680 8096 8427 8448 8480 8745 8832 9328 9752 10120 10176 10240 10560 11040 11236 11264 11660 11776 12144 12190 12720 13409 13568 13992 14045 14080 14628 14720 15180 15360 16192 16854 16896 16960 17490 17664 18285 18656 19504 20240 20352 21120 22080 22472 22528 23320 23552 24288 24380 25440 26818 27136 27984 28090 28160 29256 29440 30360 30720 30899 32384 33708 33792 33920 34980 35328 36570 37312 39008 40227 40480 40704 42135 42240 44160 44944 46640 47104 48576 48760 50880 53636 54272 55968 56180 56320 58512 58880 60720 61798 64607 64768 67045 67416 67584 67840 69960 70656 73140 74624 78016 80454 80960 81408 84270 84480 88320 89888 92697 93280 97152 97520 101760 107272 108544 111936 112360 112640 117024 117760 121440 123596 129214 129536 134090 134832 135680 139920 141312 146280 149248 154495 156032 160908 161920 162816 168540 168960 176640 179776 185394 186560 193821 194304 195040 201135 203520 214544 223872 224720 234048 235520 242880 247192 258428 259072 268180 269664 271360 279840 292560 298496 308990 312064 321816 323035 323840 325632 337080 337920 353280 359552 370788 373120 387642 388608 390080 402270 407040 429088 447744 449440 463485 468096 485760 494384 516856 518144 536360 539328 542720 559680 585120 596992 617980 624128 643632 646070 647680 674160 706560 710677 719104 741576 746240 775284 777216 780160 804540 814080 858176 895488 898880 926970 936192 969105 971520 988768 1033712 1072720 1078656 1119360 1170240 1193984 1235960 1248256 1287264 1292140 1295360 1348320 1421354 1438208 1483152 1492480 1550568 1554432 1560320 1609080 1628160 1716352 1790976 1797760 1853940 1872384 1938210 1943040 1977536 2067424 2132031 2145440 2157312 2238720 2340480 2471920 2496512 2574528 2584280 2590720 2696640 2842708 2876416 2966304 2984960 3101136 3120640 3218160 3432704 3553385 3581952 3595520 3707880 3744768 3876420 3886080 3955072 4134848 4264062 4290880 4314624 4477440 4680960 4943840 5149056 5168560 5393280 5685416 5752832 5932608 5969920 6202272 6241280 6436320 6865408 7106770 7191040 7415760 7489536 7752840 7772160 7910144 8269696 8528124 8581760 8629248 8954880 9361920 9887680 10298112 10337120 10660155 10786560 11370832 11865216 12404544 12482560 12872640 13730816 14213540 14382080 14831520 15505680 15820288 16539392 17056248 17163520 17258496 17909760 18723840 19775360 20596224 20674240 21320310 21573120 22741664 23730432 24809088 25745280 27461632 28427080 28764160 29663040 31011360 31640576 33078784 34112496 34327040 37447680 39550720 41192448 41348480 42640620 43146240 45483328 47460864 49618176 51490560 56854160 59326080 62022720 63281152 66157568 68224992 68654080 79101440 82384896 82696960 85281240 86292480 90966656 94921728 99236352 102981120 113708320 118652160 124045440 132315136 136449984 137308160 158202880 165393920 170562480 181933312 189843456 198472704 205962240 227416640 237304320 248090880 272899968 316405760 330787840 341124960 363866624 396945408 411924480 454833280 474608640 496181760 545799936 661575680 682249920 727733248 909666560 949217280 992363520 1091599872 1364499840 1455466496 1819333120 1984727040 2183199744 2728999680 3638666240 4366399488 5457999360 7277332480 10915998720 21831997440
• Sum of all divisors σ(n): 81036184320
• Sum of proper divisors (its aliquot sum) s(n): 59204186880
• 21831997440 is an abundant number, because the sum of its proper divisors (59204186880) is greater than itself. Its abundance is 37372189440

Bases of 21831997440

• Binary: 10100010101010010011101100000000000₂
• Hexadecimal: 0x51549D800
• Base-36: A127H1C

Squares and roots of 21831997440

• 21831997440 squared (21831997440²) is 476636112220166553600
• 21831997440 cubed (21831997440³) is 10405918381802228914568822784000
• The square root of 21831997440 is 147756.5478752125
• The cube root of 21831997440 is 2794.8885248833

Scales and comparisons

• 21,831,997,440 seconds is equal to 694 years, 9 weeks, 6 days, 3 hours, 44 minutes.
• To count from 1 to 21,831,997,440 would take you about one thousand, three hundred eighty-eight 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 21831997440 cubic inches would be around 232.9 feet tall.

Recreational maths with 21831997440

• 21831997440 backwards is 04479913812
• 21831997440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21831997440's digits is 48
• More coming soon!