21997327140

Names of 21997327140

• Cardinal: 21997327140 can be written as Twenty-one billion, nine hundred ninety-seven million, three hundred twenty-seven thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.199732714 × 10¹⁰

Factors of 21997327140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 219

Divisors of 21997327140

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 19 20 27 30 34 36 38 45 51 54 57 60 68 76 81 85 90 95 102 108 114 135 153 162 170 171 173 180 190 204 228 243 255 270 285 306 323 324 340 342 346 380 405 459 486 510 513 519 540 570 612 646 684 692 729 765 810 855 865 918 969 972 1020 1026 1038 1140 1215 1292 1377 1458 1530 1539 1557 1615 1620 1710 1730 1836 1938 2052 2076 2187 2295 2430 2565 2595 2754 2907 2916 2941 3060 3078 3114 3230 3287 3420 3460 3645 3876 4131 4374 4590 4617 4671 4845 4860 5130 5190 5508 5814 5882 6156 6228 6460 6561 6574 6885 7290 7695 7785 8262 8721 8748 8823 9180 9234 9342 9690 9861 10260 10380 10935 11628 11764 12393 13122 13148 13770 13851 14013 14535 14580 14705 15390 15570 16435 16524 17442 17646 18468 18684 19380 19683 19722 20655 21870 23085 23355 24786 26163 26244 26469 27540 27702 28026 29070 29410 29583 30780 31140 32805 32870 34884 35292 37179 39366 39444 41310 41553 42039 43605 43740 44115 46170 46710 49305 49572 52326 52938 55404 55879 56052 58140 58820 59166 61965 65610 65740 69255 70065 74358 78489 78732 79407 82620 83106 84078 87210 88230 88749 92340 93420 98415 98610 104652 105876 111537 111758 118332 123930 124659 126117 130815 131220 132345 138510 140130 147915 148716 156978 158814 166212 167637 168156 174420 176460 177498 185895 196830 197220 207765 210195 223074 223516 235467 238221 247860 249318 252234 261630 264690 266247 277020 279395 280260 295830 313956 317628 334611 335274 354996 371790 373977 378351 392445 393660 397035 415530 420390 443745 446148 470934 476442 498636 502911 504468 523260 529380 532494 557685 558790 591660 623295 630585 669222 670548 706401 714663 743580 747954 756702 784890 794070 798741 831060 838185 840780 887490 941868 952884 1005822 1064988 1115370 1117580 1135053 1177335 1191105 1246590 1261170 1331235 1338444 1412802 1429326 1495908 1508733 1513404 1569780 1588140 1597482 1673055 1676370 1774980 1869885 1891755 2011644 2119203 2143989 2230740 2270106 2354670 2382210 2396223 2493180 2514555 2522340 2662470 2825604 2858652 3017466 3194964 3346110 3352740 3405159 3532005 3573315 3739770 3783510 3993705 4238406 4287978 4526199 4540212 4709340 4764420 4792446 5029110 5324940 5675265 6034932 6357609 6431967 6692220 6810318 7064010 7146630 7188669 7479540 7543665 7567020 7987410 8476812 8575956 9052398 9584892 10058220 10596015 10719945 11350530 11981115 12715218 12863934 13578597 13620636 14128020 14293260 14377338 15087330 15974820 17025795 18104796 19295901 21192030 21439890 21566007 22630995 22701060 23962230 25430436 25727868 27157194 28754676 30174660 31788045 32159835 34051590 35943345 38591802 40735791 42384060 42879780 43132014 45261990 47924460 54314388 57887703 63576090 64319670 64698021 67892985 68103180 71886690 77183604 81471582 86264028 90523980 96479505 107830035 115775406 122207373 127152180 128639340 129396042 135785970 143773380 162943164 192959010 203678955 215660070 231550812 244414746 258792084 271571940 289438515 323490105 366622119 385918020 407357910 431320140 488829492 578877030 611036865 646980210 733244238 814715820 1099866357 1157754060 1222073730 1293960420 1466488476 1833110595 2199732714 2444147460 3666221190 4399465428 5499331785 7332442380 10998663570 21997327140
• Sum of all divisors σ(n): 77674101120
• Sum of proper divisors (its aliquot sum) s(n): 55676773980
• 21997327140 is an abundant number, because the sum of its proper divisors (55676773980) is greater than itself. Its abundance is 33679446840

Bases of 21997327140

• Binary: 10100011111001001001001001100100100₂
• Hexadecimal: 0x51F249324
• Base-36: A3SN290

Squares and roots of 21997327140

• 21997327140 squared (21997327140²) is 483882401304180579600
• 21997327140 cubed (21997327140³) is 10644119478776822859096010344000
• The square root of 21997327140 is 148314.9592590039
• The cube root of 21997327140 is 2801.9258494103

Scales and comparisons

• 21,997,327,140 seconds is equal to 699 years, 23 weeks, 1 day, 16 hours, 39 minutes.
• To count from 1 to 21,997,327,140 would take you about one thousand, three hundred ninety-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 21997327140 cubic inches would be around 233.5 feet tall.

Recreational maths with 21997327140

• 21997327140 backwards is 04172379912
• 21997327140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21997327140's digits is 45
• More coming soon!