21797916426

Names of 21797916426

• Cardinal: 21797916426 can be written as Twenty-one billion, seven hundred ninety-seven million, nine hundred sixteen thousand, four hundred twenty-six.

Scientific notation

• Scientific notation: 2.1797916426 × 10¹⁰

Factors of 21797916426

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 340

Divisors of 21797916426

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 9 11 13 17 18 22 26 27 33 34 39 51 53 54 66 78 99 102 106 117 143 153 159 169 187 198 221 234 241 286 297 306 318 338 351 374 429 442 459 477 482 507 561 583 594 663 689 702 723 858 901 918 954 1014 1122 1166 1287 1326 1378 1431 1446 1521 1683 1749 1802 1859 1989 2067 2169 2431 2574 2651 2703 2862 2873 3042 3133 3366 3498 3718 3861 3978 4097 4134 4338 4563 4862 5049 5247 5302 5406 5577 5746 5967 6201 6266 6507 7293 7579 7722 7953 8109 8194 8619 8957 9126 9399 9911 10098 10494 11154 11713 11934 12291 12402 12773 13014 14586 15158 15741 15906 16218 16731 17238 17914 18603 18798 19822 21879 22737 23426 23859 24327 24582 25546 25857 26871 28197 29733 31482 31603 33462 34463 35139 36873 37206 38319 40729 43758 45067 45474 47718 48654 50193 51714 53261 53742 56394 59466 63206 65637 68211 68926 70278 71577 73746 76638 77571 80613 81458 84591 89199 90134 94809 98527 100386 103389 105417 106522 110619 114957 122187 128843 131274 135201 136422 140503 143154 152269 155142 159783 161226 166049 169182 178398 189618 197054 204633 206778 210834 217141 221238 229914 241839 244374 257686 267597 270402 281006 284427 295581 304538 310167 316251 319566 332098 344871 366561 386529 405603 409266 421509 434282 448019 456807 479349 483678 498147 535194 568854 585871 591162 620334 632502 651423 689742 692393 733122 773058 811206 843018 853281 886743 896038 913614 930501 958698 996294 1099683 1159587 1171742 1216809 1264527 1302846 1344057 1370421 1384786 1438047 1494441 1674959 1706562 1757613 1773486 1826539 1861002 1954269 2077179 2158637 2199366 2319174 2388551 2433618 2529054 2660229 2688114 2740842 2822833 2876094 2988882 3349918 3478761 3515226 3653078 3793581 3908538 4032171 4111263 4154358 4317274 4483323 4777102 5024877 5272839 5320458 5479617 5645666 5862807 6231537 6475911 6957522 7165653 7587162 7616323 8064342 8222526 8468499 8966646 10049754 10545678 10959234 11725614 12096513 12463074 12951822 14331306 15074631 15232646 15818517 16438851 16936998 18694611 19427733 21496959 22848969 23745007 24193026 25405497 30149262 31051163 31637034 32877702 36696829 37389222 38855466 42993918 45223893 45697938 47490014 49316553 50810994 58283199 62102326 64490877 68546907 71235021 73393658 76216491 90447786 93153489 98633106 110090487 116566398 128981754 137093814 142470042 152432982 186306978 205640721 213705063 220180974 279460467 330271461 403665119 411281442 427410126 558920934 641115189 660542922 807330238 838381401 990814383 1210995357 1282230378 1676762802 1981628766 2421990714 3632986071 7265972142 10898958213 21797916426
• Sum of all divisors σ(n): 61986228480
• Sum of proper divisors (its aliquot sum) s(n): 40188312054
• 21797916426 is an abundant number, because the sum of its proper divisors (40188312054) is greater than itself. Its abundance is 18390395628

Bases of 21797916426

• Binary: 10100010011010000011100111100001010₂
• Hexadecimal: 0x51341CF0A
• Base-36: A0HWZYI

Squares and roots of 21797916426

• 21797916426 squared (21797916426²) is 475149160514880613476
• 21797916426 cubed (21797916426³) is 10357261690787426741917457356776
• The square root of 21797916426 is 147641.1745618409
• The cube root of 21797916426 is 2793.4334397771

Scales and comparisons

• 21,797,916,426 seconds is equal to 693 years, 5 weeks, 3 days, 16 hours, 47 minutes, 6 seconds.
• To count from 1 to 21,797,916,426 would take you about one thousand, three hundred eighty-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 21797916426 cubic inches would be around 232.8 feet tall.

Recreational maths with 21797916426

• 21797916426 backwards is 62461979712
• 21797916426 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21797916426's digits is 54
• More coming soon!