21738116790

Names of 21738116790

• Cardinal: 21738116790 can be written as Twenty-one billion, seven hundred thirty-eight million, one hundred sixteen thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.173811679 × 10¹⁰

Factors of 21738116790

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 186

Divisors of 21738116790

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 19 26 30 37 38 39 45 57 65 74 78 90 95 107 111 114 117 130 169 171 185 190 195 214 222 234 247 285 321 333 338 342 361 370 390 481 494 507 535 555 570 585 642 666 703 722 741 845 855 962 963 1014 1070 1083 1110 1170 1235 1391 1406 1443 1482 1521 1605 1665 1690 1710 1805 1926 2033 2109 2166 2223 2405 2470 2535 2782 2886 3042 3210 3211 3249 3330 3515 3610 3705 3959 4066 4173 4218 4329 4446 4693 4810 4815 5070 5415 6099 6253 6327 6422 6498 6955 7030 7215 7410 7605 7918 8346 8658 9139 9386 9630 9633 10165 10545 10830 11115 11877 12198 12506 12519 12654 13357 13910 14079 14430 15210 16055 16245 18083 18278 18297 18759 19266 19795 20330 20865 21090 21645 22230 23465 23754 25038 26429 26714 27417 28158 28899 30495 31265 31635 32110 32490 35631 36166 36594 37518 38627 39590 40071 41730 42237 43290 45695 46930 48165 51467 52858 54249 54834 56277 57798 59385 60990 61009 62530 62595 63270 66785 70395 71262 75221 77254 79287 80142 82251 84474 90415 91390 91485 93795 96330 102934 108498 112554 115881 118770 118807 120213 122018 125190 132145 133570 137085 140790 144495 150442 154401 158574 162747 164502 173641 178155 180830 182970 183027 187590 193135 200355 211185 225663 231762 237614 237861 240426 257335 264290 271245 274170 281385 288990 305045 308802 325494 343577 347282 347643 356310 356421 366054 376105 386270 396435 400710 411255 422370 451326 463203 475722 502151 514670 520923 542490 549081 562770 579405 594035 601065 610090 669071 676989 687154 695286 712842 752210 772005 792870 813735 822510 868205 915135 926406 977873 1004302 1030731 1041846 1069263 1098162 1128315 1158810 1188070 1189305 1202130 1338142 1353978 1429199 1506453 1544010 1562769 1627470 1717885 1736410 1738215 1782105 1830270 1955746 2007213 2061462 2138526 2256630 2257333 2316015 2378610 2510755 2604615 2745405 2858398 2933619 3012906 3092193 3125538 3345355 3384945 3435770 3476430 3564210 4014426 4287597 4514666 4519359 4632030 4889365 5021510 5153655 5209230 5346315 5490810 5867238 6021639 6184386 6527963 6690710 6769890 6771999 7145995 7532265 7813845 8575194 8800857 9038718 9778730 10036065 10307310 10692630 11286665 12043278 12712349 12862791 13055926 13543998 14291990 14668095 15064530 15460965 15627690 17601714 18579587 19583889 20072130 20315997 21437985 22573330 22596795 25424698 25725582 29336190 30108195 30921930 32639815 33859995 37159174 38137047 39167778 40631994 42875970 44004285 45193590 55738761 58751667 60216390 63561745 64313955 65279630 67719990 76274094 88008570 92897935 97919445 101579985 111477522 114411141 117503334 127123490 128627910 167216283 185795870 190685235 195838890 203159970 228822282 241534631 278693805 293758335 334432566 381370470 483069262 557387610 572055705 587516670 724603893 836081415 1144111410 1207673155 1449207786 1672162830 2173811679 2415346310 3623019465 4347623358 7246038930 10869058395 21738116790
• Sum of all divisors σ(n): 66957506928
• Sum of proper divisors (its aliquot sum) s(n): 45219390138
• 21738116790 is an abundant number, because the sum of its proper divisors (45219390138) is greater than itself. Its abundance is 23481273348

Bases of 21738116790

• Binary: 10100001111101100010101011010110110₂
• Hexadecimal: 0x50FB156B6
• Base-36: 9ZIBA9I

Squares and roots of 21738116790

• 21738116790 squared (21738116790²) is 472545721575679904100
• 21738116790 cubed (21738116790³) is 10272254084226952578981799839000
• The square root of 21738116790 is 147438.5186781257
• The cube root of 21738116790 is 2790.8766313009

Scales and comparisons

• 21,738,116,790 seconds is equal to 691 years, 10 weeks, 4 days, 13 hours, 46 minutes, 30 seconds.
• To count from 1 to 21,738,116,790 would take you about one thousand, three hundred eighty-two 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 21738116790 cubic inches would be around 232.6 feet tall.

Recreational maths with 21738116790

• 21738116790 backwards is 09761183712
• 21738116790 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21738116790's digits is 45
• More coming soon!