21678233472

Names of 21678233472

• Cardinal: 21678233472 can be written as Twenty-one billion, six hundred seventy-eight million, two hundred thirty-three thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1678233472 × 10¹⁰

Factors of 21678233472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 684

Divisors of 21678233472

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 71 72 81 84 96 98 108 112 126 128 142 144 147 162 168 189 192 196 213 216 224 252 284 288 294 324 336 378 384 392 426 432 441 448 497 504 567 568 576 588 601 639 648 672 756 784 852 864 882 896 994 1008 1134 1136 1152 1176 1202 1278 1296 1323 1344 1491 1512 1568 1704 1728 1764 1803 1917 1988 2016 2268 2272 2352 2404 2556 2592 2646 2688 2982 3024 3136 3408 3456 3479 3528 3606 3834 3969 3976 4032 4207 4473 4536 4544 4704 4808 5112 5184 5292 5409 5751 5964 6048 6272 6816 6958 7056 7212 7668 7938 7952 8064 8414 8946 9072 9088 9408 9616 10224 10368 10437 10584 10818 11502 11928 12096 12621 13419 13632 13916 14112 14424 15336 15876 15904 16227 16828 17892 18144 18816 19232 20448 20874 21168 21636 23004 23856 24192 25242 26838 27264 27832 28224 28848 29449 30672 31311 31752 31808 32454 33656 35784 36288 37863 38464 40257 40896 41748 42336 42671 43272 46008 47712 48681 50484 53676 55664 56448 57696 58898 61344 62622 63504 63616 64908 67312 71568 72576 75726 76928 80514 81792 83496 84672 85342 86544 88347 92016 93933 95424 97362 100968 107352 111328 113589 115392 117796 122688 125244 127008 128013 129816 134624 143136 151452 161028 166992 169344 170684 173088 176694 184032 187866 190848 194724 201936 214704 222656 227178 230784 235592 245376 250488 254016 256026 259632 265041 269248 281799 286272 298697 302904 322056 333984 340767 341368 346176 353388 368064 375732 384039 389448 403872 429408 445312 454356 471184 500976 508032 512052 519264 530082 538496 563598 572544 597394 605808 644112 667968 681534 682736 692352 706776 736128 751464 768078 778896 795123 807744 858816 896091 908712 942368 1001952 1024104 1038528 1060164 1127196 1152117 1194788 1211616 1288224 1335936 1363068 1365472 1413552 1502928 1536156 1557792 1590246 1615488 1717632 1792182 1817424 1884736 2003904 2048208 2077056 2090879 2120328 2254392 2304234 2385369 2389576 2423232 2576448 2688273 2726136 2730944 2827104 3005856 3072312 3115584 3180492 3456351 3584364 3634848 3769472 4007808 4096416 4181758 4240656 4508784 4608468 4770738 4779152 4846464 5152896 5376546 5452272 5461888 5654208 6011712 6144624 6231168 6272637 6360984 6912702 7168728 7269696 8064819 8192832 8363516 8481312 9017568 9216936 9541476 9558304 10753092 10904544 11308416 12023424 12289248 12545274 12721968 13825404 14337456 14539392 16129638 16385664 16727032 16962624 18035136 18433872 18817911 19082952 19116608 21506184 21809088 24194457 24578496 25090548 25443936 27650808 28674912 32259276 33454064 33925248 36070272 36867744 37635822 38165904 38233216 43012368 43618176 48388914 49156992 50181096 50887872 55301616 56453733 57349824 64518552 66908128 73735488 75271644 76331808 86024736 96777828 100362192 101775744 110603232 112907466 114699648 129037104 133816256 147470976 150543288 152663616 169361199 172049472 193555656 200724384 221206464 225814932 258074208 267632512 301086576 305327232 338722398 344098944 387111312 401448768 442412928 451629864 516148416 602173152 677444796 774222624 802897536 903259728 1032296832 1204346304 1354889592 1548445248 1806519456 2408692608 2709779184 3096890496 3613038912 5419558368 7226077824 10839116736 21678233472
• Sum of all divisors σ(n): 76230609840
• Sum of proper divisors (its aliquot sum) s(n): 54552376368
• 21678233472 is an abundant number, because the sum of its proper divisors (54552376368) is greater than itself. Its abundance is 32874142896

Bases of 21678233472

• Binary: 10100001100000111111001011110000000₂
• Hexadecimal: 0x50C1F9780
• Base-36: 9YINS00

Squares and roots of 21678233472

• 21678233472 squared (21678233472²) is 469945806466541174784
• 21678233472 cubed (21678233472³) is 10187594911769006943268711170048
• The square root of 21678233472 is 147235.2996804775
• The cube root of 21678233472 is 2788.3115416833

Scales and comparisons

• 21,678,233,472 seconds is equal to 689 years, 15 weeks, 4 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,678,233,472 would take you about one thousand, three hundred seventy-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 21678233472 cubic inches would be around 232.4 feet tall.

Recreational maths with 21678233472

• 21678233472 backwards is 27433287612
• The number of decimal digits it has is: 11
• The sum of 21678233472's digits is 45
• More coming soon!