21127867904

Names of 21127867904

• Cardinal: 21127867904 can be written as Twenty-one billion, one hundred twenty-seven million, eight hundred sixty-seven thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1127867904 × 10¹⁰

Factors of 21127867904

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 225

Divisors of 21127867904

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 32 44 52 59 64 67 73 88 104 118 128 134 143 146 176 208 236 256 268 286 292 352 416 472 512 536 572 584 649 704 737 767 803 832 871 944 949 1072 1144 1168 1298 1408 1474 1534 1606 1664 1742 1888 1898 2144 2288 2336 2596 2816 2948 3068 3212 3328 3484 3776 3796 3953 4288 4307 4576 4672 4891 5192 5632 5896 6136 6424 6656 6968 7552 7592 7906 8437 8576 8614 9152 9344 9581 9782 10384 10439 11792 12272 12848 13936 15104 15184 15812 16874 17152 17228 18304 18688 19162 19564 20768 20878 23584 24544 25696 27872 30208 30368 31624 33748 34304 34456 36608 37376 38324 39128 41536 41756 43483 47168 47377 49088 51389 51392 53801 55744 55991 60736 63248 63583 67496 68912 73216 76648 78256 83072 83512 86966 94336 94754 98176 102778 102784 107602 111488 111982 121472 126496 127166 134992 137824 153296 156512 166144 167024 173932 188672 189508 196352 205556 205568 215204 222976 223964 242944 252992 254332 269984 275648 288569 306592 313024 332288 334048 347864 377344 379016 392704 411112 411136 430408 445952 447928 485888 505984 508664 539968 551296 565279 577138 613184 615901 626048 668096 695728 699413 758032 822224 860816 895856 1011968 1017328 1079936 1102592 1130558 1154276 1226368 1231802 1252096 1336192 1391456 1398826 1516064 1644448 1721632 1791712 2023936 2034656 2159872 2205184 2261116 2308552 2452736 2463604 2504192 2672384 2782912 2797652 3032128 3174259 3288896 3443264 3583424 3751397 4069312 4319744 4522232 4617104 4905472 4927208 5344768 5565824 5595304 6064256 6348518 6577792 6886528 7166848 7502794 8138624 9044464 9234208 9854416 11131648 11190608 12128512 12697036 13155584 13773056 14333696 15005588 16277248 18088928 18468416 19708832 22263296 22381216 24257024 25394072 26311168 27546112 28667392 30011176 32554496 36177856 36936832 39417664 41265367 44762432 50788144 60022352 72355712 73873664 78835328 82530734 89524864 101576288 120044704 144711424 147747328 157670656 165061468 179049728 203152576 240089408 289422848 315341312 330122936 358099456 406305152 480178816 660245872 812610304 960357632 1320491744 1625220608 1920715264 2640983488 5281966976 10563933952 21127867904
• Sum of all divisors σ(n): 51889178880
• Sum of proper divisors (its aliquot sum) s(n): 30761310976
• 21127867904 is an abundant number, because the sum of its proper divisors (30761310976) is greater than itself. Its abundance is 9633443072

Bases of 21127867904

• Binary: 10011101011010100011010111000000000₂
• Hexadecimal: 0x4EB51AE00
• Base-36: 9PEZJ7K

Squares and roots of 21127867904

• 21127867904 squared (21127867904²) is 446386802168873353216
• 21127867904 cubed (21127867904³) is 9431201390312936907253181579264
• The square root of 21127867904 is 145354.2840923515
• The cube root of 21127867904 is 2764.5124977895

Scales and comparisons

• 21,127,867,904 seconds is equal to 671 years, 41 weeks, 4 days, 12 hours, 11 minutes, 44 seconds.
• To count from 1 to 21,127,867,904 would take you about one thousand, three hundred forty-three 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 21127867904 cubic inches would be around 230.4 feet tall.

Recreational maths with 21127867904

• 21127867904 backwards is 40976872112
• The number of decimal digits it has is: 11
• The sum of 21127867904's digits is 47
• More coming soon!