21027262464

Names of 21027262464

• Cardinal: 21027262464 can be written as Twenty-one billion, twenty-seven million, two hundred sixty-two thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.1027262464 × 10¹⁰

Factors of 21027262464

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 153

Divisors of 21027262464

• Number of divisors d(n): 624
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 24 26 29 32 34 36 39 48 51 52 58 64 68 72 78 87 89 96 102 104 116 117 128 136 144 153 156 174 178 192 204 208 221 232 234 256 261 267 272 288 306 312 348 356 377 384 408 416 442 464 468 493 512 522 534 544 576 612 624 663 696 712 754 768 801 816 832 884 928 936 986 1024 1044 1068 1088 1131 1152 1157 1224 1248 1326 1392 1424 1479 1508 1513 1536 1602 1632 1664 1768 1856 1872 1972 1989 2048 2088 2136 2176 2262 2304 2314 2448 2496 2581 2652 2784 2848 2958 3016 3026 3072 3204 3264 3328 3393 3471 3536 3712 3744 3944 3978 4096 4176 4272 4352 4437 4524 4539 4608 4628 4896 4992 5162 5304 5568 5696 5916 6032 6052 6144 6408 6409 6528 6656 6786 6942 7072 7424 7488 7743 7888 7956 8352 8544 8704 8874 9048 9078 9216 9256 9792 9984 10324 10413 10608 11136 11392 11832 12064 12104 12288 12816 12818 13056 13312 13572 13617 13884 14144 14848 14976 15486 15776 15912 16704 17088 17408 17748 18096 18156 18432 18512 19227 19584 19669 19968 20648 20826 21216 22272 22784 23229 23664 24128 24208 25632 25636 26112 26624 27144 27234 27768 28288 29696 29952 30972 31552 31824 33408 33553 34176 34816 35496 36192 36312 36864 37024 38454 39168 39338 39936 41296 41652 42432 43877 44544 45568 46458 47328 48256 48416 51264 51272 52224 53248 54288 54468 55536 56576 57681 59007 59392 59904 61944 63104 63648 66816 67106 68352 69632 70992 72384 72624 74048 76908 78336 78676 79872 82592 83304 84864 87754 89088 91136 92916 94656 96512 96832 100659 102528 102544 104448 108576 108936 111072 113152 115362 118014 118784 119808 123888 126208 127296 131631 133632 134212 136704 141984 144768 145248 148096 153816 156672 157352 159744 165184 166608 169728 175508 177021 178176 182272 185832 189312 193024 193664 201318 205056 205088 208896 217152 217872 222144 226304 230724 236028 239616 247776 252416 254592 263262 267264 268424 273408 283968 289536 290496 296192 301977 307632 313344 314704 330368 333216 339456 351016 354042 356352 364544 371664 378624 386048 387328 394893 402636 410112 410176 434304 435744 444288 452608 461448 472056 479232 495552 504832 509184 526524 534528 536848 546816 567936 570401 579072 580992 592384 603954 615264 626688 629408 660736 666432 678912 702032 708084 743328 757248 772096 774656 789786 805272 820224 820352 868608 871488 888576 905216 922896 944112 991104 1009664 1018368 1053048 1069056 1073696 1093632 1135872 1140802 1158144 1161984 1184768 1207908 1230528 1258816 1321472 1332864 1357824 1404064 1416168 1486656 1514496 1544192 1549312 1579572 1610544 1640448 1640704 1711203 1737216 1742976 1777152 1845792 1888224 1982208 2019328 2036736 2106096 2147392 2271744 2281604 2316288 2323968 2369536 2415816 2461056 2517632 2642944 2665728 2715648 2808128 2832336 2973312 3028992 3098624 3159144 3221088 3280896 3281408 3422406 3474432 3485952 3554304 3691584 3776448 3964416 4073472 4212192 4294784 4543488 4563208 4632576 4647936 4739072 4831632 4922112 5035264 5133609 5285888 5331456 5616256 5664672 5946624 6057984 6197248 6318288 6442176 6562816 6844812 6948864 6971904 7108608 7383168 7552896 7928832 8146944 8424384 8589568 9086976 9126416 9295872 9663264 9844224 10070528 10267218 10571776 10662912 11232512 11329344 11893248 12636576 12884352 13125632 13689624 13897728 13943808 14217216 14766336 15105792 15857664 16848768 17179136 18173952 18252832 18591744 19326528 19688448 20141056 20534436 21325824 22465024 22658688 23786496 25273152 25768704 26251264 27379248 27887616 29532672 30211584 31715328 33697536 34358272 36505664 38653056 39376896 40282112 41068872 42651648 44930048 45317376 47572992 50546304 51537408 54758496 55775232 59065344 60423168 67395072 68716544 73011328 77306112 78753792 80564224 82137744 89860096 90634752 95145984 101092608 103074816 109516992 118130688 120846336 134790144 137433088 146022656 154612224 164275488 179720192 181269504 202185216 206149632 219033984 236261376 241692672 269580288 292045312 309224448 328550976 362539008 404370432 412299264 438067968 539160576 584090624 618448896 657101952 725078016 808740864 876135936 1168181248 1236897792 1314203904 1617481728 1752271872 2336362496 2628407808 3504543744 5256815616 7009087488 10513631232 21027262464
• Sum of all divisors σ(n): 72451033200
• Sum of proper divisors (its aliquot sum) s(n): 51423770736
• 21027262464 is an abundant number, because the sum of its proper divisors (51423770736) is greater than itself. Its abundance is 30396508272

Bases of 21027262464

• Binary: 10011100101010100101001000000000000₂
• Hexadecimal: 0x4E5529000
• Base-36: 9NR37K0

Squares and roots of 21027262464

• 21027262464 squared (21027262464²) is 442145766729943351296
• 21027262464 cubed (21027262464³) is 9297115084377037855552746553344
• The square root of 21027262464 is 145007.8013901321
• The cube root of 21027262464 is 2760.1175501287

Scales and comparisons

• 21,027,262,464 seconds is equal to 668 years, 31 weeks, 2 days, 2 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,027,262,464 would take you about one thousand, three hundred thirty-seven 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 21027262464 cubic inches would be around 230 feet tall.

Recreational maths with 21027262464

• 21027262464 backwards is 46426272012
• 21027262464 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21027262464's digits is 36
• More coming soon!