21065408832

Names of 21065408832

• Cardinal: 21065408832 can be written as Twenty-one billion, sixty-five million, four hundred eight thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1065408832 × 10¹⁰

Factors of 21065408832

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 136

Divisors of 21065408832

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 17 19 24 26 29 32 34 38 39 48 51 52 53 57 58 64 68 76 78 87 96 102 104 106 114 116 136 152 156 159 174 192 204 208 212 221 228 232 247 272 289 304 312 318 323 348 377 408 416 424 442 456 464 493 494 544 551 578 608 624 636 646 663 689 696 741 754 816 832 848 867 884 901 912 928 969 986 988 1007 1088 1102 1131 1156 1216 1248 1272 1292 1326 1378 1392 1479 1482 1508 1537 1632 1653 1696 1734 1768 1802 1824 1856 1938 1972 1976 2014 2067 2204 2262 2312 2496 2544 2584 2652 2703 2756 2784 2958 2964 3016 3021 3074 3264 3306 3392 3468 3536 3604 3648 3757 3876 3944 3952 4028 4134 4199 4408 4524 4611 4624 5088 5168 5304 5406 5491 5512 5568 5916 5928 6032 6042 6148 6409 6612 6936 7072 7163 7208 7514 7752 7888 7904 8056 8268 8381 8398 8816 9048 9222 9248 9367 10176 10336 10608 10812 10982 11024 11271 11713 11832 11856 12064 12084 12296 12597 12818 13091 13224 13872 14144 14326 14416 15028 15317 15504 15776 15808 16112 16473 16536 16762 16796 17119 17632 18096 18444 18496 18734 19227 19981 20672 21216 21489 21624 21964 22048 22542 23426 23664 23712 24128 24168 24592 25143 25194 25636 26129 26182 26448 27744 28101 28652 28832 29203 30056 30634 31008 31552 32224 32946 33072 33524 33592 34238 35139 35264 36192 36888 37468 38454 39273 39962 42432 42978 43248 43928 44096 45084 45951 46852 47328 47424 48336 49184 50286 50388 51272 51357 52258 52364 52896 55488 56202 57304 57664 58406 59943 60112 61268 62016 64448 65892 66144 67048 67184 68476 70278 71383 72384 73776 74936 76908 78387 78546 79924 85956 86496 87609 87856 90168 91902 93704 94656 96672 98368 100572 100776 102544 102714 104516 104728 105792 108953 112404 114608 116812 119886 120224 121771 122536 131784 132288 134096 134368 136952 140556 142766 147552 149872 153816 156774 157092 159239 159848 171912 172992 175218 175712 180336 183804 187408 193344 199121 201144 201552 205088 205428 209032 209456 214149 217906 222547 224808 229216 233624 239772 240448 243542 245072 263568 268192 268736 273904 281112 285532 291023 295104 299744 307632 313548 314184 318478 319696 326859 339677 343824 350436 351424 360672 365313 367608 374816 379639 398242 402288 403104 410176 410856 418064 418912 428298 435812 444193 445094 449616 458432 467248 477717 479544 487084 490144 496451 527136 536384 547808 562224 571064 582046 597363 599488 615264 627096 628368 636956 639392 653718 667641 679354 687648 700872 721344 730626 735216 749632 759278 796484 804576 806208 821712 836128 837824 856596 871624 873069 888386 890188 899232 934496 955434 959088 974168 980288 992902 1019031 1054272 1095616 1124448 1138917 1142128 1164092 1194726 1230528 1254192 1256736 1273912 1278784 1307436 1332579 1335282 1358708 1375296 1401744 1461252 1470432 1489353 1518556 1592968 1609152 1643424 1672256 1713192 1743248 1746138 1776772 1780376 1798464 1868992 1910868 1918176 1948336 1985804 2038062 2070107 2248896 2277834 2284256 2328184 2389452 2508384 2513472 2547824 2614872 2665158 2670564 2717416 2803488 2922504 2940864 2978706 3037112 3185936 3286848 3426384 3486496 3492276 3553544 3560752 3783299 3821736 3836352 3896672 3971608 4076124 4140214 4555668 4568512 4656368 4778904 5016768 5095648 5229744 5330316 5341128 5434832 5606976 5774509 5845008 5957412 6074224 6210321 6371872 6453863 6852768 6972992 6984552 7107088 7121504 7566598 7643472 7793344 7943216 8152248 8280428 8439667 9111336 9312736 9557808 10191296 10459488 10660632 10682256 10869664 11349897 11549018 11690016 11914824 12148448 12420642 12743744 12907726 13705536 13969104 14214176 14243008 15133196 15286944 15886432 16304496 16560856 16879334 17323527 18222672 18625472 19115616 19361589 20918976 21321264 21364512 21739328 22699794 23098036 23380032 23829648 24296896 24841284 25319001 25815452 27938208 28428352 30266392 30573888 31772864 32608992 33121712 33758668 34647054 36445344 38231232 38723178 42642528 42729024 45399588 46196072 47659296 49682568 50638002 51630904 55876416 60532784 65217984 66243424 67517336 69294108 72890688 77446356 85285056 90799176 92392144 95318592 99365136 101276004 103261808 109715671 121065568 132486848 135034672 138588216 154892712 181598352 184784288 198730272 202552008 206523616 219431342 242131136 270069344 277176432 309785424 329147013 363196704 369568576 397460544 405104016 413047232 438862684 540138688 554352864 619570848 658294026 726393408 810208032 877725368 1108705728 1239141696 1316588052 1620416064 1755450736 2633176104 3510901472 5266352208 7021802944 10532704416 21065408832
• Sum of all divisors σ(n): 70741641600
• Sum of proper divisors (its aliquot sum) s(n): 49676232768
• 21065408832 is an abundant number, because the sum of its proper divisors (49676232768) is greater than itself. Its abundance is 28610823936

Bases of 21065408832

• Binary: 10011100111100110001010000101000000₂
• Hexadecimal: 0x4E798A140
• Base-36: 9ODSTHC

Squares and roots of 21065408832

• 21065408832 squared (21065408832²) is 443751449259303604224
• 21065408832 cubed (21065408832³) is 9347805698439734002589682106368
• The square root of 21065408832 is 145139.2739130247
• The cube root of 21065408832 is 2761.7856204065

Scales and comparisons

• 21,065,408,832 seconds is equal to 669 years, 42 weeks, 2 days, 14 hours, 27 minutes, 12 seconds.
• To count from 1 to 21,065,408,832 would take you about one thousand, three hundred thirty-nine 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 21065408832 cubic inches would be around 230.1 feet tall.

Recreational maths with 21065408832

• 21065408832 backwards is 23880456012
• 21065408832 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21065408832's digits is 39
• More coming soon!