21210251832

Names of 21210251832

• Cardinal: 21210251832 can be written as Twenty-one billion, two hundred ten million, two hundred fifty-one thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1210251832 × 10¹⁰

Factors of 21210251832

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 960

Divisors of 21210251832

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 28 31 33 36 42 44 56 62 63 66 72 77 84 88 93 99 124 126 132 154 167 168 186 198 217 231 248 252 264 279 308 334 341 372 396 434 462 501 504 558 616 651 668 682 693 739 744 792 868 924 1002 1023 1116 1169 1302 1336 1364 1386 1478 1503 1736 1837 1848 1953 2004 2046 2217 2232 2338 2387 2604 2728 2772 2956 3006 3069 3507 3674 3906 4008 4092 4434 4676 4774 5173 5177 5208 5511 5544 5912 6012 6138 6651 7014 7161 7348 7812 8129 8184 8868 9352 9548 10346 10354 10521 11022 12024 12276 12859 13302 14028 14322 14696 15519 15531 15624 16258 16533 17736 19096 20692 20708 21042 21483 22044 22909 24387 24552 25718 26604 28056 28644 31038 31062 32516 33066 36239 38577 41384 41416 42084 42966 44088 45818 46557 46593 48774 51436 53208 56903 56947 57288 62076 62124 65032 66132 68727 72478 73161 77154 84168 85932 91636 93114 93186 97548 102872 108717 113806 113894 115731 123413 124152 124248 132264 137454 144956 146322 154308 160363 170709 170841 171864 183272 186228 186372 195096 206181 217434 227612 227788 231462 246826 251999 274908 289912 292644 308616 320726 326151 341418 341682 370239 372456 372744 398629 412362 434868 455224 455576 462924 481089 493652 503998 512127 512523 549816 585288 641452 652302 682836 683364 740478 755997 797258 824724 863891 869736 925848 962178 987304 1007996 1024254 1025046 1110717 1195887 1282904 1304604 1357543 1365672 1366728 1443267 1480956 1511994 1594516 1649448 1727782 1763993 1924356 2015992 2048508 2050092 2221434 2267991 2391774 2591673 2609208 2715086 2886534 2961912 3023988 3189032 3455564 3527986 3587661 3825803 3848712 4072629 4097016 4100184 4442868 4535982 4783548 5183346 5291979 5430172 5773068 6047976 6911128 7055972 7175322 7651606 7775019 8145258 8885736 9071964 9502801 9567096 10366692 10583958 10860344 11477409 11546136 12217887 14111944 14350644 15303212 15550038 15875937 16290516 18143928 19005602 20733384 21167916 22954818 24435774 26780621 28508403 28701288 30606424 31100076 31751874 32581032 34432227 38011204 42083833 42335832 45909636 48871548 53561242 57016806 62200152 63503748 68864454 76022408 80341863 84167666 85525209 91819272 97743096 107122484 114033612 126251499 127007496 137728908 160683726 168335332 171050418 214244968 228067224 241025589 252502998 275457816 294586831 321367452 336670664 342100836 378754497 482051178 505005996 589173662 642734904 684201672 757508994 883760493 964102356 1010011992 1178347324 1515017988 1767520986 1928204712 2356694648 2651281479 3030035976 3535041972 5302562958 7070083944 10605125916 21210251832
• Sum of all divisors σ(n): 74472652800
• Sum of proper divisors (its aliquot sum) s(n): 53262400968
• 21210251832 is an abundant number, because the sum of its proper divisors (53262400968) is greater than itself. Its abundance is 32052149136

Bases of 21210251832

• Binary: 10011110000001110101100001000111000₂
• Hexadecimal: 0x4F03AC238
• Base-36: 9QS1B20

Squares and roots of 21210251832

• 21210251832 squared (21210251832²) is 449874782776859356224
• 21210251832 cubed (21210251832³) is 9541957435563483207556436602368
• The square root of 21210251832 is 145637.3984661907
• The cube root of 21210251832 is 2768.1010601475

Scales and comparisons

• 21,210,251,832 seconds is equal to 674 years, 21 weeks, 6 days, 37 minutes, 12 seconds.
• To count from 1 to 21,210,251,832 would take you about one thousand, three hundred forty-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 21210251832 cubic inches would be around 230.7 feet tall.

Recreational maths with 21210251832

• 21210251832 backwards is 23815201212
• The number of decimal digits it has is: 11
• The sum of 21210251832's digits is 27
• More coming soon!