21029277672

Names of 21029277672

• Cardinal: 21029277672 can be written as Twenty-one billion, twenty-nine million, two hundred seventy-seven thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1029277672 × 10¹⁰

Factors of 21029277672

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 194

Divisors of 21029277672

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 19 24 26 27 36 37 38 39 52 53 54 57 67 72 74 76 78 81 104 106 108 111 114 117 134 148 152 156 159 162 171 201 212 216 222 228 234 247 268 296 312 318 324 333 342 351 402 424 444 456 468 477 481 494 513 536 603 636 648 666 684 689 702 703 741 804 871 888 936 954 962 988 999 1007 1026 1053 1206 1272 1273 1332 1368 1378 1404 1406 1431 1443 1482 1539 1608 1742 1809 1908 1924 1961 1976 1998 2014 2052 2067 2106 2109 2223 2412 2479 2546 2613 2664 2756 2808 2812 2862 2886 2964 2997 3021 3078 3484 3551 3618 3816 3819 3848 3922 3996 4028 4104 4134 4212 4218 4293 4329 4446 4824 4958 5092 5226 5427 5512 5624 5724 5772 5883 5928 5994 6042 6156 6201 6327 6669 6968 7102 7236 7437 7638 7839 7844 7992 8056 8268 8424 8436 8586 8658 8892 9063 9139 9916 10184 10452 10653 10854 11448 11457 11544 11766 11988 12084 12312 12402 12654 12987 13091 13338 14204 14472 14874 15276 15678 15688 16536 16549 16872 17172 17316 17649 17784 18126 18278 18603 18981 19832 20007 20904 21306 21708 22311 22914 23517 23532 23976 24168 24804 25308 25493 25974 26182 26676 27189 27417 28408 29748 30552 31356 31959 32227 33098 34344 34371 34632 35298 36252 36556 37206 37259 37962 38961 39273 40014 42612 43416 44622 45828 46163 47034 47064 47101 49608 49647 50616 50986 51948 52364 52947 53352 54378 54834 55809 56943 59496 62712 63918 64454 66196 66933 67469 68742 70551 70596 72504 73112 74412 74518 75924 76479 77922 78546 80028 81567 82251 85224 89244 91656 92326 94068 94202 95877 96681 99294 101972 103113 103896 104728 105894 108756 109668 111618 111777 113886 117819 127836 128908 131387 132392 133866 134938 137484 138489 141102 141192 141303 148824 148941 149036 151848 152958 155844 157092 158841 160056 163134 164502 178488 184652 188136 188404 191754 193362 198588 200799 202407 203944 206226 211788 217512 219336 223236 223554 227772 229437 235638 246753 255672 257816 262774 267732 269876 274968 276978 282204 282606 287631 290043 297882 298072 305916 311688 314184 317682 326268 329004 335331 353457 369304 376808 383508 386724 394161 397176 401598 404814 412452 415467 423576 423909 446472 446823 447108 455544 458874 471276 484367 493506 525548 535464 539752 553956 564408 565212 575262 580086 595764 607221 611832 612313 635364 652536 658008 670662 688311 706914 740259 767016 773448 788322 803196 809628 824904 830934 847818 870129 877097 893646 894216 917748 942552 968734 987012 1005993 1051096 1060371 1107912 1130424 1150524 1160172 1182483 1191528 1214442 1224626 1246401 1270728 1271727 1340469 1341324 1376622 1413828 1453101 1480518 1576644 1606392 1619256 1661868 1695636 1708031 1740258 1754194 1787292 1821663 1835496 1836939 1937468 1974024 2011986 2064933 2120742 2301048 2320344 2364966 2428884 2449252 2492802 2496353 2543454 2610387 2631291 2680938 2682648 2753244 2827656 2906202 2961036 3017979 3153288 3323736 3391272 3416062 3480516 3508388 3547449 3574584 3643326 3673878 3739203 3815181 3874936 4023972 4129866 4241484 4359303 4729932 4857768 4898504 4985604 4992706 5086908 5124093 5220774 5262582 5361876 5464989 5506488 5510817 5812404 5922072 6035958 6832124 6961032 7016776 7094898 7286652 7347756 7478406 7489059 7630362 7893873 8047944 8259732 8482968 8718606 9459864 9971208 9985412 10173816 10248186 10441548 10525164 10642347 10723752 10929978 11021634 11624808 12071916 13077909 13664248 14189796 14573304 14695512 14956812 14978118 15260724 15372279 15787746 16519464 16532451 17437212 19970824 20496372 20883096 21050328 21284694 21859956 22043268 22467177 23681619 24143832 26155818 28379592 29913624 29956236 30521448 30744558 31575492 32452589 33064902 34874424 39233727 40992744 42569388 43719912 44086536 44934354 46116837 47363238 49597353 52311636 59912472 61489116 63150984 64905178 66129804 67401531 71044857 78467454 85138776 89868708 92233674 94726476 97357767 99194706 104623272 122978232 129810356 132259608 134803062 138350511 142089714 156934908 179737416 184467348 189452952 194715534 198389412 202204593 259620712 269606124 276701022 284179428 292073301 313869816 368934696 389431068 396778824 404409186 539212248 553402044 568358856 584146602 778862136 808818372 876219903 1106804088 1168293204 1617636744 1752439806 2336586408 2628659709 3504879612 5257319418 7009759224 10514638836 21029277672
• Sum of all divisors σ(n): 70912195200
• Sum of proper divisors (its aliquot sum) s(n): 49882917528
• 21029277672 is an abundant number, because the sum of its proper divisors (49882917528) is greater than itself. Its abundance is 28853639856

Bases of 21029277672

• Binary: 10011100101011100010100111111101000₂
• Hexadecimal: 0x4E5714FE8
• Base-36: 9NSAEI0

Squares and roots of 21029277672

• 21029277672 squared (21029277672²) is 442230519406077739584
• 21029277672 cubed (21029277672³) is 9299788387623193310130041768448
• The square root of 21029277672 is 145014.7498429039
• The cube root of 21029277672 is 2760.2057219059

Scales and comparisons

• 21,029,277,672 seconds is equal to 668 years, 34 weeks, 4 days, 10 hours, 1 minute, 12 seconds.
• To count from 1 to 21,029,277,672 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 21029277672 cubic inches would be around 230 feet tall.

Recreational maths with 21029277672

• 21029277672 backwards is 27677292012
• The number of decimal digits it has is: 11
• The sum of 21029277672's digits is 45
• More coming soon!