21513413376

Names of 21513413376

• Cardinal: 21513413376 can be written as Twenty-one billion, five hundred thirteen million, four hundred thirteen thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 2.1513413376 × 10¹⁰

Factors of 21513413376

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 902

Divisors of 21513413376

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 64 72 78 81 84 91 96 104 108 112 117 126 128 144 156 162 168 169 182 189 192 208 216 224 234 252 256 273 288 312 324 336 338 351 364 378 384 416 432 448 468 504 507 546 567 576 624 648 672 676 702 728 756 768 819 832 864 877 896 936 1008 1014 1053 1092 1134 1152 1183 1248 1296 1344 1352 1404 1456 1512 1521 1638 1664 1728 1754 1792 1872 2016 2028 2106 2184 2268 2304 2366 2457 2496 2592 2631 2688 2704 2808 2912 3024 3042 3276 3328 3456 3508 3549 3744 4032 4056 4212 4368 4536 4563 4732 4914 4992 5184 5262 5376 5408 5616 5824 6048 6084 6139 6552 6912 7016 7098 7371 7488 7893 8064 8112 8424 8736 9072 9126 9464 9828 9984 10368 10524 10647 10816 11232 11401 11648 12096 12168 12278 13104 13689 14032 14196 14742 14976 15786 16128 16224 16848 17472 18144 18252 18417 18928 19656 20736 21048 21294 21632 22464 22802 23296 23679 24192 24336 24556 26208 27378 28064 28392 29484 29952 31572 31941 32448 33696 34203 34944 36288 36504 36834 37856 39312 42096 42588 43264 44928 45604 47358 48384 48672 49112 52416 54756 55251 56128 56784 58968 63144 63882 64896 67392 68406 69888 71037 72576 73008 73668 75712 78624 79807 84192 85176 89856 91208 94716 95823 97344 98224 102609 104832 109512 110502 112256 113568 117936 126288 127764 129792 134784 136812 142074 145152 146016 147336 148213 151424 157248 159614 165753 168384 170352 182416 189432 191646 194688 196448 205218 209664 219024 221004 224512 227136 235872 239421 252576 255528 269568 273624 284148 292032 294672 296426 302848 307827 314496 319228 331506 336768 340704 364832 378864 383292 389376 392896 410436 438048 442008 444639 454272 471744 478842 497259 505152 511056 547248 568296 584064 589344 592852 615654 628992 638456 663012 673536 681408 718263 729664 757728 766584 785792 820872 876096 884016 889278 908544 923481 943488 957684 994518 1010304 1022112 1037491 1094496 1136592 1168128 1178688 1185704 1231308 1276912 1326024 1333917 1362816 1436526 1459328 1515456 1533168 1571584 1641744 1752192 1768032 1778556 1846962 1886976 1915368 1989036 2020608 2044224 2074982 2154789 2188992 2273184 2357376 2371408 2462616 2553824 2652048 2667834 2725632 2873052 2918656 3030912 3066336 3112473 3283488 3504384 3536064 3557112 3693924 3830736 3978072 4001751 4088448 4149964 4309578 4377984 4546368 4714752 4742816 4925232 5107648 5304096 5335668 5746104 6061824 6132672 6224946 6464367 6566976 7072128 7114224 7387848 7661472 7956144 8003502 8176896 8299928 8619156 8755968 9092736 9337419 9485632 9850464 10215296 10608192 10671336 11492208 12005253 12265344 12449892 12928734 13133952 14144256 14228448 14775696 15322944 15912288 16007004 16599856 17238312 18185472 18674838 18971264 19700928 20430592 21216384 21342672 22984416 24010506 24530688 24899784 25857468 26267904 28012257 28456896 29551392 30645888 31824576 32014008 33199712 34476624 37349676 37942528 39401856 42432768 42685344 45968832 48021012 49799568 51714936 56024514 56913792 59102784 61291776 63649152 64028016 66399424 68953248 74699352 78803712 84036771 85370688 91937664 96042024 99599136 103429872 112049028 113827584 118205568 127298304 128056032 132798848 137906496 149398704 168073542 170741376 183875328 192084048 199198272 206859744 224098056 236411136 256112064 265597696 275812992 298797408 336147084 341482752 384168096 398396544 413719488 448196112 512224128 551625984 597594816 672294168 768336192 796793088 827438976 896392224 1024448256 1195189632 1344588336 1536672384 1654877952 1792784448 2390379264 2689176672 3073344768 3585568896 5378353344 7171137792 10756706688 21513413376
• Sum of all divisors σ(n): 79477072752
• Sum of proper divisors (its aliquot sum) s(n): 57963659376
• 21513413376 is an abundant number, because the sum of its proper divisors (57963659376) is greater than itself. Its abundance is 36450246000

Bases of 21513413376

• Binary: 10100000010010011001010001100000000₂
• Hexadecimal: 0x5024CA300
• Base-36: 9VSJ400

Squares and roots of 21513413376

• 21513413376 squared (21513413376²) is 462826955086655717376
• 21513413376 cubed (21513413376³) is 9956987606334610349303714021376
• The square root of 21513413376 is 146674.5150869775
• The cube root of 21513413376 is 2781.2270248923

Scales and comparisons

• 21,513,413,376 seconds is equal to 684 years, 3 weeks, 20 hours, 9 minutes, 36 seconds.
• To count from 1 to 21,513,413,376 would take you about one thousand, three hundred sixty-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 21513413376 cubic inches would be around 231.8 feet tall.

Recreational maths with 21513413376

• 21513413376 backwards is 67331431512
• 21513413376 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21513413376's digits is 36
• More coming soon!