20402976672

Names of 20402976672

• Cardinal: 20402976672 can be written as Twenty billion, four hundred two million, nine hundred seventy-six thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.0402976672 × 10¹⁰

Factors of 20402976672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 749

Divisors of 20402976672

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 53 72 78 96 104 106 117 144 156 159 208 212 229 234 288 312 318 416 424 449 458 468 477 624 636 687 689 848 898 916 936 954 1248 1272 1347 1374 1378 1696 1796 1832 1872 1908 2061 2067 2544 2694 2748 2756 2977 3592 3664 3744 3816 4041 4122 4134 5088 5388 5496 5512 5837 5954 6201 7184 7328 7632 8082 8244 8268 8931 10776 10992 11024 11674 11908 12137 12402 14368 15264 16164 16488 16536 17511 17862 21552 21984 22048 23348 23797 23816 24274 24804 26793 32328 32976 33072 35022 35724 36411 43104 46696 47594 47632 48548 49608 52533 53586 64656 65952 66144 70044 71391 71448 72822 93392 95188 95264 97096 99216 102821 105066 107172 109233 129312 140088 142782 142896 145644 157781 186784 190376 194192 198432 205642 210132 214173 214344 218466 280176 285564 285792 291288 308463 309361 315562 380752 388384 411284 420264 428346 428688 436932 473343 560352 571128 582576 616926 618722 631124 761504 822568 840528 856692 857376 873864 925389 928083 946686 1142256 1165152 1233852 1237444 1262248 1336673 1420029 1645136 1681056 1713384 1747728 1850778 1856166 1893372 2284512 2467704 2474888 2524496 2673346 2784249 2840058 3290272 3426768 3495456 3701556 3712332 3786744 4010019 4935408 4949776 5048992 5346692 5449513 5568498 5680116 6853536 7403112 7424664 7573488 8020038 9870816 9899552 10693384 10899026 11136996 11360232 12030057 14806224 14849328 15146976 16040076 16348539 21386768 21798052 22273992 22720464 24060114 29612448 29698656 32080152 32697078 42773536 43596104 44547984 45440928 48120228 49045617 64160304 65394156 70843669 87192208 89095968 96240456 98091234 128320608 130788312 141687338 174384416 192480912 196182468 212531007 261576624 283374676 384961824 392364936 425062014 523153248 566749352 637593021 784729872 850124028 1133498704 1275186042 1569459744 1700248056 2266997408 2550372084 3400496112 5100744168 6800992224 10201488336 20402976672
• Sum of all divisors σ(n): 64083474000
• Sum of proper divisors (its aliquot sum) s(n): 43680497328
• 20402976672 is an abundant number, because the sum of its proper divisors (43680497328) is greater than itself. Its abundance is 23277520656

Bases of 20402976672

• Binary: 10011000000000111001011011110100000₂
• Hexadecimal: 0x4C01CB7A0
• Base-36: 9DFELK0

Squares and roots of 20402976672

• 20402976672 squared (20402976672²) is 416281457078176195584
• 20402976672 cubed (20402976672³) is 8493380857752198198806061416448
• The square root of 20402976672 is 142838.9886270551
• The cube root of 20402976672 is 2732.5273090093

Scales and comparisons

• 20,402,976,672 seconds is equal to 648 years, 39 weeks, 13 hours, 31 minutes, 12 seconds.
• To count from 1 to 20,402,976,672 would take you about one thousand, two hundred ninety-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 20402976672 cubic inches would be around 227.7 feet tall.

Recreational maths with 20402976672

• 20402976672 backwards is 27667920402
• The number of decimal digits it has is: 11
• The sum of 20402976672's digits is 45
• More coming soon!