491442640128

Names of 491442640128

• Cardinal: 491442640128 can be written as Four hundred ninety-one billion, four hundred forty-two million, six hundred forty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 4.91442640128 × 10¹¹

Factors of 491442640128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 37834

Divisors of 491442640128

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 19 22 24 27 32 33 36 38 44 48 54 57 64 66 72 76 81 88 96 99 108 114 128 132 144 152 162 171 176 192 198 209 216 228 243 256 264 288 297 304 324 342 352 384 396 418 432 456 486 513 528 576 594 608 627 648 684 704 768 792 836 864 891 912 972 1026 1056 1152 1188 1216 1254 1296 1368 1408 1539 1584 1672 1728 1782 1824 1881 1944 2052 2112 2304 2376 2432 2508 2592 2673 2736 2816 3078 3168 3344 3456 3564 3648 3762 3888 4104 4224 4617 4752 4864 5016 5184 5346 5472 5643 6156 6336 6688 6912 7128 7296 7524 7776 8208 8448 9234 9504 10032 10368 10692 10944 11286 12312 12672 13376 14256 14592 15048 15552 16416 16929 18468 19008 20064 20736 21384 21888 22572 24624 25344 26752 28512 30096 31104 32832 33858 36936 37799 38016 40128 42768 43776 45144 49248 50787 53504 57024 60192 62208 65664 67716 73872 75598 76032 80256 85536 90288 98496 101574 113397 114048 120384 131328 135432 147744 151196 160512 171072 180576 196992 203148 226794 228096 240768 270864 295488 302392 340191 342144 361152 393984 406296 415789 453588 481536 541728 590976 604784 680382 684288 718181 722304 812592 831578 907176 1020573 1083456 1181952 1209568 1247367 1360764 1436362 1444608 1625184 1663156 1814352 2041146 2154543 2166912 2419136 2494734 2721528 2872724 3061719 3250368 3326312 3628704 3742101 4082292 4309086 4333824 4838272 4989468 5443056 5745448 6123438 6463629 6500736 6652624 7257408 7484202 7899991 8164584 8618172 9185157 9676544 9978936 10886112 11226303 11490896 12246876 12927258 13001472 13305248 14514816 14968404 15799982 16329168 17236344 18370314 19390887 19957872 21772224 22452606 22981792 23699973 24493752 25854516 26610496 29029632 29936808 31599964 32658336 33678909 34472688 36740628 38781774 39915744 43544448 44905212 45963584 47399946 48987504 51709032 53220992 58172661 59873616 63199928 65316672 67357818 68945376 71099919 73481256 77563548 79831488 87088896 89810424 91927168 94799892 97975008 101036727 103418064 106441984 116345322 119747232 126399856 130633344 134715636 137890752 142199838 146962512 155127096 159662976 174517983 179620848 183854336 189599784 195950016 202073454 206836128 213299757 232690644 239494464 252799712 261266688 269431272 275781504 284399676 293925024 310254192 319325952 349035966 359241696 379199568 391900032 404146908 413672256 426599514 465381288 478988928 505599424 538862544 551563008 568799352 587850048 620508384 639899271 698071932 718483392 758399136 783800064 808293816 827344512 853199028 930762576 957977856 1011198848 1077725088 1137598704 1175700096 1241016768 1279798542 1396143864 1436966784 1516798272 1616587632 1654689024 1706398056 1861525152 1919697813 2022397696 2155450176 2275197408 2351400192 2482033536 2559597084 2792287728 2873933568 3033596544 3233175264 3412796112 3723050304 3839395626 4310900352 4550394816 4964067072 5119194168 5584575456 6067193088 6466350528 6825592224 7446100608 7678791252 8621800704 9100789632 10238388336 11169150912 12932701056 13651184448 14892201216 15357582504 18201579264 20476776672 22338301824 25865402112 27302368896 30715165008 40953553344 44676603648 54604737792 61430330016 81907106688 122860660032 163814213376 245721320064 491442640128
• Sum of all divisors σ(n): 1687428288000
• Sum of proper divisors (its aliquot sum) s(n): 1195985647872
• 491442640128 is an abundant number, because the sum of its proper divisors (1195985647872) is greater than itself. Its abundance is 704543007744

Bases of 491442640128

• Binary: 111001001101100010000111001010100000000₂
• Hexadecimal: 0x726C439500
• Base-36: 69RK9C00

Squares and roots of 491442640128

• 491442640128 squared (491442640128²) is 241515868535978915856384
• 491442640128 cubed (491442640128³) is 118691196066128444565404515043377152
• The square root of 491442640128 is 701029.6998900973
• The cube root of 491442640128 is 7891.4645843409

Scales and comparisons

• 491,442,640,128 seconds is equal to 15,626 years, 18 weeks, 3 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 491,442,640,128 would take you about thirty-one thousand, two hundred fifty-two 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 491442640128 cubic inches would be around 657.6 feet tall.

Recreational maths with 491442640128

• 491442640128 backwards is 821046244194
• The number of decimal digits it has is: 12
• The sum of 491442640128's digits is 45
• More coming soon!