30745585728

Names of 30745585728

• Cardinal: 30745585728 can be written as Thirty billion, seven hundred forty-five million, five hundred eighty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.0745585728 × 10¹⁰

Factors of 30745585728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 12101

Divisors of 30745585728

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 31 32 33 36 39 44 48 52 62 64 66 72 78 88 93 96 99 104 117 124 132 143 144 156 176 186 192 198 208 234 248 264 279 286 288 312 341 352 372 396 403 416 429 468 496 528 558 572 576 624 682 704 744 792 806 832 858 936 992 1023 1056 1116 1144 1209 1248 1287 1364 1488 1584 1612 1716 1872 1984 2046 2112 2232 2288 2418 2496 2574 2728 2976 3069 3168 3224 3432 3627 3744 4092 4433 4464 4576 4836 5148 5456 5952 6138 6336 6448 6864 7254 7488 8184 8866 8928 9152 9672 10296 10912 12041 12276 12896 13299 13728 14508 16368 17732 17856 19344 20592 21824 24082 24552 25792 26598 27456 29016 32736 35464 36123 38688 39897 41184 48164 49104 53196 58032 65472 70928 72246 77376 79794 82368 96328 98208 106392 108369 116064 132451 141856 144492 156533 159588 192656 196416 212784 216738 232128 264902 283712 288984 313066 319176 373271 385312 397353 425568 433476 469599 529804 577968 626132 638352 746542 770624 794706 851136 866952 939198 1059608 1119813 1155936 1192059 1252264 1276704 1408797 1493084 1589412 1721863 1733904 1878396 2119216 2239626 2311872 2384118 2504528 2553408 2817594 2986168 3178824 3359439 3443726 3467808 3756792 4105981 4238432 4479252 4768236 4852523 5009056 5165589 5635188 5972336 6357648 6718878 6887452 6935616 7513584 8211962 8476864 8958504 9536472 9705046 10018112 10331178 11270376 11944672 12317943 12715296 13437756 13774904 14557569 15027168 15496767 16423924 17917008 19072944 19410092 20662356 22540752 23889344 24635886 25430592 26875512 27549808 29115138 30054336 30993534 32847848 35834016 36953829 38145888 38820184 41324712 43672707 45081504 49271772 53377753 53751024 55099616 58230276 61987068 65695696 71668032 73907658 76291776 77640368 82649424 87345414 90163008 98543544 106755506 107502048 110199232 116460552 123974136 131391392 147815316 155280736 160133259 165298848 174690828 197087088 213511012 215004096 232921104 247948272 262782784 295630632 310561472 320266518 330597696 349381656 394174176 427022024 465842208 480399777 495896544 591261264 640533036 698763312 788348352 854044048 931684416 960799554 991793088 1182522528 1281066072 1397526624 1708088096 1921599108 2365045056 2562132144 2795053248 3416176192 3843198216 5124264288 7686396432 10248528576 15372792864 30745585728
• Sum of all divisors σ(n): 106882094592
• Sum of proper divisors (its aliquot sum) s(n): 76136508864
• 30745585728 is an abundant number, because the sum of its proper divisors (76136508864) is greater than itself. Its abundance is 45390923136

Bases of 30745585728

• Binary: 11100101000100101000110100001000000₂
• Hexadecimal: 0x728946840
• Base-36: E4H4LS0

Squares and roots of 30745585728

• 30745585728 squared (30745585728²) is 945291041757797289984
• 30745585728 cubed (30745585728³) is 29063526762274784391649147748352
• The square root of 30745585728 is 175344.1921707131
• The cube root of 30745585728 is 3132.7633572359

Scales and comparisons

• 30,745,585,728 seconds is equal to 977 years, 31 weeks, 6 days, 16 hours, 28 minutes, 48 seconds.
• To count from 1 to 30,745,585,728 would take you about one thousand, nine hundred fifty-five 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 30745585728 cubic inches would be around 261.1 feet tall.

Recreational maths with 30745585728

• 30745585728 backwards is 82758554703
• The number of decimal digits it has is: 11
• The sum of 30745585728's digits is 54
• More coming soon!