990435428928

Names of 990435428928

• Cardinal: 990435428928 can be written as Nine hundred ninety billion, four hundred thirty-five million, four hundred twenty-eight thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 9.90435428928 × 10¹¹

Factors of 990435428928

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 643

Divisors of 990435428928

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 17 18 22 24 27 32 33 34 36 44 48 51 54 64 66 68 72 81 88 96 99 102 108 121 132 136 144 153 162 176 187 192 198 204 216 242 264 272 288 293 297 306 317 324 352 363 374 396 408 432 459 484 528 544 561 576 586 594 612 634 648 704 726 748 792 816 864 879 891 918 951 968 1056 1088 1089 1122 1172 1188 1224 1268 1296 1377 1452 1496 1584 1632 1683 1728 1758 1782 1836 1902 1936 2057 2112 2178 2244 2344 2376 2448 2536 2592 2637 2754 2853 2904 2992 3168 3223 3264 3267 3366 3487 3516 3564 3672 3804 3872 4114 4356 4488 4688 4752 4896 4981 5049 5072 5184 5274 5389 5508 5706 5808 5984 6171 6336 6446 6534 6732 6974 7032 7128 7344 7608 7744 7911 8228 8559 8712 8976 9376 9504 9669 9792 9801 9962 10098 10144 10461 10548 10778 11016 11412 11616 11968 12342 12892 13068 13464 13948 14064 14256 14688 14943 15147 15216 15822 16167 16456 17118 17424 17952 18513 18752 19008 19338 19602 19924 20196 20288 20922 21096 21556 22032 22824 23232 23733 24684 25677 25784 26136 26928 27896 28128 28512 29007 29376 29886 30294 30432 31383 31644 32334 32912 34236 34848 35453 35904 37026 38357 38676 39204 39848 40392 41844 42192 43112 44064 44829 45648 47466 48501 49368 51354 51568 52272 53856 54791 55539 55792 56256 57024 58014 59279 59772 60588 60864 62766 63288 64668 65824 68472 69696 70906 74052 76714 77352 78408 79696 80784 83688 84384 86224 87021 88128 89658 91296 92881 94149 94932 97002 98736 102708 103136 104544 106359 107712 109582 111078 111584 115071 116028 118558 119544 121176 125532 126576 129336 131648 134487 136944 141812 145503 148104 153428 154704 156816 159392 161568 164373 166617 167376 168768 172448 174042 177837 179316 182592 185762 188298 189864 194004 197472 205416 206272 209088 212718 219164 222156 223168 230142 232056 237116 239088 242352 251064 253152 258672 261063 268974 273888 278643 282447 283624 291006 296208 306856 309408 313632 318784 319077 323136 328746 333234 334752 344896 345213 348084 355674 358632 371524 376596 379728 388008 394944 403461 410832 425436 436509 438328 444312 460284 464112 474232 478176 484704 493119 502128 506304 517344 522126 533511 537948 547776 557286 564894 567248 582012 592416 602701 613712 618816 627264 638154 652069 657492 666468 669504 690426 696168 711348 717264 743048 753192 759456 776016 806922 821664 835929 850872 873018 876656 888624 920568 928224 948464 956352 957231 969408 986238 1004256 1021691 1034688 1035639 1044252 1067022 1075896 1114572 1129788 1134496 1164024 1184832 1205402 1227424 1276308 1304138 1314984 1332936 1380852 1392336 1422696 1434528 1479357 1486096 1506384 1518912 1552032 1578977 1600533 1613844 1643328 1671858 1701744 1746036 1753312 1777248 1808103 1841136 1856448 1896928 1914462 1956207 1972476 2008512 2043382 2071278 2088504 2134044 2151792 2229144 2259576 2268992 2328048 2410804 2454848 2507787 2552616 2608276 2629968 2665872 2761704 2784672 2845392 2869056 2871693 2958714 2972192 3012768 3065073 3104064 3106917 3157954 3201066 3227688 3343716 3403488 3492072 3506624 3554496 3616206 3682272 3793856 3828924 3912414 3944952 4086764 4142556 4177008 4268088 4303584 4438071 4458288 4519152 4656096 4736931 4801599 4821608 5015574 5105232 5216552 5259936 5331744 5424309 5523408 5569344 5690784 5743386 5868621 5917428 5944384 6025536 6130146 6213834 6315908 6402132 6455376 6687432 6806976 6984144 7232412 7364544 7523361 7657848 7824828 7889904 8173528 8285112 8354016 8536176 8607168 8876142 8916576 9038304 9195219 9312192 9473862 9603198 9643216 10031148 10210464 10433104 10519872 10663488 10848618 11046816 11238601 11381568 11486772 11737242 11834856 12260292 12427668 12631816 12804264 12910752 13374864 13968288 14210793 14464824 15046722 15315696 15649656 15779808 16272927 16347056 16570224 16708032 17072352 17368747 17605863 17752284 17833152 18076608 18390438 18947724 19206396 19286432 20062296 20420928 20866208 21697236 22093632 22477202 22973544 23474484 23669712 24520584 24855336 25263632 25608528 25821504 26749728 27585657 27936576 28421586 28929648 30093444 30631392 31299312 31559616 32545854 32694112 33140448 33715803 34144704 34737494 35211726 35504568 36780876 37895448 38412792 38572864 40124592 41732416 42632379 43394472 44954404 45947088 46948968 47339424 48818781 49041168 49710672 50527264 51217056 52106241 52817589 53499456 55171314 56843172 57859296 60186888 61262784 62598624 65091708 65388224 66280896 67431606 69474988 70423452 71009136 73561752 75790896 76825584 80249184 82756971 85264758 86788944 89908808 91894176 93897936 94678848 97637562 98082336 99421344 101054528 101147409 102434112 104212482 105635178 110342628 113686344 115718592 120373776 125197248 127897137 130183416 134863212 138949976 140846904 142018272 147123504 151581792 153651168 156318723 160498368 165513942 170529516 173577888 179817616 183788352 187795872 191056217 195275124 196164672 198842688 202294818 208424964 211270356 220685256 227372688 240747552 255794274 260366832 269726424 277899952 281693808 284036544 294247008 303163584 303442227 307302336 312637446 331027884 341059032 347155776 359635232 375591744 382112434 390550248 404589636 416849928 422540712 441370512 454745376 468956169 481495104 511588548 520733664 539452848 555799904 563387616 573168651 588494016 606884454 625274892 662055768 682118064 719270464 764224868 781100496 809179272 833699856 845081424 882741024 909490752 910326681 937912338 1023177096 1041467328 1078905696 1111599808 1126775232 1146337302 1213768908 1250549784 1324111536 1364236128 1406868507 1528449736 1562200992 1618358544 1667399712 1690162848 1719505953 1765482048 1820653362 1875824676 2046354192 2157811392 2292674604 2427537816 2501099568 2648223072 2728472256 2813737014 3056899472 3124401984 3236717088 3334799424 3380325696 3439011906 3641306724 3751649352 4092708384 4585349208 4855075632 5002199136 5158517859 5296446144 5627474028 6113798944 6473434176 6878023812 7282613448 7503298704 8185416768 9170698416 9710151264 10004398272 10317035718 11254948056 12227597888 13756047624 14565226896 15006597408 15475553577 18341396832 19420302528 20634071436 22509896112 27512095248 29130453792 30013194816 30951107154 36682793664 41268142872 45019792224 55024190496 58260907584 61902214308 82536285744 90039584448 110048380992 123804428616 165072571488 247608857232 330145142976 495217714464 990435428928
• Sum of all divisors σ(n): 3439439604216
• Sum of proper divisors (its aliquot sum) s(n): 2449004175288
• 990435428928 is an abundant number, because the sum of its proper divisors (2449004175288) is greater than itself. Its abundance is 1458568746360

Bases of 990435428928

• Binary: 1110011010011010100011010100101001000000₂
• Hexadecimal: 0xE69A8D4A40
• Base-36: CMZZOK00

Squares and roots of 990435428928

• 990435428928 squared (990435428928²) is 980962338875791339229184
• 990435428928 cubed (990435428928³) is 971579854866658484384884407935434752
• The square root of 990435428928 is 995206.2243213715
• The cube root of 990435428928 is 9968.0159072717

Scales and comparisons

• 990,435,428,928 seconds is equal to 31,492 years, 40 weeks, 5 days, 28 minutes, 48 seconds.
• To count from 1 to 990,435,428,928 would take you about sixty-two thousand, nine hundred eighty-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 990435428928 cubic inches would be around 830.7 feet tall.

Recreational maths with 990435428928

• 990435428928 backwards is 829824534099
• The number of decimal digits it has is: 12
• The sum of 990435428928's digits is 63
• More coming soon!