90978091008

Names of 90978091008

• Cardinal: 90978091008 can be written as Ninety billion, nine hundred seventy-eight million, ninety-one thousand and eight.

Scientific notation

• Scientific notation: 9.0978091008 × 10¹⁰

Factors of 90978091008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 185

Divisors of 90978091008

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 47 48 56 58 64 84 87 94 96 97 112 116 128 141 168 174 188 192 194 203 224 232 256 282 291 329 336 348 376 384 388 406 448 464 512 564 582 609 658 672 679 696 752 768 776 812 896 928 987 1024 1128 1164 1218 1316 1344 1358 1363 1392 1504 1536 1552 1624 1792 1856 1974 2037 2048 2256 2328 2436 2632 2688 2716 2726 2784 2813 3008 3072 3104 3248 3584 3712 3948 4074 4089 4096 4512 4559 4656 4872 5264 5376 5432 5452 5568 5626 6016 6144 6208 6496 7168 7424 7896 8148 8178 8192 8439 9024 9118 9312 9541 9744 10528 10752 10864 10904 11136 11252 12032 12288 12416 12992 13677 14336 14848 15792 16296 16356 16384 16878 18048 18236 18624 19082 19488 19691 21056 21504 21728 21808 22272 22504 24064 24576 24832 25984 27354 28623 28672 29696 31584 31913 32592 32712 32768 33756 36096 36472 37248 38164 38976 39382 42112 43008 43456 43616 44544 45008 48128 49152 49664 51968 54708 57246 57344 59073 59392 63168 63826 65184 65424 67512 72192 72944 74496 76328 77952 78764 84224 86016 86912 87232 89088 90016 95739 96256 98304 99328 103936 109416 114492 114688 118146 118784 126336 127652 130368 130848 132211 135024 144384 145888 148992 152656 155904 157528 168448 172032 173824 174464 178176 180032 191478 192512 198656 207872 218832 228984 229376 236292 237568 252672 255304 260736 261696 264422 270048 288768 291776 297984 305312 311808 315056 336896 344064 347648 348928 356352 360064 382956 385024 396633 397312 415744 437664 457968 472584 475136 505344 510608 521472 523392 528844 540096 577536 583552 595968 610624 623616 630112 673792 688128 695296 697856 712704 720128 765912 770048 793266 794624 831488 875328 915936 925477 945168 950272 1010688 1021216 1042944 1046784 1057688 1080192 1155072 1167104 1191936 1221248 1247232 1260224 1347584 1390592 1395712 1425408 1440256 1531824 1540096 1586532 1589248 1662976 1750656 1831872 1850954 1890336 2021376 2042432 2085888 2093568 2115376 2160384 2310144 2334208 2383872 2442496 2494464 2520448 2695168 2776431 2781184 2791424 2850816 2880512 3063648 3173064 3178496 3325952 3501312 3663744 3701908 3780672 4042752 4084864 4171776 4187136 4230752 4320768 4620288 4668416 4767744 4884992 4988928 5040896 5390336 5552862 5562368 5582848 5761024 6127296 6346128 6651904 7002624 7327488 7403816 7561344 8085504 8169728 8343552 8374272 8461504 8641536 9336832 9535488 9769984 9977856 10081792 10780672 11105724 11124736 11165696 11522048 12254592 12692256 14005248 14654976 14807632 15122688 16171008 16339456 16687104 16748544 16923008 17283072 18673664 19539968 19955712 20163584 22211448 22249472 22331392 23044096 24509184 25384512 28010496 29309952 29615264 30245376 32342016 32678912 33374208 33497088 33846016 34566144 37347328 39079936 40327168 44422896 44662784 46088192 49018368 50769024 56020992 58619904 59230528 60490752 65357824 66748416 66994176 67692032 69132288 74694656 78159872 80654336 88845792 92176384 98036736 101538048 112041984 117239808 118461056 120981504 130715648 133988352 135384064 138264576 149389312 156319744 161308672 177691584 196073472 203076096 224083968 234479616 236922112 241963008 261431296 270768128 276529152 312639488 322617344 355383168 392146944 406152192 448167936 468959232 473844224 483926016 522862592 541536256 645234688 710766336 784293888 812304384 937918464 947688448 967852032 1045725184 1083072512 1421532672 1568587776 1624608768 1895376896 1935704064 2166145024 2843065344 3137175552 3249217536 3790753792 4332290048 5686130688 6498435072 7581507584 11372261376 12996870144 15163015168 22744522752 30326030336 45489045504 90978091008
• Sum of all divisors σ(n): 295945574400
• Sum of proper divisors (its aliquot sum) s(n): 204967483392
• 90978091008 is an abundant number, because the sum of its proper divisors (204967483392) is greater than itself. Its abundance is 113989392384

Bases of 90978091008

• Binary: 1010100101110101101111000000000000000₂
• Hexadecimal: 0x152EB78000
• Base-36: 15SM08AO

Squares and roots of 90978091008

• 90978091008 squared (90978091008²) is 8277013043459930456064
• 90978091008 cubed (90978091008³) is 753026845942300612233141537472512
• The square root of 90978091008 is 301625.7465933569
• The cube root of 90978091008 is 4497.5804442763

Scales and comparisons

• 90,978,091,008 seconds is equal to 2,892 years, 42 weeks, 5 days, 3 hours, 56 minutes, 48 seconds.
• To count from 1 to 90,978,091,008 would take you about five thousand, seven 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 90978091008 cubic inches would be around 374.8 feet tall.

Recreational maths with 90978091008

• 90978091008 backwards is 80019087909
• The number of decimal digits it has is: 11
• The sum of 90978091008's digits is 51
• More coming soon!