72238772928

Names of 72238772928

• Cardinal: 72238772928 can be written as Seventy-two billion, two hundred thirty-eight million, seven hundred seventy-two thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2238772928 × 10¹⁰

Factors of 72238772928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 192

Divisors of 72238772928

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 49 51 56 64 68 84 96 98 102 112 119 136 147 163 168 192 196 204 224 238 272 289 294 326 336 357 392 408 448 476 489 544 578 588 652 672 714 784 816 833 867 952 978 1088 1141 1156 1176 1304 1344 1428 1568 1632 1666 1734 1904 1956 2023 2282 2312 2352 2499 2608 2771 2856 3136 3264 3332 3423 3468 3808 3912 4046 4564 4624 4704 4998 5216 5542 5712 6069 6664 6846 6936 7616 7824 7987 8092 8313 9128 9248 9408 9996 10432 11084 11424 12138 13328 13692 13872 14161 15648 15974 16184 16626 18256 18496 19397 19992 22168 22848 23961 24276 26569 26656 27384 27744 28322 31296 31948 32368 33252 36512 38794 39984 42483 44336 47107 47922 48552 53138 53312 54768 55488 56644 58191 63896 64736 66504 73024 77588 79707 79968 84966 88672 94214 95844 97104 106276 109536 113288 116382 127792 129472 133008 135779 141321 155176 159414 159936 169932 177344 185983 188428 191688 194208 212552 219072 226576 232764 255584 266016 271558 282642 310352 318828 329749 339864 371966 376856 383376 388416 407337 425104 451673 453152 465528 511168 532032 543116 557949 565284 620704 637656 659498 679728 743932 753712 766752 814674 850208 903346 906304 931056 989247 1086232 1115898 1130568 1241408 1275312 1301881 1318996 1355019 1359456 1487864 1507424 1533504 1629348 1700416 1806692 1862112 1978494 2172464 2231796 2261136 2308243 2550624 2603762 2637992 2710038 2718912 2975728 3014848 3161711 3258696 3613384 3724224 3905643 3956988 4344928 4463592 4522272 4616486 5101248 5207524 5275984 5420076 5951456 6323422 6517392 6924729 7226768 7678441 7811286 7913976 8689856 8927184 9044544 9232972 9485133 10415048 10551968 10840152 11902912 12646844 13034784 13849458 14453536 15356882 15622572 15827952 17854368 18465944 18970266 20830096 21103936 21680304 22131977 23035323 25293688 26069568 27698916 28907072 30713764 31245144 31655904 35708736 36931888 37940532 41660192 43360608 44263954 46070646 50587376 53749087 55397832 61427528 62490288 63311808 66395931 73863776 75881064 83320384 86721216 88527908 92141292 101174752 107498174 110795664 122855056 124980576 132791862 147727552 151762128 161247261 177055816 184282584 202349504 214996348 221591328 245710112 249961152 265583724 303524256 322494522 354111632 368565168 376243609 429992696 443182656 491420224 531167448 607048512 644989044 708223264 737130336 752487218 859985392 1062334896 1128730827 1289978088 1416446528 1474260672 1504974436 1719970784 2124669792 2257461654 2579956176 3009948872 3439941568 4249339584 4514923308 5159912352 6019897744 9029846616 10319824704 12039795488 18059693232 24079590976 36119386464 72238772928
• Sum of all divisors σ(n): 237642789636
• Sum of proper divisors (its aliquot sum) s(n): 165404016708
• 72238772928 is an abundant number, because the sum of its proper divisors (165404016708) is greater than itself. Its abundance is 93165243780

Bases of 72238772928

• Binary: 1000011010001110001000011001011000000₂
• Hexadecimal: 0x10D1C432C0
• Base-36: X6P3LXC

Squares and roots of 72238772928

• 72238772928 squared (72238772928²) is 5218440314143145693184
• 72238772928 cubed (72238772928³) is 376973724891707688617540133322752
• The square root of 72238772928 is 268772.7161153081
• The cube root of 72238772928 is 4164.7613468697

Scales and comparisons

• 72,238,772,928 seconds is equal to 2,296 years, 50 weeks, 2 days, 21 hours, 48 minutes, 48 seconds.
• To count from 1 to 72,238,772,928 would take you about four thousand, five hundred ninety-three 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 72238772928 cubic inches would be around 347.1 feet tall.

Recreational maths with 72238772928

• 72238772928 backwards is 82927783227
• The number of decimal digits it has is: 11
• The sum of 72238772928's digits is 57
• More coming soon!