30997872640
30,997,872,640 is an even composite number composed of five prime numbers multiplied together.
30997872640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 30997872640:
217 × 5 × 7 × 29 × 233
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 29 × 233)See below for interesting mathematical facts about the number 30997872640 from the Numbermatics database.
Names of 30997872640
- Cardinal: 30997872640 can be written as Thirty billion, nine hundred ninety-seven million, eight hundred seventy-two thousand, six hundred forty.
Scientific notation
- Scientific notation: 3.099787264 × 1010
Factors of 30997872640
Divisors of 30997872640
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 29 32 35 40 56 58 64 70 80 112 116 128 140 145 160 203 224 232 233 256 280 290 320 406 448 464 466 512 560 580 640 812 896 928 932 1015 1024 1120 1160 1165 1280 1624 1631 1792 1856 1864 2030 2048 2240 2320 2330 2560 3248 3262 3584 3712 3728 4060 4096 4480 4640 4660 5120 6496 6524 6757 7168 7424 7456 8120 8155 8192 8960 9280 9320 10240 12992 13048 13514 14336 14848 14912 16240 16310 16384 17920 18560 18640 20480 25984 26096 27028 28672 29696 29824 32480 32620 32768 33785 35840 37120 37280 40960 47299 51968 52192 54056 57344 59392 59648 64960 65240 65536 67570 71680 74240 74560 81920 94598 103936 104384 108112 114688 118784 119296 129920 130480 131072 135140 143360 148480 149120 163840 189196 207872 208768 216224 229376 236495 237568 238592 259840 260960 270280 286720 296960 298240 327680 378392 415744 417536 432448 458752 472990 475136 477184 519680 521920 540560 573440 593920 596480 655360 756784 831488 835072 864896 917504 945980 950272 954368 1039360 1043840 1081120 1146880 1187840 1192960 1513568 1662976 1670144 1729792 1891960 1900544 1908736 2078720 2087680 2162240 2293760 2375680 2385920 3027136 3325952 3340288 3459584 3783920 3801088 3817472 4157440 4175360 4324480 4587520 4751360 4771840 6054272 6651904 6680576 6919168 7567840 7634944 8314880 8350720 8648960 9502720 9543680 12108544 13303808 13361152 13838336 15135680 15269888 16629760 16701440 17297920 19005440 19087360 24217088 26607616 26722304 27676672 30271360 30539776 33259520 33402880 34595840 38174720 48434176 53444608 55353344 60542720 66519040 66805760 69191680 76349440 96868352 106889216 110706688 121085440 133038080 133611520 138383360 152698880 193736704 213778432 221413376 242170880 267223040 276766720 387473408 442826752 484341760 534446080 553533440 774946816 885653504 968683520 1068892160 1107066880 1549893632 1937367040 2214133760 3099787264 3874734080 4428267520 6199574528 7749468160 15498936320 30997872640
- Sum of all divisors σ(n): 88331705280
- Sum of proper divisors (its aliquot sum) s(n): 57333832640
- 30997872640 is an abundant number, because the sum of its proper divisors (57333832640) is greater than itself. Its abundance is 26335960000
Bases of 30997872640
- Binary: 111001101111001111000000000000000002
- Hexadecimal: 0x7379E0000
- Base-36: E8NBZLS
Squares and roots of 30997872640
- 30997872640 squared (309978726402) is 960868108205660569600
- 30997872640 cubed (309978726403) is 29784867241996805263530655744000
-
The
square root of 30997872640 is 176062.1272165027 -
The
cube root of 30997872640 is 3141.3087921719
Scales and comparisons
How big is 30997872640?- 30,997,872,640 seconds is equal to 985 years, 33 weeks, 16 hours, 10 minutes, 40 seconds.
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To count from 1 to 30,997,872,640 would take you about one thousand, nine hundred seventy-one 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 30997872640 cubic inches would be around 261.8 feet tall.
Recreational maths with 30997872640
- 30997872640 backwards is 04627879903
- The number of decimal digits it has is: 11
- The sum of 30997872640's digits is 55
- More coming soon!
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