155378209272

Names of 155378209272

• Cardinal: 155378209272 can be written as One hundred fifty-five billion, three hundred seventy-eight million, two hundred nine thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.55378209272 × 10¹¹

Factors of 155378209272

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 925

Divisors of 155378209272

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 19 22 24 26 33 38 39 44 52 57 66 76 78 88 104 114 121 132 143 152 156 169 209 228 242 247 264 286 312 338 361 363 418 429 456 484 494 507 572 627 676 722 726 741 836 858 877 968 988 1014 1083 1144 1254 1352 1444 1452 1482 1573 1672 1716 1754 1859 1976 2028 2166 2299 2508 2631 2717 2888 2904 2964 3146 3211 3432 3508 3718 3971 4056 4332 4598 4693 4719 5016 5262 5434 5577 5928 6292 6422 6897 7016 7436 7942 8151 8664 9196 9386 9438 9633 9647 10524 10868 11154 11401 11913 12584 12844 13794 14079 14872 15884 16302 16663 18392 18772 18876 19266 19294 20449 21048 21736 22308 22802 23826 25688 27588 28158 28941 29887 31768 32604 33326 34203 35321 37544 37752 38532 38588 40898 43681 44616 45604 47652 49989 51623 55176 56316 57882 59774 61009 61347 65208 66652 68406 70642 77064 77176 81796 87362 89661 91208 95304 99978 103246 105963 106117 112632 115764 119548 122018 122694 125411 131043 133304 136812 141284 148213 154869 163592 174724 179322 183027 183293 199956 206492 211926 212234 216619 231528 239096 244036 245388 250822 262086 273624 282568 296426 309738 316597 318351 349448 358644 366054 366586 376233 388531 399912 412984 423852 424468 433238 444639 488072 490776 501644 524172 549879 567853 592852 619476 633194 636702 649857 671099 717288 732108 733172 752466 777062 847704 848936 866476 889278 949791 1003288 1048344 1099758 1135706 1165593 1185704 1238952 1266388 1273404 1299714 1342198 1379521 1464216 1466344 1504932 1554124 1630343 1703559 1732952 1778556 1899582 2013297 2016223 2199516 2271412 2331186 2382809 2532776 2546808 2599428 2684396 2759042 2816047 3009864 3108248 3260686 3407118 3482567 3557112 3799164 4026594 4032446 4115761 4138563 4399032 4542824 4662372 4765618 4891029 5198856 5368792 5518084 5632094 6048669 6521372 6814236 6965134 7148427 7382089 7598328 8053188 8064892 8231522 8277126 8448141 9324744 9531236 9782058 10447701 11036168 11264188 12097338 12347283 13042744 13628472 13930268 14296854 14764178 16106376 16129784 16463044 16554252 16896282 17933773 19062472 19564116 20895402 22146267 22528376 24194676 24694566 26210899 27860536 28593708 29528356 30976517 32926088 33108504 33792564 35867546 38308237 39128232 41790804 44292534 45273371 48389352 49389132 52421798 53504893 53801319 57187416 59056712 61953034 67585128 71735092 76616474 78632697 83581608 88585068 90546742 92929551 98778264 104843596 107009786 107602638 114924711 123906068 135820113 143470184 153232948 157265394 160514679 177170136 181093484 185859102 209687192 214019572 215205276 229849422 247812136 271640226 306465896 314530788 321029358 340741687 362186968 371718204 428039144 430410552 459698844 498007081 543280452 588553823 629061576 642058716 681483374 743436408 919397688 996014162 1022225061 1086560904 1177107646 1284117432 1362966748 1494021243 1765661469 1992028324 2044450122 2354215292 2725933496 2988042486 3531322938 3984056648 4088900244 4708430584 5976084972 6474092053 7062645876 8177800488 11952169944 12948184106 14125291752 19422276159 25896368212 38844552318 51792736424 77689104636 155378209272
• Sum of all divisors σ(n): 488510016120
• Sum of proper divisors (its aliquot sum) s(n): 333131806848
• 155378209272 is an abundant number, because the sum of its proper divisors (333131806848) is greater than itself. Its abundance is 177753597576

Bases of 155378209272

• Binary: 10010000101101010000110101000111111000₂
• Hexadecimal: 0x242D4351F8
• Base-36: 1ZDO69KO

Squares and roots of 155378209272

• 155378209272 squared (155378209272²) is 24142387916573426769984
• 155378209272 cubed (155378209272³) is 3751201002027149981820740960091648
• The square root of 155378209272 is 394180.4273070899
• The cube root of 155378209272 is 5376.0508840161

Scales and comparisons

• 155,378,209,272 seconds is equal to 4,940 years, 28 weeks, 2 days, 21 hours, 41 minutes, 12 seconds.
• To count from 1 to 155,378,209,272 would take you about nine thousand, eight hundred eighty-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 155378209272 cubic inches would be around 448 feet tall.

Recreational maths with 155378209272

• 155378209272 backwards is 272902873551
• The number of decimal digits it has is: 12
• The sum of 155378209272's digits is 51
• More coming soon!